Table of Contents

Foreword<br>Introduction<br>1 Scope<br>2 Normative references<br>3 Terms, definitions, symbols, and abbreviated terms<br>4 Principle<br>5 Sampling<br>6 Determination of the [14]C content<br>7 Determination of the total carbon content and<br>&nbsp;&nbsp;total organic carbon content<br>8 Calculation of the biobased carbon content<br>9 Test report<br>Annex A (normative) - Procedure for the conversion of the <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;carbon present in the sample to a<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;suitable sample for [14]C determination<br>Annex B (normative) - Method A - Determination by liquid<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;scintillation-counter method (LSC)<br>Annex C (normative) - Method B - [14]C determination by<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;beta-ionization<br>Annex D (normative) - Method C - [14]C determination by<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;accelerator mass spectrometry<br>Bibliography

Abstract

Defines a calculation method for the determination of the biobased carbon content in monomers, polymers, and plastic materials and products, based on the [14]C content measurement.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	British Standards Institution
Pages
ISBN
Committee	PRI/21
Supersedes	14/30291633 DC : 0