{"id":338792,"date":"2024-10-19T23:42:44","date_gmt":"2024-10-19T23:42:44","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-en-iso-214242020\/"},"modified":"2024-10-25T22:49:14","modified_gmt":"2024-10-25T22:49:14","slug":"bs-en-iso-214242020","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-en-iso-214242020\/","title":{"rendered":"BS EN ISO 21424:2020"},"content":{"rendered":"<p>This document specifies a method for the quantitative determination of calcium (Ca), copper (Cu), iron (Fe), magnesium (Mg), manganese (Mn), phosphorus (P), potassium (K), sodium (Na), zinc (Zn), chromium (Cr), molybdenum (Mo) and selenium (Se) using inductively coupled plasma and mass spectrometry (ICP-MS).<\/p>\n<p>The method is applicable for the determination of all 12 elements in infant formula and adult nutritional products. The method is also applicable for milk, milk powder, whey powder, butter and cheese excluding the determination of Cr, because all Cr results were below the quantification limit and reproducibility could not be determined in these matrices<sup>[<\/sup><sup>1<\/sup><sup>]<\/sup>. The present method is an extension of ISO&nbsp;20649&nbsp;|&nbsp;IDF&nbsp;235 (AOAC&nbsp;2011.19<sup>[<\/sup><sup>2<\/sup><sup>]<\/sup>) which was validated only for Cr, Mo and Se in infant formula and adult nutritional products.<\/p>\n<p>The ranges given in Table&nbsp;1 are in scope (see also Table&nbsp;A.1).<\/p>\n<p><b>Table&nbsp;1<\/b><\/p>\n<p><b>Analytical ranges<\/b><\/p>\n<p><sup>a<\/sup> Concentrations apply to<\/p>\n<p>\u2014 milk and \u201dready-to-feed\u201d liquid as-is, using a typical sample size of 1&nbsp;g per final analytical solution volume of 50&nbsp;ml, and<\/p>\n<p>\u2014 reconstituted milk powder, reconstituted infant formula powder and reconstituted adult nutritional powder (25&nbsp;g into 200&nbsp;g of water), using a typical sample size of 1,8&nbsp;g of the reconstituted slurry per final analytical solution volume of 50&nbsp;ml.<\/p>\n<p>Ranges for non-reconstituted dairy ingredients (butter, cheese, whey powder, whey protein concentrate) are adjusted proportionally upward from these values based upon the sample size used for the ingredient. For example, if 0,3&nbsp;g of cheese is digested the ranges will be 1&nbsp;g\/ 0,3&nbsp;g&nbsp;=&nbsp;3,3&nbsp;\u00d7&nbsp;higher.<\/p>\n<h4>PDF Catalog<\/h4>\n<table border=\"1px\" class=\"des-table\">\n<tr>\n<th>PDF Pages<\/th>\n<th>PDF Title<\/th>\n<\/tr>\n<tr>\n<td><b>2<b><\/td>\n<td>undefined  <\/td>\n<\/tr>\n<tr>\n<td><b>4<b><\/td>\n<td>European foreword <br \/> Endorsement notice  <\/td>\n<\/tr>\n<tr>\n<td><b>6<b><\/td>\n<td>Foreword  <\/td>\n<\/tr>\n<tr>\n<td><b>9<b><\/td>\n<td>1 Scope <br \/> 2 Normative references <br \/> 3 Terms and definitions  <\/td>\n<\/tr>\n<tr>\n<td><b>10<b><\/td>\n<td>4 Principle <br \/> 5 Reagents  <\/td>\n<\/tr>\n<tr>\n<td><b>11<b><\/td>\n<td>6 Preparation of standards and solutions <br \/> 6.1 Surfactant solution (optional, approximately 5 %) <br \/> 6.2 Nitric acid rinse solution for autosampler rinse port, 2 % <br \/> 6.3 P\/A factor tuning working solution <br \/> 6.4 Calibration blank (Cal Blk) and preparation blank (PB) solution  <\/td>\n<\/tr>\n<tr>\n<td><b>12<b><\/td>\n<td>6.5 Calibration standard solution set <br \/> 7 Apparatus  <\/td>\n<\/tr>\n<tr>\n<td><b>13<b><\/td>\n<td>8 Preparation of test sample  <\/td>\n<\/tr>\n<tr>\n<td><b>14<b><\/td>\n<td>9 Determination  <\/td>\n<\/tr>\n<tr>\n<td><b>15<b><\/td>\n<td>10 Calculation  <\/td>\n<\/tr>\n<tr>\n<td><b>16<b><\/td>\n<td>11 Precision data <br \/> 11.1 General <br \/> 11.2 Repeatability <br \/> 11.3 Reproducibility <br \/> 12 Test report  <\/td>\n<\/tr>\n<tr>\n<td><b>17<b><\/td>\n<td>Annex A (informative)  Precision data  <\/td>\n<\/tr>\n<tr>\n<td><b>39<b><\/td>\n<td>Bibliography  <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p><b>Milk, milk products, infant formula and adult nutritionals. Determination of minerals and trace elements. Inductively coupled plasma mass spectrometry (ICP-MS) method<\/b><\/p>\n<table class=\"shortdes-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\/bsi\/\"><b>BSI<\/b><\/a><\/td>\n<td>2020<\/td>\n<td>40<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":338798,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[960,2641],"product_tag":[],"class_list":{"0":"post-338792","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-67-100-10","7":"product_cat-bsi","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\/338792","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\/338798"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=338792"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=338792"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=338792"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}