{"id":338490,"date":"2024-10-19T23:41:13","date_gmt":"2024-10-19T23:41:13","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-iso-128712019\/"},"modified":"2024-10-25T22:47:24","modified_gmt":"2024-10-25T22:47:24","slug":"bs-iso-128712019","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-iso-128712019\/","title":{"rendered":"BS ISO 12871:2019"},"content":{"rendered":"<p>This document specifies a procedure for the determination of the content, as a mass fraction expressed as milligrams per kilogram, of aliphatic and triterpenic alcohols in olive oils and olive-pomace oils.<\/p>\n<blockquote>\n<p>NOTE This document is based on COI\/T.20\/Doc. 26 Rev.2:2017<sup>[<\/sup><sup>4<\/sup><sup>]<\/sup>.<\/p>\n<\/blockquote>\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>National foreword  <\/td>\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 Scope <br \/> 2 Normative references <br \/> 3 Terms and definitions <br \/> 4 Principle <br \/> 5 Reagents  <\/td>\n<\/tr>\n<tr>\n<td><b>8<b><\/td>\n<td>5.3 Diethyl ether. <br \/> 5.4 Anhydrous sodium sulfate. <br \/> 5.13 Hexamethyldisilazane (HMDS). <br \/> 5.14 Trimethylchlorosilane (TMCS). <br \/> 6 Apparatus  <\/td>\n<\/tr>\n<tr>\n<td><b>9<b><\/td>\n<td>6.13 Flame ionization detector. <br \/> 6.14 Integration system. <br \/> 6.19 Drying oven.  <\/td>\n<\/tr>\n<tr>\n<td><b>10<b><\/td>\n<td>7 Sampling <br \/> 8 Preparation of the test sample <br \/> 9 Procedure <br \/> 9.1 Preparation of the unsaponifiable matter <br \/> 9.2 Separation of alcoholic fractions  <\/td>\n<\/tr>\n<tr>\n<td><b>11<b><\/td>\n<td>9.3 Preparation of the trimethylsilyl ethers  <\/td>\n<\/tr>\n<tr>\n<td><b>12<b><\/td>\n<td>9.4 Gas chromatographic analysis <br \/> 9.4.1 Preliminary operations and column packing <br \/> 9.4.2 Operating conditions  <\/td>\n<\/tr>\n<tr>\n<td><b>13<b><\/td>\n<td>9.4.3 Analytical procedure <br \/> 9.4.4 Peak identification <br \/> 9.4.5 Quantitative evaluation  <\/td>\n<\/tr>\n<tr>\n<td><b>14<b><\/td>\n<td>10 Precision <br \/> 10.1 Interlaboratory test <br \/> 10.2 Repeatability <br \/> 10.3 Reproducibility <br \/> 11 Test report  <\/td>\n<\/tr>\n<tr>\n<td><b>15<b><\/td>\n<td>Annex A (informative) Thin-layer chromatography separation example and chromatogram examples  <\/td>\n<\/tr>\n<tr>\n<td><b>18<b><\/td>\n<td>Annex B (informative) Results of an interlaboratory test  <\/td>\n<\/tr>\n<tr>\n<td><b>19<b><\/td>\n<td>Bibliography  <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p><b>Olive oils and olive-pomace oils. Determination of aliphatic and triterpenic alcohols content by capillary gas chromatography<\/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>2019<\/td>\n<td>20<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":338496,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[984,2641],"product_tag":[],"class_list":{"0":"post-338490","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-67-200-10","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\/338490","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\/338496"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=338490"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=338490"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=338490"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}