{"id":43814,"date":"2020-12-17T00:00:00","date_gmt":"2020-12-17T00:00:00","guid":{"rendered":"https:\/\/discover.restek.com\/uncategorized\/colonne-lc-roc\/"},"modified":"2025-12-20T16:48:02","modified_gmt":"2025-12-20T16:48:02","slug":"colonne-lc-roc","status":"publish","type":"post","link":"https:\/\/discover.restek.com\/it\/articoli\/gnss2332-it\/colonne-lc-roc","title":{"rendered":"Colonne LC Roc: Le pietre miliari del tuo laboratorio LC"},"content":{"rendered":"\n<ul class=\"wp-block-list\">\n<li><strong>Colonna HPLC tradizionale creata per essere la pietra miliare del tuo laboratorio, con una pressione idonea a qualsiasi sistema HPLC di 400\u202fbar.<\/strong><\/li>\n\n\n\n<li><strong>Robuste e affidabili: garantiscono picchi stretti, riproducibilit\u00e0, robustezza e prestazioni ottimali.<\/strong><\/li>\n\n\n\n<li><strong>Risultati eccezionali nelle analisi di routine anche con volumi elevati: prodotta con una silice totalmente porosa a purezza elevata e una manifattura di qualit\u00e0 consente un\u2019ampia gamma di fasi per rispondere alla maggior parte dei metodi HPLC.<\/strong><\/li>\n\n\n\n<li><strong>Ideale per una vasta gamma di applicazioni, dall\u2019alimentare ai laboratori farmaceutici: le 5 fasi coprono il 98% dei metodi USP.<\/strong><\/li>\n\n\n\n<li><strong>Packaging ridotto di nuova configurazione per uno stoccaggio compatto: scarica i certificati di\u202fanalisi per il relativo numero di serie dalla pagina&nbsp;<a href=\"https:\/\/www.restek.com\/global\/it\/documentation-search\" target=\"_blank\" rel=\"noreferrer noopener\">restek.com\/documentation<\/a><\/strong><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Famiglia Roc di fasi LC<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>&nbsp;<\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>C18<\/strong><br> <img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"318\" src=\"https:\/\/discover.restek.com\/wp-content\/uploads\/figure-article-GNSS2332B-01.jpg\" alt=\"\" title=\"-\"><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>C8<\/strong><br> <img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"317\" src=\"https:\/\/discover.restek.com\/wp-content\/uploads\/figure-article-GNSS2332B-02.jpg\" alt=\"\" title=\"-\"><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>Fenil-esile<\/strong><br> <img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"317\" src=\"https:\/\/discover.restek.com\/wp-content\/uploads\/figure-article-GNSS2332B-03.jpg\" alt=\"\" title=\"-\"><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong><strong>Ciano<\/strong><\/strong><br> <img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"317\" src=\"https:\/\/discover.restek.com\/wp-content\/uploads\/figure-article-GNSS2332B-04.jpg\" alt=\"\" title=\"-\"><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong><strong>Silice<\/strong><\/strong><br> <img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"317\" src=\"https:\/\/discover.restek.com\/wp-content\/uploads\/figure-article-GNSS2332B-05.jpg\" alt=\"\" title=\"-\"><\/td><\/tr><tr><td><strong><strong>Codice fase USP<\/strong><\/strong><\/td><td class=\"has-text-align-left\" data-align=\"left\">L1<\/td><td>L7<\/td><td>L11<\/td><td>L10<\/td><td>L3<\/td><\/tr><tr><td><strong><strong>Categoria fase stazionaria<\/strong><\/strong><\/td><td class=\"has-text-align-left\" data-align=\"left\">C18, octadecilsilano<\/td><td>C8, octadecilsilano<\/td><td>fenile<\/td><td>ciano<\/td><td>silice nuda<\/td><\/tr><tr><td><strong><strong>Tipo di ligando<\/strong><\/strong><\/td><td class=\"has-text-align-left\" data-align=\"left\">monomerico C18<\/td><td>monomerico C8<\/td><td>fenil-esile<\/td><td>cianopropile<\/td><td>n\/a<\/td><\/tr><tr><td><strong><strong>Dimensione particelle<\/strong><\/strong><\/td><td class=\"has-text-align-left\" data-align=\"left\">3 \u03bcm o 5 \u03bcm, sferica<\/td><td>3 \u03bcm o 5 \u03bcm, sferica<\/td><td>3 \u03bcm o 5 \u03bcm, sferica<\/td><td>3 \u03bcm o 5 \u03bcm, sferica<\/td><td>3 \u03bcm o 5 \u03bcm, sferica<\/td><\/tr><tr><td><strong><strong>Porosit\u00e0<\/strong><\/strong><\/td><td class=\"has-text-align-left\" data-align=\"left\">100 \u00c5<\/td><td>100 \u00c5<\/td><td>100 \u00c5<\/td><td>100 \u00c5<\/td><td>100 \u00c5<\/td><\/tr><tr><td><strong><strong>Area superficiale<\/strong><\/strong><\/td><td class=\"has-text-align-left\" data-align=\"left\">300 m<sup>2<\/sup>\/g<\/td><td>300 m<sup>2<\/sup>\/g<\/td><td>300 m<sup>2<\/sup>\/g<\/td><td>300 m<sup>2<\/sup>\/g<\/td><td>300 m<sup>2<\/sup>\/g<\/td><\/tr><tr><td><strong><strong>Percentuale di carbone<\/strong><\/strong><\/td><td class=\"has-text-align-left\" data-align=\"left\">20%<\/td><td>12%<\/td><td>15%<\/td><td>8%<\/td><td>n\/a<\/td><\/tr><tr><td><strong><strong>End-Cap<\/strong><\/strong><\/td><td class=\"has-text-align-left\" data-align=\"left\">s\u00ec<\/td><td>s\u00ec<\/td><td>s\u00ec<\/td><td>s\u00ec<\/td><td>n\/a<\/td><\/tr><tr><td><strong><strong>Range di pH<\/strong><\/strong><\/td><td class=\"has-text-align-left\" data-align=\"left\">2.5 to 8.0<\/td><td>2.5 to 8.0<\/td><td>2.0 to 8.0<\/td><td>2.5 to 8.0<\/td><td>2.5 to 8.0<\/td><\/tr><tr><td><strong><strong>Temperatura massima<\/strong><\/strong><\/td><td class=\"has-text-align-left\" data-align=\"left\">80 \u00b0C<\/td><td>80 \u00b0C<\/td><td>80 \u00b0C<\/td><td>80 \u00b0C<\/td><td>80 \u00b0C<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n<div class=\"wp-block-custom-chromatogram-article-top\"><div class=\"chromatogram-article-placeholder\"><div class=\"figure-heading\"><strong>Figura 1:<\/strong>\u00a0Dopo oltre 1.000 iniezioni, le colonne HPLC Roc garantiscono ancora prestazioni affidabili a prescindere dalla dimensione richiesta dal metodo.<\/div><div class='chromatogram-article-inner-full'><div class=\"chromatogram-article-inner\">\n<style>.kb-image43814_b33daa-81 .kb-image-has-overlay:after{opacity:0.3;}<\/style>\n<div class=\"wp-block-kadence-image kb-image43814_b33daa-81\"><figure class=\"aligncenter size-medium_large\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"791\" src=\"https:\/\/discover.restek.com\/wp-content\/uploads\/\/figure-article-GNSS2332B-06-768x791.jpg\" alt=\"\" class=\"kb-img wp-image-23054\" title=\"-\" srcset=\"https:\/\/discover.restek.com\/wp-content\/uploads\/figure-article-GNSS2332B-06-768x791.jpg 768w, https:\/\/discover.restek.com\/wp-content\/uploads\/figure-article-GNSS2332B-06-291x300.jpg 291w, https:\/\/discover.restek.com\/wp-content\/uploads\/figure-article-GNSS2332B-06.jpg 900w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><\/figure><\/div>\n\n<\/div><\/div><\/div>\n\n<div class=\"wp-block-custom-chromatogram-article-top\"><div class=\"chromatogram-article-placeholder\"><div class=\"figure-heading\"><strong>Figura 2:<\/strong>\u00a0Aggiungi una precolonna LC Roc per prolungare ulteriormente la durata della tua colonna analitica senza pregiudicare la ritenzione, la\u00a0forma del picco o l\u2019efficienza<\/div><div class='chromatogram-article-inner-full'><div class=\"chromatogram-article-inner\">\n<div class=\"wp-block-custom-chromatogram-article\"><div class=\"wp-block-custom-chromatogram-article\"><div class=\"chromatogram-image regular-image\"><img decoding=\"async\" src=\"https:\/\/ez.restek.com\/images\/cgram\/lc_gn0565.png\" alt=\"Net Chromatographic Effects of Roc C8 with Guard Column\" title=\"-\"><\/div><p class=\"article-id\" style=\"text-align:center\"> LC_GN0565<\/p><div class=\"chromatogram-peaks\"><h4>Peaks<\/h4><table class=\"peaks col-lg-4 col-12\">\n<thead><tr><th><\/th><th style=\"text-align: left;width: 75px\">Peaks<\/th><th style=\"text-align: center;width: 50px\">Conc.<br \/>(mg\/mL)<\/th><\/tr><\/thead>\n<tbody><tr><td class=\"num\">1.<\/td><td class=\"cmpd\"><a class=\"cmpd_link\" title=\"View compound information for Uracil\" href=\"https:\/\/ez.restek.com\/compound\/view\/en\/66-22-8\/Uracil\" target=\"_blank\" rel=\"noopener\">Uracil<\/a><\/td><td class=\"oth\">0.02<\/td><\/tr>\n<tr><td class=\"num\">2.<\/td><td class=\"cmpd\"><a class=\"cmpd_link\" title=\"View compound information for Toluene\" href=\"https:\/\/ez.restek.com\/compound\/view\/en\/108-88-3\/Toluene\" target=\"_blank\" rel=\"noopener\">Toluene<\/a><\/td><td class=\"oth\">3.00<\/td><\/tr>\n<tr><td class=\"num\">3.<\/td><td class=\"cmpd\"><a class=\"cmpd_link\" title=\"View compound information for Naphthalene\" href=\"https:\/\/ez.restek.com\/compound\/view\/en\/91-20-3\/Naphthalene\" target=\"_blank\" rel=\"noopener\">Naphthalene<\/a><\/td><td class=\"oth\">0.50<\/td><\/tr>\n<tr><td class=\"num\">4.<\/td><td class=\"cmpd\"><a class=\"cmpd_link\" title=\"View compound information for Biphenyl\" href=\"https:\/\/ez.restek.com\/compound\/view\/en\/92-52-4\/Biphenyl\" target=\"_blank\" rel=\"noopener\">Biphenyl<\/a><\/td><td class=\"oth\">0.06<\/td><\/tr>\n<\/tbody><\/table><\/div><div class=\"chromatogram-conditions\"><h4>Conditions<\/h4><div class=\"conditions-container container-fluid\"><div class=\"row\"><table class=\"conditions col-lg-6 col-12\"><tr><th class=\"conditions_header\" scope=\"row\">Column<\/th><td>Roc C8  (<a class=\"ga-cgram-prod-link\" target=\"_blank\" href=\"https:\/\/www.restek.com\/p\/9533565\" rel=\"noopener\">cat.# 9533565<\/a>)<\/td><\/tr><tr><th class=\"sub conditions_header\" scope=\"row\">Dimensions:<\/th><td>150 mm x 4.6 mm ID<\/td><\/tr><tr><th class=\"sub conditions_header\" scope=\"row\">Particle Size:<\/th><td>5 \u00b5m<\/td><\/tr><tr><th class=\"sub conditions_header\" scope=\"row\">Pore Size:<\/th><td>100 \u00c5<\/td><\/tr><tr><td><\/td><tr><th class=\"sub conditions_header\" scope=\"row\">Guard Column:<\/th><td>Roc C8 10 mm, 4.0 mm ID, 5 \u00b5m (<a class=\"ga-cgram-prod-link\" target=\"_blank\" href=\"https:\/\/www.restek.com\/p\/953350210\" rel=\"noopener\">cat.# 953350210<\/a>)<\/td><\/tr><tr><th class=\"sub conditions_header\" scope=\"row\">Temp.:<\/th><td>30 \u00b0C<\/td><\/tr><tr class=\"cgram_header_row\"><th class=\"conditions_header\" scope=\"row\">Standard\/Sample<\/th><td>Custom mix<\/td><\/tr>\n<tr><th class=\"sub conditions_header\" scope=\"row\">Diluent:<\/th><td>50:50 Acetonitrile:water<\/td><\/tr><td><\/td><\/tr><tr><th class=\"sub conditions_header\" scope=\"row\">Inj. Vol.:<\/th><td>2 \u00b5L <\/td><\/tr><tr class=\"cgram_header_row\"><th class=\"conditions_header\" scope=\"row\">Mobile Phase<\/th><td><\/td><\/tr><tr><th class=\"sub conditions_header\" scope=\"row\">A:<\/th><td>Water <\/td><\/tr><tr><th class=\"sub conditions_header\" scope=\"row\">B:<\/th><td>Acetonitrile <\/td><\/tr><tr><td><\/td><td><table class=\"cgram_ramp\"><thead><tr><th>Time (min)<\/th><th>Flow (mL\/min)<\/th><th>%A<\/th><th>%B<\/th><\/tr><\/thead><tbody><tr><td>0.00<\/td><td>1.0<\/td><td>30<\/td><td>70<\/td><\/tr><tr><td>8.00<\/td><td>1.0<\/td><td>30<\/td><td>70<\/td><\/tr><\/tbody><\/table><\/td><\/tr><\/table><table class=\"conditions col-lg-6 col-12\"><tr><th class=\"conditions_header\" scope=\"row\">Detector<\/th><td>UV @ 254 nm<\/td><\/tr><tr class=\"cgram_header_row\"><th class=\"conditions_header\" scope=\"row\">Instrument<\/th><td>HPLC<\/td><\/tr><\/table><\/div><\/div><\/div><div class=\"chromatogram-related-skus\"><h4>Related SKUs<\/h4><ul><li>953350210<\/li><li>9533565<\/li><\/ul><\/div><div class=\"chromatogram-pdf-link\"><a href=\"https:\/\/ez.restek.com\/images\/cgram\/lc_gn0565.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"18\" height=\"18\" viewBox=\"0 0 18 18\"><g data-name=\"Group 2996\"><path data-name=\"Rectangle 1246\" d=\"M0 0h18v18H0z\" style=\"fill: none;\"><\/path><\/g><g data-name=\"Group 2997\"><path data-name=\"Path 729\" d=\"M13.412 11.4v2.017H5.345V11.4H4v2.017a1.349 1.349 0 0 0 1.345 1.345h8.068a1.349 1.349 0 0 0 1.345-1.345V11.4zm-.672-2.694-.948-.948-1.741 1.735V4H8.706v5.493L6.965 7.758l-.948.948 3.361 3.361z\" transform=\"translate(-.437 -.414)\" style=\"fill: rgb(13, 123, 196);\"><\/path><\/g><\/svg>Download PDF<\/a><\/div><\/div><\/div>\n<\/div><\/div><\/div>\n\n<div class=\"wp-block-custom-chromatogram-article-top\"><div class=\"chromatogram-article-placeholder\"><div class=\"figure-heading\"><strong>Figura 3:<\/strong>\u00a0Tutte le colonne Roc, a prescindere dal lotto, offrono risultati sempre affidabili.<\/div><div class='chromatogram-article-inner-full'><div class=\"chromatogram-article-inner\">\n\n<p class=\"has-medium-font-size\"><strong><strong>Fase Inversa<\/strong><\/strong><\/p>\n\n\n<div class=\"wp-block-custom-chromatogram-article\"><div class=\"wp-block-custom-chromatogram-article\"><div class=\"chromatogram-image regular-image\"><img decoding=\"async\" src=\"https:\/\/ez.restek.com\/images\/cgram\/lc_gn0562.png\" alt=\"Retention Time Stability for Roc C18\" title=\"-\"><\/div><p class=\"article-id\" style=\"text-align:center\"> LC_GN0562<\/p><div class=\"chromatogram-peaks\"><h4>Peaks<\/h4><table class=\"peaks col-lg-4 col-12\">\n<thead><tr><th><\/th><th style=\"text-align: left;width: 75px\">Peaks<\/th><th style=\"text-align: center;width: 50px\">t<sub>R<\/sub> (min)<\/th><\/tr><\/thead>\n<tbody><tr><td class=\"num\">1.<\/td><td class=\"cmpd\"><a class=\"cmpd_link\" title=\"View compound information for p-Tolunitrile\" href=\"https:\/\/ez.restek.com\/compound\/view\/en\/104-85-8\/p-Tolunitrile\" target=\"_blank\" rel=\"noopener\">p-Tolunitrile<\/a><\/td><td class=\"oth\">3.7<\/td><\/tr>\n<tr><td class=\"num\">2.<\/td><td class=\"cmpd\"><a class=\"cmpd_link\" title=\"View compound information for 4-Butylbenzoic acid\" href=\"https:\/\/ez.restek.com\/compound\/view\/en\/20651-71-2\/4-Butylbenzoic acid\" target=\"_blank\" rel=\"noopener\">4-Butylbenzoic acid<\/a><\/td><td class=\"oth\">5.2<\/td><\/tr>\n<tr><td class=\"num\">3.<\/td><td class=\"cmpd\"><a class=\"cmpd_link\" title=\"View compound information for 3,4-Dimethylanisole\" href=\"https:\/\/ez.restek.com\/compound\/view\/en\/4685-47-6\/3,4-Dimethylanisole\" target=\"_blank\" rel=\"noopener\">3,4-Dimethylanisole<\/a><\/td><td class=\"oth\">7.3<\/td><\/tr>\n<tr><td class=\"num\">4.<\/td><td class=\"cmpd\"><a class=\"cmpd_link\" title=\"View compound information for Mefenamic acid\" href=\"https:\/\/ez.restek.com\/compound\/view\/en\/61-68-7\/Mefenamic acid\" target=\"_blank\" rel=\"noopener\">Mefenamic acid<\/a><\/td><td class=\"oth\">8.1<\/td><\/tr>\n<tr><td class=\"num\">5.<\/td><td class=\"cmpd\"><a class=\"cmpd_link\" title=\"View compound information for p-Xylene\" href=\"https:\/\/ez.restek.com\/compound\/view\/en\/106-42-3\/p-Xylene\" target=\"_blank\" rel=\"noopener\">p-Xylene<\/a><\/td><td class=\"oth\">9.7<\/td><\/tr>\n<\/tbody><\/table><\/div><div class=\"chromatogram-conditions\"><h4>Conditions<\/h4><div class=\"conditions-container container-fluid\"><div class=\"row\"><table class=\"conditions col-lg-6 col-12\"><tr><th class=\"conditions_header\" scope=\"row\">Column<\/th><td>Roc C18  (<a class=\"ga-cgram-prod-link\" target=\"_blank\" href=\"https:\/\/www.restek.com\/p\/9534565\" rel=\"noopener\">cat.# 9534565<\/a>)<\/td><\/tr><tr><th class=\"sub conditions_header\" scope=\"row\">Dimensions:<\/th><td>150 mm x 4.6 mm ID<\/td><\/tr><tr><th class=\"sub conditions_header\" scope=\"row\">Particle Size:<\/th><td>5 \u00b5m<\/td><\/tr><tr><th class=\"sub conditions_header\" scope=\"row\">Pore Size:<\/th><td>100 \u00c5<\/td><\/tr><tr><td><\/td><tr><th class=\"sub conditions_header\" scope=\"row\">Temp.:<\/th><td>35 \u00b0C<\/td><\/tr><tr class=\"cgram_header_row\"><th class=\"conditions_header\" scope=\"row\">Standard\/Sample<\/th><td><\/td><\/tr><td><\/td><\/tr><tr><th class=\"sub conditions_header\" scope=\"row\">Inj. Vol.:<\/th><td>5 \u00b5L <\/td><\/tr><tr class=\"cgram_header_row\"><th class=\"conditions_header\" scope=\"row\">Mobile Phase<\/th><td>0.05% Formic acid in water:0.05% Formic acid in acetonitrile (40:60)<\/td><\/tr><tr><th class=\"sub conditions_header\" scope=\"row\">Flow:<\/th><td>1.0 mL\/min<\/td><\/tr><\/table><table class=\"conditions col-lg-6 col-12\"><tr><th class=\"conditions_header\" scope=\"row\">Detector<\/th><td>UV\/Vis @ 220 nm<\/td><\/tr><tr><th class=\"sub conditions_header\" scope=\"row\">Cell Temp:<\/th><td>35 \u00b0C<\/td><\/tr><tr class=\"cgram_header_row\"><th class=\"conditions_header\" scope=\"row\">Instrument<\/th><td>HPLC<\/td><\/tr><\/table><\/div><\/div><\/div><div class=\"chromatogram-related-skus\"><h4>Related SKUs<\/h4><ul><li>9534565<\/li><\/ul><\/div><div class=\"chromatogram-pdf-link\"><a href=\"https:\/\/ez.restek.com\/images\/cgram\/lc_gn0562.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"18\" height=\"18\" viewBox=\"0 0 18 18\"><g data-name=\"Group 2996\"><path data-name=\"Rectangle 1246\" d=\"M0 0h18v18H0z\" style=\"fill: none;\"><\/path><\/g><g data-name=\"Group 2997\"><path data-name=\"Path 729\" d=\"M13.412 11.4v2.017H5.345V11.4H4v2.017a1.349 1.349 0 0 0 1.345 1.345h8.068a1.349 1.349 0 0 0 1.345-1.345V11.4zm-.672-2.694-.948-.948-1.741 1.735V4H8.706v5.493L6.965 7.758l-.948.948 3.361 3.361z\" transform=\"translate(-.437 -.414)\" style=\"fill: rgb(13, 123, 196);\"><\/path><\/g><\/svg>Download PDF<\/a><\/div><\/div><\/div>\n\n\n<p class=\"has-medium-font-size\"><strong><strong>Fase Normale<\/strong><\/strong><\/p>\n\n\n<div class=\"wp-block-custom-chromatogram-article\"><div class=\"wp-block-custom-chromatogram-article\"><div class=\"chromatogram-image regular-image\"><img decoding=\"async\" src=\"https:\/\/ez.restek.com\/images\/cgram\/lc_gn0563.png\" alt=\"Retention Time Stability for Roc Cyano\" title=\"-\"><\/div><p class=\"article-id\" style=\"text-align:center\"> LC_GN0563<\/p><div class=\"chromatogram-peaks\"><h4>Peaks<\/h4><table class=\"peaks col-lg-4 col-12\">\n<thead><tr><th><\/th><th style=\"text-align: left;width: 75px\">Peaks<\/th><th style=\"text-align: center;width: 50px\">t<sub>R<\/sub> (min)<\/th><\/tr><\/thead>\n<tbody><tr><td class=\"num\">1.<\/td><td class=\"cmpd\"><a class=\"cmpd_link\" title=\"View compound information for Benzene\" href=\"https:\/\/ez.restek.com\/compound\/view\/en\/71-43-2\/Benzene\" target=\"_blank\" rel=\"noopener\">Benzene<\/a><\/td><td class=\"oth\">3.5<\/td><\/tr>\n<tr><td class=\"num\">2.<\/td><td class=\"cmpd\"><a class=\"cmpd_link\" title=\"View compound information for Nitrobenzene\" href=\"https:\/\/ez.restek.com\/compound\/view\/en\/98-95-3\/Nitrobenzene\" target=\"_blank\" rel=\"noopener\">Nitrobenzene<\/a><\/td><td class=\"oth\">4.1<\/td><\/tr>\n<tr><td class=\"num\">3.<\/td><td class=\"cmpd\"><a class=\"cmpd_link\" title=\"View compound information for 1,3,5-Trinitrobenzene\" href=\"https:\/\/ez.restek.com\/compound\/view\/en\/99-35-4\/1,3,5-Trinitrobenzene\" target=\"_blank\" rel=\"noopener\">1,3,5-Trinitrobenzene<\/a><\/td><td class=\"oth\">5.5<\/td><\/tr>\n<tr><td class=\"num\">4.<\/td><td class=\"cmpd\"><a class=\"cmpd_link\" title=\"View compound information for 2,4-Dinitrotoluene\" href=\"https:\/\/ez.restek.com\/compound\/view\/en\/121-14-2\/2,4-Dinitrotoluene\" target=\"_blank\" rel=\"noopener\">2,4-Dinitrotoluene<\/a><\/td><td class=\"oth\">7.4<\/td><\/tr>\n<\/tbody><\/table><\/div><div class=\"chromatogram-conditions\"><h4>Conditions<\/h4><div class=\"conditions-container container-fluid\"><div class=\"row\"><table class=\"conditions col-lg-6 col-12\"><tr><th class=\"conditions_header\" scope=\"row\">Column<\/th><td>Roc Cyano  (<a class=\"ga-cgram-prod-link\" target=\"_blank\" href=\"https:\/\/www.restek.com\/p\/953631E\" rel=\"noopener\">cat.# 953631E<\/a>)<\/td><\/tr><tr><th class=\"sub conditions_header\" scope=\"row\">Dimensions:<\/th><td>100 mm x 3.0 mm ID<\/td><\/tr><tr><th class=\"sub conditions_header\" scope=\"row\">Particle Size:<\/th><td>3 \u00b5m<\/td><\/tr><tr><th class=\"sub conditions_header\" scope=\"row\">Pore Size:<\/th><td>100 \u00c5<\/td><\/tr><tr><td><\/td><tr><th class=\"sub conditions_header\" scope=\"row\">Temp.:<\/th><td>40 \u00b0C<\/td><\/tr><tr class=\"cgram_header_row\"><th class=\"conditions_header\" scope=\"row\">Standard\/Sample<\/th><td><\/td><\/tr><td><\/td><\/tr><tr><th class=\"sub conditions_header\" scope=\"row\">Inj. Vol.:<\/th><td>1 \u00b5L <\/td><\/tr><tr class=\"cgram_header_row\"><th class=\"conditions_header\" scope=\"row\">Mobile Phase<\/th><td>Water:acetonitrile (80:20)<\/td><\/tr><tr><th class=\"sub conditions_header\" scope=\"row\">Flow:<\/th><td>0.6 mL\/min<\/td><\/tr><\/table><table class=\"conditions col-lg-6 col-12\"><tr><th class=\"conditions_header\" scope=\"row\">Detector<\/th><td>UV\/Vis @ 254 nm<\/td><\/tr><tr><th class=\"sub conditions_header\" scope=\"row\">Cell Temp:<\/th><td>40 \u00b0C<\/td><\/tr><tr class=\"cgram_header_row\"><th class=\"conditions_header\" scope=\"row\">Instrument<\/th><td>HPLC<\/td><\/tr><\/table><\/div><\/div><\/div><div class=\"chromatogram-related-skus\"><h4>Related SKUs<\/h4><ul><li>953631E<\/li><\/ul><\/div><div class=\"chromatogram-pdf-link\"><a href=\"https:\/\/ez.restek.com\/images\/cgram\/lc_gn0563.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"18\" height=\"18\" viewBox=\"0 0 18 18\"><g data-name=\"Group 2996\"><path data-name=\"Rectangle 1246\" d=\"M0 0h18v18H0z\" style=\"fill: none;\"><\/path><\/g><g data-name=\"Group 2997\"><path data-name=\"Path 729\" d=\"M13.412 11.4v2.017H5.345V11.4H4v2.017a1.349 1.349 0 0 0 1.345 1.345h8.068a1.349 1.349 0 0 0 1.345-1.345V11.4zm-.672-2.694-.948-.948-1.741 1.735V4H8.706v5.493L6.965 7.758l-.948.948 3.361 3.361z\" transform=\"translate(-.437 -.414)\" style=\"fill: rgb(13, 123, 196);\"><\/path><\/g><\/svg>Download PDF<\/a><\/div><\/div><\/div>\n<\/div><\/div><\/div>\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Prestazioni pari o addirittura migliori rispetto alle colonne di altri venditori<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Colonne<\/strong><\/td><td><strong>Analita<\/strong><\/td><td><strong>tR<\/strong><\/td><td><strong>Area<\/strong><\/td><td><strong>Altezza<\/strong><\/td><td><strong>Scodamento USP<\/strong><\/td><td><strong>Asimmetria<\/strong><br><strong>(10%)<\/strong><\/td><td><strong>k&#8217;<\/strong><\/td><td><strong>Numero di piatti<\/strong><\/td><td><strong>Risoluzione<\/strong><\/td><\/tr><tr><td rowspan=\"2\"><strong>Roc<\/strong><\/td><td>Ethylparaben<\/td><td>3.252<\/td><td>1,407,609<\/td><td>281,358<\/td><td>1.176<\/td><td>1.148<\/td><td>1.182<\/td><td>9,738<\/td><td rowspan=\"2\">12.5<\/td><\/tr><tr><td>Ethinyl Estradiol<\/td><td>5.410<\/td><td>1,869,684<\/td><td>234,346<\/td><td>1.075<\/td><td>1.064<\/td><td>2.631<\/td><td>10,264<\/td><\/tr><tr><td rowspan=\"2\"><strong>Venditore A<\/strong><\/td><td>Ethylparaben<\/td><td>3.060<\/td><td>1,424,621<\/td><td>215,698<\/td><td>1.907<\/td><td>1.608<\/td><td>1.013<\/td><td>6,732<\/td><td rowspan=\"2\">10.1<\/td><\/tr><tr><td>Ethinyl Estradiol<\/td><td>4.889<\/td><td>1,860,659<\/td><td>223,879<\/td><td>1.311<\/td><td>1.217<\/td><td>2.217<\/td><td>8,575<\/td><\/tr><tr><td rowspan=\"2\"><strong>Venditore B<\/strong><\/td><td>Ethylparaben<\/td><td>2.873<\/td><td>1,426,068<\/td><td>319,850<\/td><td>1.143<\/td><td>1.124<\/td><td>0.866<\/td><td>9,706<\/td><td rowspan=\"2\">9.9<\/td><\/tr><tr><td>Ethinyl Estradiol<\/td><td>4.307<\/td><td>1,867,049<\/td><td>287,414<\/td><td>1.064<\/td><td>1.057<\/td><td>1.797<\/td><td>10,031<\/td><\/tr><tr><td rowspan=\"2\"><strong>Venditore C<\/strong><\/td><td>Ethylparaben<\/td><td>2.763<\/td><td>1,413,099<\/td><td>315,080<\/td><td>1.262<\/td><td>1.217<\/td><td>0.932<\/td><td>8,643<\/td><td rowspan=\"2\">11.9<\/td><\/tr><tr><td>Ethinyl Estradiol<\/td><td>4.580<\/td><td>1,868,724<\/td><td>270,662<\/td><td>1.143<\/td><td>1.122<\/td><td>2.203<\/td><td>9,700<\/td><\/tr><tr><td rowspan=\"2\"><strong>Venditore D<\/strong><\/td><td>Ethylparaben<\/td><td>3.157<\/td><td>2,939,187<\/td><td>357,541<\/td><td>1.159<\/td><td>0.965<\/td><td>1.084<\/td><td>4,478<\/td><td rowspan=\"2\">12.2<\/td><\/tr><tr><td>Ethinyl Estradiol<\/td><td>5.816<\/td><td>1,771,785<\/td><td>182,056<\/td><td>1.301<\/td><td>1.232<\/td><td>2.839<\/td><td>8,954<\/td><\/tr><tr><td rowspan=\"2\"><strong>Venditore E<\/strong><\/td><td>Ethylparaben<\/td><td>3.873<\/td><td>1,498,446<\/td><td>244,642<\/td><td>1.172<\/td><td>1.134<\/td><td>1.221<\/td><td>9,348<\/td><td rowspan=\"2\">13.7<\/td><\/tr><tr><td>Ethinyl Estradiol<\/td><td>6.839<\/td><td>1,781,453<\/td><td>174,955<\/td><td>1.080<\/td><td>1.063<\/td><td>2.921<\/td><td>9,963<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<div class=\"wp-block-custom-chromatogram-article-top\"><div class=\"chromatogram-article-placeholder\"><div class=\"figure-heading\"><strong>Figura 4:<\/strong>\u00a0Se vuoi avere delle prestazioni cromatografiche eccezionali affidati alle colonne LC Roc di Restek.<\/div><div class='chromatogram-article-inner-full'><div class=\"chromatogram-article-inner\">\n\n<p class=\"has-medium-font-size\"><strong><strong>Colonna LC Roc<\/strong><\/strong><\/p>\n\n\n<div class=\"wp-block-custom-chromatogram-article\"><div class=\"wp-block-custom-chromatogram-article\"><div class=\"chromatogram-image wide-image\"><img decoding=\"async\" src=\"https:\/\/ez.restek.com\/images\/cgram\/lc_ex0518.png\" alt=\"Ethinyl Estradiol on Roc C18 - USP Method\" title=\"-\"><\/div><p class=\"article-id\" style=\"text-align:center\"> LC_EX0518<\/p><div class=\"chromatogram-peaks\"><h4>Peaks<\/h4><table class=\"peaks col-lg-6 col-12\">\n<thead><tr><th><\/th><th style=\"text-align: left;width: 75px\">Peaks<\/th><th style=\"text-align: center;width: 75px\">t<sub>R<\/sub> (min)<\/th><th style=\"text-align: center;width: 75px\">Conc.<br \/>(\u00b5g\/mL)<\/th><\/tr><\/thead>\n<tbody><tr><td class=\"num\">1.<\/td><td class=\"cmpd\"><a class=\"cmpd_link\" title=\"View compound information for Ethylparaben\" href=\"https:\/\/ez.restek.com\/compound\/view\/en\/120-47-8\/Ethylparaben\" target=\"_blank\" rel=\"noopener\">Ethylparaben<\/a><\/td><td class=\"oth\">3.252<\/td><td class=\"oth\">50<\/td><\/tr>\n<tr><td class=\"num\">2.<\/td><td class=\"cmpd\"><a class=\"cmpd_link\" title=\"View compound information for Ethinyl estradiol\" href=\"https:\/\/ez.restek.com\/compound\/view\/en\/57-63-6\/Ethinyl estradiol\" target=\"_blank\" rel=\"noopener\">Ethinyl estradiol<\/a><\/td><td class=\"oth\">5.410<\/td><td class=\"oth\">200<\/td><\/tr>\n<\/tbody><\/table><\/div><div class=\"chromatogram-related-skus\"><h4>Related SKUs<\/h4><ul><li>9534565<\/li><\/ul><\/div><div class=\"chromatogram-related-searches\"><h4>Related Searches<\/h4><ul><li>Roc<\/li><li>ethinyl estradiol<\/li><\/ul><\/div><div class=\"chromatogram-pdf-link\"><a href=\"https:\/\/ez.restek.com\/images\/cgram\/lc_ex0518.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"18\" height=\"18\" viewBox=\"0 0 18 18\"><g data-name=\"Group 2996\"><path data-name=\"Rectangle 1246\" d=\"M0 0h18v18H0z\" style=\"fill: none;\"><\/path><\/g><g data-name=\"Group 2997\"><path data-name=\"Path 729\" d=\"M13.412 11.4v2.017H5.345V11.4H4v2.017a1.349 1.349 0 0 0 1.345 1.345h8.068a1.349 1.349 0 0 0 1.345-1.345V11.4zm-.672-2.694-.948-.948-1.741 1.735V4H8.706v5.493L6.965 7.758l-.948.948 3.361 3.361z\" transform=\"translate(-.437 -.414)\" style=\"fill: rgb(13, 123, 196);\"><\/path><\/g><\/svg>Download PDF<\/a><\/div><\/div><\/div>\n\n\n<p class=\"has-medium-font-size\"><strong><strong>Venditore <\/strong><\/strong>A<\/p>\n\n\n<div class=\"wp-block-custom-chromatogram-article\"><div class=\"wp-block-custom-chromatogram-article\"><div class=\"chromatogram-image wide-image\"><img decoding=\"async\" src=\"https:\/\/ez.restek.com\/images\/cgram\/lc_ex0521.png\" alt=\"Ethinyl Estradiol on Vendor A C18 - USP Method\" title=\"-\"><\/div><p class=\"article-id\" style=\"text-align:center\"> LC_EX0521<\/p><div class=\"chromatogram-peaks\"><h4>Peaks<\/h4><table class=\"peaks col-lg-6 col-12\">\n<thead><tr><th><\/th><th style=\"text-align: left;width: 75px\">Peaks<\/th><th style=\"text-align: center;width: 75px\">t<sub>R<\/sub> (min)<\/th><th style=\"text-align: center;width: 75px\">Conc.<br \/>(\u00b5g\/mL)<\/th><\/tr><\/thead>\n<tbody><tr><td class=\"num\">1.<\/td><td class=\"cmpd\"><a class=\"cmpd_link\" title=\"View compound information for Ethylparaben\" href=\"https:\/\/ez.restek.com\/compound\/view\/en\/120-47-8\/Ethylparaben\" target=\"_blank\" rel=\"noopener\">Ethylparaben<\/a><\/td><td class=\"oth\">3.060<\/td><td class=\"oth\">50<\/td><\/tr>\n<tr><td class=\"num\">2.<\/td><td class=\"cmpd\"><a class=\"cmpd_link\" title=\"View compound information for Ethinyl estradiol\" href=\"https:\/\/ez.restek.com\/compound\/view\/en\/57-63-6\/Ethinyl estradiol\" target=\"_blank\" rel=\"noopener\">Ethinyl estradiol<\/a><\/td><td class=\"oth\">4.889<\/td><td class=\"oth\">200<\/td><\/tr>\n<\/tbody><\/table><\/div><div class=\"chromatogram-pdf-link\"><a href=\"https:\/\/ez.restek.com\/images\/cgram\/lc_ex0521.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"18\" height=\"18\" viewBox=\"0 0 18 18\"><g data-name=\"Group 2996\"><path data-name=\"Rectangle 1246\" d=\"M0 0h18v18H0z\" style=\"fill: none;\"><\/path><\/g><g data-name=\"Group 2997\"><path data-name=\"Path 729\" d=\"M13.412 11.4v2.017H5.345V11.4H4v2.017a1.349 1.349 0 0 0 1.345 1.345h8.068a1.349 1.349 0 0 0 1.345-1.345V11.4zm-.672-2.694-.948-.948-1.741 1.735V4H8.706v5.493L6.965 7.758l-.948.948 3.361 3.361z\" transform=\"translate(-.437 -.414)\" style=\"fill: rgb(13, 123, 196);\"><\/path><\/g><\/svg>Download PDF<\/a><\/div><\/div><\/div>\n\n\n<p class=\"has-medium-font-size\"><strong><strong><strong>Venditore B<\/strong><\/strong><\/strong><\/p>\n\n\n<div class=\"wp-block-custom-chromatogram-article\"><div class=\"wp-block-custom-chromatogram-article\"><div class=\"chromatogram-image wide-image\"><img decoding=\"async\" src=\"https:\/\/ez.restek.com\/images\/cgram\/lc_ex0520.png\" alt=\"Ethinyl Estradiol on Vendor B C18 - USP Method\" title=\"-\"><\/div><p class=\"article-id\" style=\"text-align:center\"> LC_EX0520<\/p><div class=\"chromatogram-peaks\"><h4>Peaks<\/h4><table class=\"peaks col-lg-6 col-12\">\n<thead><tr><th><\/th><th style=\"text-align: left;width: 75px\">Peaks<\/th><th style=\"text-align: center;width: 75px\">t<sub>R<\/sub> (min)<\/th><th style=\"text-align: center;width: 75px\">Conc.<br \/>(\u00b5g\/mL)<\/th><\/tr><\/thead>\n<tbody><tr><td class=\"num\">1.<\/td><td class=\"cmpd\"><a class=\"cmpd_link\" title=\"View compound information for Ethylparaben\" href=\"https:\/\/ez.restek.com\/compound\/view\/en\/120-47-8\/Ethylparaben\" target=\"_blank\" rel=\"noopener\">Ethylparaben<\/a><\/td><td class=\"oth\">2.873<\/td><td class=\"oth\">50<\/td><\/tr>\n<tr><td class=\"num\">2.<\/td><td class=\"cmpd\"><a class=\"cmpd_link\" title=\"View compound information for Ethinyl estradiol\" href=\"https:\/\/ez.restek.com\/compound\/view\/en\/57-63-6\/Ethinyl estradiol\" target=\"_blank\" rel=\"noopener\">Ethinyl estradiol<\/a><\/td><td class=\"oth\">4.307<\/td><td class=\"oth\">200<\/td><\/tr>\n<\/tbody><\/table><\/div><div class=\"chromatogram-pdf-link\"><a href=\"https:\/\/ez.restek.com\/images\/cgram\/lc_ex0520.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"18\" height=\"18\" viewBox=\"0 0 18 18\"><g data-name=\"Group 2996\"><path data-name=\"Rectangle 1246\" d=\"M0 0h18v18H0z\" style=\"fill: none;\"><\/path><\/g><g data-name=\"Group 2997\"><path data-name=\"Path 729\" d=\"M13.412 11.4v2.017H5.345V11.4H4v2.017a1.349 1.349 0 0 0 1.345 1.345h8.068a1.349 1.349 0 0 0 1.345-1.345V11.4zm-.672-2.694-.948-.948-1.741 1.735V4H8.706v5.493L6.965 7.758l-.948.948 3.361 3.361z\" transform=\"translate(-.437 -.414)\" style=\"fill: rgb(13, 123, 196);\"><\/path><\/g><\/svg>Download PDF<\/a><\/div><\/div><\/div>\n\n\n<p class=\"has-medium-font-size\"><strong><strong>Venditore <\/strong><\/strong>C<\/p>\n\n\n<div class=\"wp-block-custom-chromatogram-article\"><div class=\"wp-block-custom-chromatogram-article\"><div class=\"chromatogram-image wide-image\"><img decoding=\"async\" src=\"https:\/\/ez.restek.com\/images\/cgram\/lc_ex0519.png\" alt=\"Ethinyl Estradiol on Vendor C C18 - USP Method\" title=\"-\"><\/div><p class=\"article-id\" style=\"text-align:center\"> LC_EX0519<\/p><div class=\"chromatogram-peaks\"><h4>Peaks<\/h4><table class=\"peaks col-lg-6 col-12\">\n<thead><tr><th><\/th><th style=\"text-align: left;width: 75px\">Peaks<\/th><th style=\"text-align: center;width: 75px\">t<sub>R<\/sub> (min)<\/th><th style=\"text-align: center;width: 75px\">Conc.<br \/>(\u00b5g\/mL)<\/th><\/tr><\/thead>\n<tbody><tr><td class=\"num\">1.<\/td><td class=\"cmpd\"><a class=\"cmpd_link\" title=\"View compound information for Ethylparaben\" href=\"https:\/\/ez.restek.com\/compound\/view\/en\/120-47-8\/Ethylparaben\" target=\"_blank\" rel=\"noopener\">Ethylparaben<\/a><\/td><td class=\"oth\">2.763<\/td><td class=\"oth\">50<\/td><\/tr>\n<tr><td class=\"num\">2.<\/td><td class=\"cmpd\"><a class=\"cmpd_link\" title=\"View compound information for Ethinyl estradiol\" href=\"https:\/\/ez.restek.com\/compound\/view\/en\/57-63-6\/Ethinyl estradiol\" target=\"_blank\" rel=\"noopener\">Ethinyl estradiol<\/a><\/td><td class=\"oth\">4.580<\/td><td class=\"oth\">200<\/td><\/tr>\n<\/tbody><\/table><\/div><div class=\"chromatogram-pdf-link\"><a href=\"https:\/\/ez.restek.com\/images\/cgram\/lc_ex0519.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"18\" height=\"18\" viewBox=\"0 0 18 18\"><g data-name=\"Group 2996\"><path data-name=\"Rectangle 1246\" d=\"M0 0h18v18H0z\" style=\"fill: none;\"><\/path><\/g><g data-name=\"Group 2997\"><path data-name=\"Path 729\" d=\"M13.412 11.4v2.017H5.345V11.4H4v2.017a1.349 1.349 0 0 0 1.345 1.345h8.068a1.349 1.349 0 0 0 1.345-1.345V11.4zm-.672-2.694-.948-.948-1.741 1.735V4H8.706v5.493L6.965 7.758l-.948.948 3.361 3.361z\" transform=\"translate(-.437 -.414)\" style=\"fill: rgb(13, 123, 196);\"><\/path><\/g><\/svg>Download PDF<\/a><\/div><\/div><\/div>\n\n\n<p class=\"has-medium-font-size\"><strong><strong>Venditore <\/strong><\/strong>D<\/p>\n\n\n<div class=\"wp-block-custom-chromatogram-article\"><div class=\"wp-block-custom-chromatogram-article\"><div class=\"chromatogram-image wide-image\"><img decoding=\"async\" src=\"https:\/\/ez.restek.com\/images\/cgram\/lc_ex0522.png\" alt=\"Ethinyl Estradiol on Vendor D C18 - USP Method\" title=\"-\"><\/div><p class=\"article-id\" style=\"text-align:center\"> LC_EX0522<\/p><div class=\"chromatogram-peaks\"><h4>Peaks<\/h4><table class=\"peaks col-lg-6 col-12\">\n<thead><tr><th><\/th><th style=\"text-align: left;width: 75px\">Peaks<\/th><th style=\"text-align: center;width: 75px\">t<sub>R<\/sub> (min)<\/th><th style=\"text-align: center;width: 75px\">Conc.<br \/>(\u00b5g\/mL)<\/th><\/tr><\/thead>\n<tbody><tr><td class=\"num\">1.<\/td><td class=\"cmpd\"><a class=\"cmpd_link\" title=\"View compound information for Ethylparaben\" href=\"https:\/\/ez.restek.com\/compound\/view\/en\/120-47-8\/Ethylparaben\" target=\"_blank\" rel=\"noopener\">Ethylparaben<\/a><\/td><td class=\"oth\">3.157<\/td><td class=\"oth\">50<\/td><\/tr>\n<tr><td class=\"num\">2.<\/td><td class=\"cmpd\"><a class=\"cmpd_link\" title=\"View compound information for Ethinyl estradiol\" href=\"https:\/\/ez.restek.com\/compound\/view\/en\/57-63-6\/Ethinyl estradiol\" target=\"_blank\" rel=\"noopener\">Ethinyl estradiol<\/a><\/td><td class=\"oth\">5.816<\/td><td class=\"oth\">200<\/td><\/tr>\n<\/tbody><\/table><\/div><div class=\"chromatogram-pdf-link\"><a href=\"https:\/\/ez.restek.com\/images\/cgram\/lc_ex0522.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"18\" height=\"18\" viewBox=\"0 0 18 18\"><g data-name=\"Group 2996\"><path data-name=\"Rectangle 1246\" d=\"M0 0h18v18H0z\" style=\"fill: none;\"><\/path><\/g><g data-name=\"Group 2997\"><path data-name=\"Path 729\" d=\"M13.412 11.4v2.017H5.345V11.4H4v2.017a1.349 1.349 0 0 0 1.345 1.345h8.068a1.349 1.349 0 0 0 1.345-1.345V11.4zm-.672-2.694-.948-.948-1.741 1.735V4H8.706v5.493L6.965 7.758l-.948.948 3.361 3.361z\" transform=\"translate(-.437 -.414)\" style=\"fill: rgb(13, 123, 196);\"><\/path><\/g><\/svg>Download PDF<\/a><\/div><\/div><\/div>\n\n\n<p class=\"has-medium-font-size\"><strong><strong>Venditore <\/strong><\/strong>E<\/p>\n\n\n<div class=\"wp-block-custom-chromatogram-article\"><div class=\"wp-block-custom-chromatogram-article\"><div class=\"chromatogram-image wide-image\"><img decoding=\"async\" src=\"https:\/\/ez.restek.com\/images\/cgram\/lc_ex0523.png\" alt=\"Ethinyl Estradiol on Vendor E C18 - USP Method\" title=\"-\"><\/div><p class=\"article-id\" style=\"text-align:center\"> LC_EX0523<\/p><div class=\"chromatogram-peaks\"><h4>Peaks<\/h4><table class=\"peaks col-lg-6 col-12\">\n<thead><tr><th><\/th><th style=\"text-align: left;width: 75px\">Peaks<\/th><th style=\"text-align: center;width: 75px\">t<sub>R<\/sub> (min)<\/th><th style=\"text-align: center;width: 75px\">Conc.<br \/>(\u00b5g\/mL)<\/th><\/tr><\/thead>\n<tbody><tr><td class=\"num\">1.<\/td><td class=\"cmpd\"><a class=\"cmpd_link\" title=\"View compound information for Ethylparaben\" href=\"https:\/\/ez.restek.com\/compound\/view\/en\/120-47-8\/Ethylparaben\" target=\"_blank\" rel=\"noopener\">Ethylparaben<\/a><\/td><td class=\"oth\">3.873<\/td><td class=\"oth\">50<\/td><\/tr>\n<tr><td class=\"num\">2.<\/td><td class=\"cmpd\"><a class=\"cmpd_link\" title=\"View compound information for Ethinyl estradiol\" href=\"https:\/\/ez.restek.com\/compound\/view\/en\/57-63-6\/Ethinyl estradiol\" target=\"_blank\" rel=\"noopener\">Ethinyl estradiol<\/a><\/td><td class=\"oth\">6.839<\/td><td class=\"oth\">200<\/td><\/tr>\n<\/tbody><\/table><\/div><div class=\"chromatogram-pdf-link\"><a href=\"https:\/\/ez.restek.com\/images\/cgram\/lc_ex0523.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"18\" height=\"18\" viewBox=\"0 0 18 18\"><g data-name=\"Group 2996\"><path data-name=\"Rectangle 1246\" d=\"M0 0h18v18H0z\" style=\"fill: none;\"><\/path><\/g><g data-name=\"Group 2997\"><path data-name=\"Path 729\" d=\"M13.412 11.4v2.017H5.345V11.4H4v2.017a1.349 1.349 0 0 0 1.345 1.345h8.068a1.349 1.349 0 0 0 1.345-1.345V11.4zm-.672-2.694-.948-.948-1.741 1.735V4H8.706v5.493L6.965 7.758l-.948.948 3.361 3.361z\" transform=\"translate(-.437 -.414)\" style=\"fill: rgb(13, 123, 196);\"><\/path><\/g><\/svg>Download PDF<\/a><\/div><\/div><\/div>\n\n\n<p><strong><em>Condizioni cromatografiche per la Tabella I e la Figura 4 (monografia 38 USP, Etinilestradiolo)<\/em><\/strong><br>Tutte le colonne sono a fase stazionaria C18 (5 \u00b5m, 150 x 4,6 mm). Le condizioni sono le seguenti: Fase mobile: acqua:acetonitrile (1:1); Velocit\u00e0 di flusso: 1 mL\/min; Volume di iniezione: 25 \u00b5L; Strumento: HPLC con rilevatore UV, 280 nm; Campione: 200 \u00b5g\/mL etinilestradiolo e 50 \u00b5g\/mL etilparaben in acqua:acetonitrile (1:1).<\/p>\n\n<\/div><\/div><\/div>\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Ottieni il meglio con queste colonne LC affidabili.<\/h3>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Le affidabili colonne LC Roc garantiscono picchi stretti, riproducibilit\u00e0, robustezza e prestazioni ottimali.<\/p>\n","protected":false},"author":11,"featured_media":26570,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","_kadence_starter_templates_imported_post":false,"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"footnotes":""},"categories":[788],"tags":[],"industries-application":[],"post-badge":[],"resource-type":[],"product-library":[2535,2517],"resource-technique":[2334],"ppma_author":[414],"class_list":["post-43814","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-articoli","product-library-colonne-lc","product-library-prodotti-per-cromatografia-liquida","resource-technique-cromatografia-liquida-lc"],"acf":[],"taxonomy_info":{"category":[{"value":788,"label":"Articoli"}],"product-library":[{"value":2535,"label":"Colonne 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