{"id":302359,"date":"2024-10-19T20:39:22","date_gmt":"2024-10-19T20:39:22","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bsi-pd-cen-ts-166402014\/"},"modified":"2024-10-25T18:10:15","modified_gmt":"2024-10-25T18:10:15","slug":"bsi-pd-cen-ts-166402014","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bsi-pd-cen-ts-166402014\/","title":{"rendered":"BSI PD CEN\/TS 16640:2014"},"content":{"rendered":"<p>This Technical Specification specifies a method for the determination of the bio-based carbon content in products, based on the 14C content measurement.<\/p>\n<p>It also specifies three test methods to be used for the determination of the 14C content from which the bio-based carbon content is calculated:<\/p>\n<ul>\n<li>\n<p>Method A: Liquid scintillation-counter method (LSC);<\/p>\n<\/li>\n<li>\n<p>Method B: Beta-ionization (BI);<\/p>\n<\/li>\n<li>\n<p>Method C: Accelerator mass spectrometry (AMS).<\/p>\n<\/li>\n<\/ul>\n<p>The bio-based carbon content is expressed by a fraction of sample mass, as a fraction of the total carbon content or as a fraction of the total organic carbon content.<\/p>\n<p>This calculation method is applicable to any product containing organic carbon, including biocomposites.<\/p>\n<blockquote>\n<p>NOTE This Technical Specification does not provide the methodology for the calculation of the biomass content of a sample.<\/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>4<b><\/td>\n<td>Contents Page  <\/td>\n<\/tr>\n<tr>\n<td><b>7<b><\/td>\n<td>Foreword  <\/td>\n<\/tr>\n<tr>\n<td><b>8<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 and definitions  <\/td>\n<\/tr>\n<tr>\n<td><b>11<b><\/td>\n<td>4 Symbols and abbreviations  <\/td>\n<\/tr>\n<tr>\n<td><b>12<b><\/td>\n<td>5 Principle <br \/> Table 1 \u2014 Advantages and disadvantages of the methods  <\/td>\n<\/tr>\n<tr>\n<td><b>13<b><\/td>\n<td>6 Determination of the 14C content <br \/> 6.1 General <br \/> 6.2 Principle <br \/> 6.3 Sampling <br \/> 6.4 Procedure for the conversion of the carbon present in the sample to a suitable sample for 14C determination <br \/> 6.5 Measurements  <\/td>\n<\/tr>\n<tr>\n<td><b>14<b><\/td>\n<td>7 Calculation of the bio-based carbon content <br \/> 7.1 General <br \/> 7.2 Correction factors  <\/td>\n<\/tr>\n<tr>\n<td><b>15<b><\/td>\n<td>Table 2 \u2014 Typical values for biomass fractions <br \/> 7.3 Calculation method <br \/> 7.3.1 Calculation of the bio-based carbon content by mass xB <br \/> 7.3.1.1 14C content determined by Method A (LSC) or Method B (BI) <br \/> 7.3.1.2 14C content determined by Method C (AMS)  <\/td>\n<\/tr>\n<tr>\n<td><b>16<b><\/td>\n<td>7.3.2 Calculation of the bio-based carbon content as a fraction of TC <br \/> 7.3.3 Calculation of the bio-based carbon content as a fraction of TOC <br \/> 7.3.4 Examples  <\/td>\n<\/tr>\n<tr>\n<td><b>17<b><\/td>\n<td>7.3.5 Examples of calculations of  and <br \/> Table 3 \u2014 Examples  <\/td>\n<\/tr>\n<tr>\n<td><b>18<b><\/td>\n<td>8 Test report  <\/td>\n<\/tr>\n<tr>\n<td><b>19<b><\/td>\n<td>Annex A  (informative)  Procedures for sampling of products <br \/> A.1  General <br \/> A.2  Solid samples <br \/> A.2.1 General <br \/> A.2.2 Plastics \/ polymers <br \/> A.2.3 Fuels <br \/> A.2.4 Ceramics \/ glass \/ concrete \/ cement \/ construction materials \/ waste  <\/td>\n<\/tr>\n<tr>\n<td><b>20<b><\/td>\n<td>A.2.5 Natural products <br \/> A.2.5.1 Rubber <br \/> A.2.5.2 Paper <br \/> A.3  Liquid samples <br \/> A.3.1 General <br \/> A.3.2 Solvents <br \/> A.3.3 Fuels  <\/td>\n<\/tr>\n<tr>\n<td><b>21<b><\/td>\n<td>A.4  Gaseous samples <br \/> A.5  Others  <\/td>\n<\/tr>\n<tr>\n<td><b>22<b><\/td>\n<td>Annex B  (normative)  Procedure for the conversion of the carbon present in the sample to a suitable sample for 14C determination <br \/> B.1 General <br \/> B.2 Sample preparation  <\/td>\n<\/tr>\n<tr>\n<td><b>23<b><\/td>\n<td>B.3 Preparation for 14C measurement <br \/> B.3.1 General  <\/td>\n<\/tr>\n<tr>\n<td><b>24<b><\/td>\n<td>B.3.2 Reagents and materials <br \/> B.4 Combustion of the sample in a calorimetric bomb <br \/> B.4.1 Procedure <br \/> B.4.2 Adsorption of the gas sample  <\/td>\n<\/tr>\n<tr>\n<td><b>25<b><\/td>\n<td>B.4.3 Combustion of the sample in a tube furnace or a combustion apparatus <br \/> B.4.4 Dissolution and LSC direct measurement on the product  <\/td>\n<\/tr>\n<tr>\n<td><b>26<b><\/td>\n<td>Annex C  (normative)  Method A &#8211; Liquid scintillation-counter method (LSC) <br \/> C.1 General <br \/> C.2 Principle <br \/> C.3 Reagents and materials <br \/> C.4 Apparatus  <\/td>\n<\/tr>\n<tr>\n<td><b>27<b><\/td>\n<td>C.5 Procedure <br \/> C.5.1 General <br \/> C.5.2 Blank correction  <\/td>\n<\/tr>\n<tr>\n<td><b>28<b><\/td>\n<td>C.6 Calculation of the results  <\/td>\n<\/tr>\n<tr>\n<td><b>29<b><\/td>\n<td>Annex D  (normative)  Method B &#8211; Beta-ionization (BI) <br \/> D.1 General <br \/> D.2 Principle <br \/> D.3 Reagents and materials  <\/td>\n<\/tr>\n<tr>\n<td><b>30<b><\/td>\n<td>D.4 Apparatus <br \/> D.5 Procedure  <\/td>\n<\/tr>\n<tr>\n<td><b>31<b><\/td>\n<td>D.6 Calculation of the results  <\/td>\n<\/tr>\n<tr>\n<td><b>32<b><\/td>\n<td>Annex E  (normative)  Method C &#8211; Accelerator Mass Spectrometry (AMS) <br \/> E.1  General <br \/> E.2  Principle <br \/> E.3  Reagents and materials <br \/> E.4 Apparatus  <\/td>\n<\/tr>\n<tr>\n<td><b>33<b><\/td>\n<td>E.5  Procedure <br \/> E.6  Calculation of the results  <\/td>\n<\/tr>\n<tr>\n<td><b>35<b><\/td>\n<td>Annex F  (informative)  Definitions and formulae of the 14C based method <br \/> F.1  Introduction <br \/> F.2  Symbols, abbreviations and definitions  <\/td>\n<\/tr>\n<tr>\n<td><b>36<b><\/td>\n<td>F.3  Principle of the method: How to determine the biogenic and fossil CO2 ratio of stack gas samples  <\/td>\n<\/tr>\n<tr>\n<td><b>37<b><\/td>\n<td>F.4  Determination of standardized 14C values for the calculation of the biogenic and fossil CO2 ratio of CO2 samples <br \/> F.4.1 General <br \/> F.4.2 Standardization of 14C results for the three different measurement techniques <br \/> F.4.2.1 General  <\/td>\n<\/tr>\n<tr>\n<td><b>38<b><\/td>\n<td>F.4.2.2 Standardization of AMS measurement results  <\/td>\n<\/tr>\n<tr>\n<td><b>39<b><\/td>\n<td>F.4.2.3 Standardization of LSC measurement results  <\/td>\n<\/tr>\n<tr>\n<td><b>40<b><\/td>\n<td>F.4.2.4 Standardization of proportional gas counter measurement results  <\/td>\n<\/tr>\n<tr>\n<td><b>41<b><\/td>\n<td>F.5  Calculation of the biogenic carbon fraction <br \/> F.5.1 General <br \/> F.5.2 How to determine  and <br \/> F.5.3 Definition of  <\/td>\n<\/tr>\n<tr>\n<td><b>42<b><\/td>\n<td>Figure F.1 \u2014 Decrease in 14C value atmospheric air CO2 (in pMC), measured at High Alpine Stations Vermunt (Austria) and Jungfraujoch (Switzerland).  <\/td>\n<\/tr>\n<tr>\n<td><b>43<b><\/td>\n<td>Bibliography  <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p><b>Bio-based products. Determination of the bio based carbon content of products using the radiocarbon 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>2014<\/td>\n<td>48<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":302361,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[1171,2641],"product_tag":[],"class_list":{"0":"post-302359","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-83-040-01","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\/302359","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\/302361"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=302359"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=302359"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=302359"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}