{"id":71857,"date":"2025-12-05T20:55:27","date_gmt":"2025-12-05T20:55:27","guid":{"rendered":"https:\/\/discover.restek.com\/?p=71857"},"modified":"2026-04-13T20:15:38","modified_gmt":"2026-04-13T20:15:38","slug":"why-is-adona-referred-to-as-nadona-in-pfas-standards","status":"publish","type":"post","link":"https:\/\/discover.restek.com\/de\/faq-ja\/gnot5433\/why-is-adona-referred-to-as-nadona-in-pfas-standards","title":{"rendered":"Why is ADONA referred to as NaDONA in PFAS standards?"},"content":{"rendered":"\n<p>ADONA is the trade name for ammonium 4,8-dioxa-3H-perfluorononanoate (CAS #: 958445-44-8). The \u201cA\u201d in ADONA nominally refers to the ammonium cation of the complex. The sodium complex was used for the formulation of standards, thus we\u2019ve opted to use the acronym NaDONA instead. Both have identical conjugate acids (CAS #: 919005-14-4).<\/p>\n\n\n\n<p>See our <a href=\"https:\/\/www.restek.com\/pages\/pfas-compound-cross-reference\" data-type=\"link\" data-id=\"https:\/\/www.restek.com\/pages\/pfas-compound-cross-reference\" target=\"_blank\" rel=\"noopener\">PFAS compound cross-reference<\/a> for additional CAS #s of various salts and conjugate acids.<\/p>\n\n\n\n<div class=\"wp-block-group hub-fullwidth-container\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><style>.kadence-column71857_abac5f-1a > .kt-inside-inner-col,.kadence-column71857_abac5f-1a > .kt-inside-inner-col:before{border-top-left-radius:16px;border-top-right-radius:16px;border-bottom-right-radius:16px;border-bottom-left-radius:16px;}.kadence-column71857_abac5f-1a > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column71857_abac5f-1a > .kt-inside-inner-col{flex-direction:column;}.kadence-column71857_abac5f-1a > 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19\"\/><\/svg><\/span><\/a><\/div>\n<\/div><\/div>\n<\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>ADONA is the trade name for ammonium 4,8-dioxa-3H-perfluorononanoate (CAS #: 958445-44-8). The \u201cA\u201d in ADONA nominally refers to the ammonium cation of the complex. The sodium complex was used for the formulation of standards, thus we\u2019ve opted to use the acronym NaDONA instead. Both have identical conjugate acids (CAS #: 919005-14-4). See our PFAS compound&#8230;<\/p>\n","protected":false},"author":11,"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":[804],"tags":[2674,2721,2782],"industries-application":[2288],"post-badge":[],"resource-type":[],"product-library":[],"resource-technique":[],"hf_cat_post":[],"ppma_author":[414],"class_list":["post-71857","post","type-post","status-publish","format-standard","hentry","category-faq-ja","tag-faq-pfas-standards","tag-frequently-asked-questions-reference-standards-japan","tag-pfas","industries-application-pfas-testing-ja"],"acf":[],"taxonomy_info":{"category":[{"value":804,"label":"FAQ"}],"post_tag":[{"value":2674,"label":"FAQ: 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