BS ISO 16620-2:2015

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

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.