Rubber and rubber products. Determination of biobased content - Biobased mass content Ingestion-build-51747 BS EN 16342 is a

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Rubber and rubber products. Determination of biobased content - Biobased mass content Ingestion-build-51747 BS EN 16342 is a1 Scope This document specifies measuring methods for the determination of the biobased mass contents in rubber and rubber products. The biobased mass content of rubber materials or final products can be determined by separating the sample into the rubber, the inorganic ingredient (including carbon black) and the solvent extract, each of whose 14C content is determined, and then converting the results to the biobased mass content using the procedure