{"id":4477,"date":"2026-03-16T10:24:39","date_gmt":"2026-03-16T02:24:39","guid":{"rendered":"https:\/\/www.pgeneral.com\/?p=4477"},"modified":"2026-03-16T10:24:39","modified_gmt":"2026-03-16T02:24:39","slug":"determination-method-for-ammonia-nitrogen-in-surface-water-salicylate-spectrophotometric-method-2","status":"publish","type":"post","link":"https:\/\/www.pgeneral.com\/fr\/applications\/environment\/determination-method-for-ammonia-nitrogen-in-surface-water-salicylate-spectrophotometric-method-2","title":{"rendered":"M\u00e9thode de d\u00e9termination de l'azote de l'ammoniac dans les eaux de surface (m\u00e9thode spectrophotom\u00e9trique de salicylate)"},"content":{"rendered":"<p>1. Principe de la m\u00e9thode<\/p>\n<p>Dans un milieu alcalin (pH = 11,7) en pr\u00e9sence de nitroferricyanure de sodium, d'ammoniac et d'immonium dans l'eau r\u00e9agit avec des ions salicylate et hypochlorite pour former un compos\u00e9 bleu.<\/p>\n<p>2. Champ d &apos; application<\/p>\n<p>Exigences de la m\u00e9thode d'analyse pour l'azote d'ammoniac dans la qualit\u00e9 de l'eau<\/p>\n<p>3. R\u00e9f\u00e9rences<\/p>\n<p>HJ 536-2009 Qualit\u00e9 de l'eau \u2014 D\u00e9termination de l'azote d'ammoniac<\/p>","protected":false},"excerpt":{"rendered":"<p>1. Method Principle In an alkaline medium (pH = 11.7) in the presence of sodium nitroferricyanide, ammonia and ammonium ions in water react with salicylate and hypochlorite ions to form a blue compound. The absorbance of this compound is measured at 697 nm to quantify the ammonia nitrogen content. 2. Scope of Application Requirements of [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[75],"tags":[],"class_list":["post-4477","post","type-post","status-publish","format-standard","hentry","category-environment"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.pgeneral.com\/fr\/wp-json\/wp\/v2\/posts\/4477","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.pgeneral.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.pgeneral.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.pgeneral.com\/fr\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.pgeneral.com\/fr\/wp-json\/wp\/v2\/comments?post=4477"}],"version-history":[{"count":0,"href":"https:\/\/www.pgeneral.com\/fr\/wp-json\/wp\/v2\/posts\/4477\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.pgeneral.com\/fr\/wp-json\/wp\/v2\/media?parent=4477"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.pgeneral.com\/fr\/wp-json\/wp\/v2\/categories?post=4477"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.pgeneral.com\/fr\/wp-json\/wp\/v2\/tags?post=4477"}],"curies":[{"name":"WP","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}