{"id":604088,"date":"2024-11-05T22:22:11","date_gmt":"2024-11-05T22:22:11","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/iso-206202021\/"},"modified":"2024-11-05T22:22:11","modified_gmt":"2024-11-05T22:22:11","slug":"iso-206202021","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/iso\/iso-206202021\/","title":{"rendered":"ISO 20620:2021"},"content":{"rendered":"<\/p>\n<p>This document specifies a method for the determination of total nitrogen content in all nitrogen containing fertilizers by combustion method.<\/p>\n<p>NOTE\u00a01\u00a0\u00a0 The presence of non-nutritive sources of nitrogen (e.g. chelating agents) causes positive bias to samples being analysed for nutritive nitrogen content. The non-nutritive nitrogen content is subtracted from the total nitrogen value to determine the nutritive nitrogen content.<\/p>\n<p>NOTE\u00a02\u00a0\u00a0 Common internationally traded fertilizers were evaluated for total nitrogen by combustion analysis in the ring-study in this document. While the fertilizers analysed in this international ring study were mineral fertilizers, previous studies have shown that total nitrogen by combustion is suitable for use with many non-mineral, nitrogen-containing fertilizers.<\/p><\/p>\n","protected":false},"excerpt":{"rendered":"<p><b>Fertilizers and soil conditioners &#8211; Determination of total nitrogen by combustion<\/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>2021-09<\/td>\n<td>10<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":604101,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[939,2634],"product_tag":[],"class_list":{"0":"post-604088","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-65-080","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\/604088","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\/604101"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=604088"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=604088"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=604088"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}