{"id":605505,"date":"2024-11-05T22:28:30","date_gmt":"2024-11-05T22:28:30","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/iso-214462019\/"},"modified":"2024-11-05T22:28:30","modified_gmt":"2024-11-05T22:28:30","slug":"iso-214462019","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/iso\/iso-214462019\/","title":{"rendered":"ISO 21446:2019"},"content":{"rendered":"<p>This document specifies a method for the quantitative determination of <i>trans<\/i> and total (<i>cis<\/i> + <i>trans<\/i>) vitamin K<sub>1<\/sub> in infant, pediatric and adult nutritionals using normal phase (NP) high-performance liquid chromatography (HPLC) with post-column reduction and fluorescence detection. The method demonstrated good linearity over a standard range of ~2 \u00b5g\/l to 80 \u00b5g\/l <i>trans<\/i> vitamin K<sub>1<\/sub>, and the limit of quantification (LOQ) was estimated to be 0,4 \u00b5g\/l for standards and 0,09 \u00b5g\/100 g ready to feed (RTF) for samples assuming 4 grams of sample are diluted to 10 ml.<\/p>\n","protected":false},"excerpt":{"rendered":"<p><b>Infant formula and adult nutritionals \u2014 Determination of trans and total (cis + trans) vitamin K1 content \u2014 Normal phase HPLC<\/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>2019-01<\/td>\n<td>26<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":605519,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[952,2634],"product_tag":[],"class_list":{"0":"post-605505","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-67-050","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\/605505","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\/605519"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=605505"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=605505"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=605505"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}