{"id":338314,"date":"2024-10-19T23:40:16","date_gmt":"2024-10-19T23:40:16","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-iso-206342015\/"},"modified":"2024-10-25T22:46:18","modified_gmt":"2024-10-25T22:46:18","slug":"bs-iso-206342015","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-iso-206342015\/","title":{"rendered":"BS ISO 20634:2015"},"content":{"rendered":"<p>This International Standard specifies a method for the quantitative determination of vitamin B<sub>12<\/sub> in infant and adult formula (powders, ready-to-feed liquids and liquid concentrates) by reversed phase high performance liquid chromatography.<\/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>6<b><\/td>\n<td>Foreword  <\/td>\n<\/tr>\n<tr>\n<td><b>7<b><\/td>\n<td>1\tScope <br \/> 2\tTerms and definitions <br \/> 3\tPrinciple <br \/> 4\tReagents and materials  <\/td>\n<\/tr>\n<tr>\n<td><b>10<b><\/td>\n<td>5\tApparatus  <\/td>\n<\/tr>\n<tr>\n<td><b>11<b><\/td>\n<td>6\tProcedure <br \/> 6.1\tGeneral <br \/> 6.2\tSample preparation <br \/> 6.2.1\tGeneral  <\/td>\n<\/tr>\n<tr>\n<td><b>12<b><\/td>\n<td>6.2.2\tExtraction <br \/> 6.2.3\tSample concentration  <\/td>\n<\/tr>\n<tr>\n<td><b>13<b><\/td>\n<td>6.3\tHPLC analysis <br \/> 6.3.1\tSystem setup and configuration <br \/> 6.3.2\tInstrument operation conditions  <\/td>\n<\/tr>\n<tr>\n<td><b>14<b><\/td>\n<td>7\tCalculations <br \/> 7.1\tGeneral  <\/td>\n<\/tr>\n<tr>\n<td><b>15<b><\/td>\n<td>7.2\tCalculation of standard solution concentrations <br \/> 7.3\tPreparation of standard curves <br \/> 7.4\tCalculation of vitamin B12 concentrations in sample solutions  <\/td>\n<\/tr>\n<tr>\n<td><b>16<b><\/td>\n<td>Annex\u00a0A (informative)  Examples of chromatograms  <\/td>\n<\/tr>\n<tr>\n<td><b>17<b><\/td>\n<td>Annex\u00a0B (informative)  Precision data  <\/td>\n<\/tr>\n<tr>\n<td><b>19<b><\/td>\n<td>Annex\u00a0C (informative)  Example of SPE cartridge qualification procedure  <\/td>\n<\/tr>\n<tr>\n<td><b>20<b><\/td>\n<td>Bibliography  <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p><b>Infant formula and adult nutritionals. Determination of vitamin B<sub>12<\/sub> by reversed phase high performance liquid chromatography (RP-HPLC)<\/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>2015<\/td>\n<td>24<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":338318,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[2641],"product_tag":[],"class_list":{"0":"post-338314","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-bsi","8":"first","9":"instock","10":"sold-individually","11":"shipping-taxable","12":"purchasable","13":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/338314","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\/338318"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=338314"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=338314"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=338314"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}