{"id":51700,"date":"2018-09-06T14:30:00","date_gmt":"2018-09-06T14:30:00","guid":{"rendered":"https:\/\/discover.restek.com\/uncategorized\/have-there-been-any-new-applications-developed-for-diquat-and-paraquat\/"},"modified":"2026-02-17T20:04:45","modified_gmt":"2026-02-17T20:04:45","slug":"have-there-been-any-new-applications-developed-for-diquat-and-paraquat","status":"publish","type":"post","link":"https:\/\/discover.restek.com\/it\/blogs-de\/gnbl4687\/have-there-been-any-new-applications-developed-for-diquat-and-paraquat","title":{"rendered":"Have there been any new applications developed for Diquat and Paraquat?"},"content":{"rendered":"\n<p>I am happy to answer \u201cyes\u201d to this question. Those of you who have been doing this analysis might have been using our Ultra Quat column that I talked about in an earlier blog post.<\/p>\n\n\n\n<p>This updated method uses the Raptor HILIC-Si, which is a newer product we are excited to have.<\/p>\n\n\n<div class=\"wp-block-custom-chromatogram-article\"><div class=\"wp-block-custom-chromatogram-article\"><h3 class=\"article-title\">Paraquat and Diquat on Raptor HILIC-Si<\/h3><div class=\"chromatogram-image regular-image\"><img decoding=\"async\" src=\"https:\/\/ez.restek.com\/images\/cgram\/lc_fs0512.png\" alt=\"Paraquat and Diquat on Raptor HILIC-Si\" title=\"-\"><\/div><p class=\"article-id\" style=\"text-align:center\"> LC_FS0512<\/p><div class=\"chromatogram-peaks\"><h4>Peaks<\/h4><table class=\"peaks 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\">Precursor Ion 1<\/th><th style=\"text-align: center;width: 75px\">Product Ion 1<\/th><th style=\"text-align: center;width: 75px\">Precursor Ion 2<\/th><th style=\"text-align: center;width: 75px\">Product Ion 2<\/th><\/tr><\/thead>\n<tbody><tr><td class=\"num\">1.<\/td><td class=\"cmpd\"><a class=\"cmpd_link\" title=\"View compound information for Diquat\" href=\"https:\/\/ez.restek.com\/compound\/view\/en\/6385-62-2\/Diquat\" target=\"_blank\" rel=\"noopener\">Diquat<\/a><\/td><td class=\"oth\">3.25<\/td><td class=\"oth\">183.3<\/td><td class=\"oth\">157.2<\/td><td class=\"oth\">183.3<\/td><td class=\"oth\">130.1<\/td><\/tr>\n<tr><td class=\"num\">2.<\/td><td class=\"cmpd\"><a class=\"cmpd_link\" title=\"View compound information for Paraquat\" href=\"https:\/\/ez.restek.com\/compound\/view\/en\/1910-42-5\/Paraquat\" target=\"_blank\" rel=\"noopener\">Paraquat<\/a><\/td><td class=\"oth\">3.46<\/td><td class=\"oth\">185.3<\/td><td class=\"oth\">170.3<\/td><td class=\"oth\">171.3<\/td><td class=\"oth\">77.2<\/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>Raptor HILIC-Si  (<a target=\"_blank\" href=\"https:\/\/www.restek.com\/p\/9310A52?utm_source=chromatograms&amp;utm_medium=link&amp;utm_campaign=LC_FS0512\" rel=\"noopener\">cat.# 9310A52<\/a>)<\/td><\/tr><tr><th class=\"sub conditions_header\" scope=\"row\">Dimensions:<\/th><td>50 mm x 2.1 mm ID<\/td><\/tr><tr><th class=\"sub conditions_header\" scope=\"row\">Particle Size:<\/th><td>2.7 \u00b5m<\/td><\/tr><tr><th class=\"sub conditions_header\" scope=\"row\">Pore Size:<\/th><td>90 \u00c5<\/td><\/tr><tr><td><\/td><tr><th class=\"sub conditions_header\" scope=\"row\">Temp.:<\/th><td>45 \u00b0C<\/td><\/tr><tr class=\"cgram_header_row\"><th class=\"conditions_header\" scope=\"row\">Standard\/Sample<\/th><td>Paraquat &amp; diquat calibration mix (<a target=\"_blank\" href=\"https:\/\/www.restek.com\/p\/32437?utm_source=chromatograms&amp;utm_medium=link&amp;utm_campaign=LC_FS0512\" rel=\"noopener\">cat.# 32437<\/a>)<\/td><\/tr>\n<tr><th class=\"sub conditions_header\" scope=\"row\">Diluent:<\/th><td>Mobile phase B<\/td><\/tr><tr><th class=\"sub conditions_header\" scope=\"row\">Conc.:<\/th><td>50 ng\/mL<\/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><\/td><\/tr><tr><th class=\"sub conditions_header\" scope=\"row\">A:<\/th><td>Water, 50 mM ammonium formate, 0.5% formic acid <\/td><\/tr><tr><th class=\"sub conditions_header\" scope=\"row\">B:<\/th><td>25:75 Water:acetonitrile, 50 mM ammonium formate, 0.5% formic acid <\/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>0.6<\/td><td>0<\/td><td>100<\/td><\/tr><tr><td>4.00<\/td><td>0.6<\/td><td>35<\/td><td>65<\/td><\/tr><tr><td>4.01<\/td><td>0.6<\/td><td>0<\/td><td>100<\/td><\/tr><tr><td>7.00<\/td><td>0.6<\/td><td>0<\/td><td>100<\/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>MS\/MS<\/td><\/tr><tr><th class=\"sub conditions_header\" scope=\"row\">Ion Mode:<\/th><td>ESI+ <\/td><\/tr><tr><th class=\"sub conditions_header\" scope=\"row\">Mode:<\/th><td>MRM <\/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-pdf-link\"><a href=\"https:\/\/ez.restek.com\/images\/cgram\/lc_fs0512.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>We are pleased with this application, particularly since it does not require any ion pairing agents or chaotropic salts. The mobile phase modifiers are very common ones that most labs will have on hand and extended equilibration times are not needed (as compared to NaPF6 or Heptafluorobutyric acid). The run time is short and sweet.&nbsp; \ud83d\ude42<\/p>\n\n\n\n<p>I hope you find this post helpful and thanks for reading.<\/p>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n        <div class=\"cpb\">\n            <h3 class=\"cpb-heading\">Products Mentioned<\/h3>\n            <hr class=\"cpb-heading-underline\" \/>\n            <div class=\"cpb-list\">\n                                    <div class=\"cpb-item\">\n                        <div class=\"cpb-col cpb-col--left\">\n                            <a class=\"cpb-catalog\" target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.restek.com\/p\/9310A52\">                                Catalog No. 9310A52                            <\/a>                        <\/div>\n                        <div class=\"cpb-col cpb-col--middle\">\n                            <div class=\"cpb-title\">Colonna HPLC Raptor HILIC-Si, 2,7 \u00b5m, 50 x 2,1 mm<\/div>\n                        <\/div>\n                        <div class=\"cpb-col cpb-col--right\">\n                                                            <a class=\"cpb-view-btn\" target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.restek.com\/p\/9310A52\">Esplora Prodotto<\/a>\n                                                    <\/div>\n                    <\/div>\n                                    <div class=\"cpb-item\">\n                        <div class=\"cpb-col cpb-col--left\">\n                            <a class=\"cpb-catalog\" target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.restek.com\/p\/32437\">                                Catalog No. 32437                            <\/a>                        <\/div>\n                        <div class=\"cpb-col cpb-col--middle\">\n                            <div class=\"cpb-title\">Miscela di calibrazione di parquat e diquat, 1000 \u00b5g\/mL, acqua, 1 mL\/ampolla<\/div>\n                        <\/div>\n                        <div class=\"cpb-col cpb-col--right\">\n                                                            <a class=\"cpb-view-btn\" target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.restek.com\/p\/32437\">Esplora Prodotto<\/a>\n                                                    <\/div>\n                    <\/div>\n                            <\/div>\n        <\/div>\n        \n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n","protected":false},"excerpt":{"rendered":"<p>I am happy to answer &ldquo;yes&rdquo; to this question. Those of you who have been doing this analysis might have been using our Ultra Quat column that I talked about in an earlier blog post here, &ldquo;I have an Ultra&#8230;<\/p>\n","protected":false},"author":64,"featured_media":0,"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":[792],"tags":[],"industries-application":[2231,2232,2230,2236,2238,2668,2235],"post-badge":[],"resource-type":[],"product-library":[],"resource-technique":[2355,2326,2328,2363],"hf_cat_post":[623],"ppma_author":[602],"class_list":["post-51700","post","type-post","status-publish","format-standard","hentry","category-blogs-de","industries-application-luftprufung","industries-application-trinkwasser-abwasseruntersuchungen","industries-application-umweltbereich","industries-application-lebensmittel-getranke","industries-application-lebensmittelsicherheit","industries-application-semivolatiles","industries-application-testung-von-boden-sediment-organismen","resource-technique-hilic-de","resource-technique-flussigchromatografie","resource-technique-massenspektrometrie-ms","resource-technique-ms-ms-de"],"acf":[],"taxonomy_info":{"category":[{"value":792,"label":"Blogs"}],"industries-application":[{"value":2231,"label":"Luftpr\u00fcfung"},{"value":2232,"label":"Trinkwasser- und Abwasseruntersuchungen"},{"value":2230,"label":"Umweltbereich"},{"value":2236,"label":"Lebensmittel &amp; 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