{"id":629046,"date":"2024-11-06T00:21:49","date_gmt":"2024-11-06T00:21:49","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/iso-9141977\/"},"modified":"2024-11-06T00:21:49","modified_gmt":"2024-11-06T00:21:49","slug":"iso-9141977","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/iso\/iso-9141977\/","title":{"rendered":"ISO 914:1977"},"content":{"rendered":"<p>The method is applicable to products having a total nitrogen content equal to or greater than 0.05 % (m\/m). The principle consists in the conversion of the nitrogen present in a test portion to ammonia by means of nascent hydrogen. Distillation and absorption of the ammonia in an excess of standard volumetric sulphuric acid solution, and back-titration with a standard volumetric sodium hydroxide solution in the presence of an indicator. &#8211; Replaces ISO Recommendation R 914-1968.<\/p>\n","protected":false},"excerpt":{"rendered":"<p><b>Sulphuric acid and oleum for industrial use \u2014 Determination of total nitrogen content \u2014 Titrimetric method after distillation<\/b><\/p>\n<table style=\"width: 100%\" border=\"0\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td>Published By<\/td>\n<td>Publication Date<\/td>\n<td>Number of Pages<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/pdfstandards.shop\/product-category\/publishers\/iso\/\"><b>ISO<\/b><\/a><\/td>\n<td>1977-11<\/td>\n<td>6<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":629061,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[1007,2634],"product_tag":[],"class_list":{"0":"post-629046","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-71-060-30","7":"product_cat-iso","9":"first","10":"instock","11":"sold-individually","12":"shipping-taxable","13":"purchasable","14":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/629046","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/629061"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=629046"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=629046"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=629046"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}