{"id":315876,"date":"2024-10-19T21:46:43","date_gmt":"2024-10-19T21:46:43","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-iso-16620-22019\/"},"modified":"2024-10-25T19:55:47","modified_gmt":"2024-10-25T19:55:47","slug":"bs-iso-16620-22019","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-iso-16620-22019\/","title":{"rendered":"BS ISO 16620-2:2019"},"content":{"rendered":"<p>This document specifies a calculation method for the determination of the biobased carbon content in monomers, polymers, and plastic materials and products, based on the <sup>14<\/sup>C content measurement.<\/p>\n<p>This document is applicable to plastic products and plastic materials (e.g. plasticisers or modifiers), polymer resins, monomers, or additives, which are made from biobased or fossil-based constituents.<\/p>\n<p>Knowing the biobased content of plastic products is useful when evaluating their environmental impact.<\/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>6<b><\/td>\n<td>Foreword  <\/td>\n<\/tr>\n<tr>\n<td><b>7<b><\/td>\n<td>Introduction  <\/td>\n<\/tr>\n<tr>\n<td><b>9<b><\/td>\n<td>1 Scope <br \/> 2 Normative references <br \/> 3 Terms, definitions, symbols and abbreviated terms <br \/> 3.1 Terms and definitions  <\/td>\n<\/tr>\n<tr>\n<td><b>10<b><\/td>\n<td>3.2 Symbols <br \/> 3.3 Abbreviated terms  <\/td>\n<\/tr>\n<tr>\n<td><b>11<b><\/td>\n<td>4 Principle <br \/> 5 Sampling  <\/td>\n<\/tr>\n<tr>\n<td><b>12<b><\/td>\n<td>6 Determination of the 14C content <br \/> 6.1 General <br \/> 6.2 Principle <br \/> 6.3 Procedure for the conversion of the carbon present in the sample to a suitable sample for 14C determination <br \/> 6.4 Measurement techniques  <\/td>\n<\/tr>\n<tr>\n<td><b>13<b><\/td>\n<td>7 Determination of the total carbon content and total organic carbon content <br \/> 8 Calculation of the biobased carbon content <br \/> 8.1 General <br \/> 8.2 Correction factors  <\/td>\n<\/tr>\n<tr>\n<td><b>14<b><\/td>\n<td>8.3 Calculation method <br \/> 8.3.1 Calculation of the biobased carbon content by mass, xB   <\/td>\n<\/tr>\n<tr>\n<td><b>15<b><\/td>\n<td>8.3.2 Calculation of the biobased carbon content, \ufffc, as a fraction of TC <br \/> 8.3.3 Calculation of the biobased carbon content, \ufffc, as a fraction of TOC <br \/> 8.3.4 Examples  <\/td>\n<\/tr>\n<tr>\n<td><b>16<b><\/td>\n<td>9 Test report  <\/td>\n<\/tr>\n<tr>\n<td><b>17<b><\/td>\n<td>Annex A (normative)  Procedure for the conversion of the carbon present in the sample to a suitable sample for 14C determination  <\/td>\n<\/tr>\n<tr>\n<td><b>22<b><\/td>\n<td>Annex B (normative)  Method A \u2014 Determination by liquid scintillation-counter method (LSC)  <\/td>\n<\/tr>\n<tr>\n<td><b>25<b><\/td>\n<td>Annex C (informative)  Method B \u2014 14C determination by beta-ionization  <\/td>\n<\/tr>\n<tr>\n<td><b>28<b><\/td>\n<td>Annex D (normative)  Method C \u2014 14C determination by accelerator mass spectrometry  <\/td>\n<\/tr>\n<tr>\n<td><b>31<b><\/td>\n<td>Bibliography  <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p><b>Plastics. Biobased content &#8211; Determination of biobased carbon content<\/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>34<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":315883,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[1177,2641],"product_tag":[],"class_list":{"0":"post-315876","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-83-080-01","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\/315876","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\/315883"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=315876"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=315876"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=315876"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}