Leather. Chemical tests for the determination of certain azo colorants in dyed leathers - Determination of 4-aminoazobenzene Ingestion-build-89079 bituminous coal or hard coal

bituminous coal or hard coal

Specifications are included for bounded and unbounded integer datatypes

BS EN 1295-1 covers pipes and systems whether operating at atmospheric

This International Standard specifies a method for determining the maximum speed of a moped as defined in ISO 3833

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Leather. Chemical tests for the determination of certain azo colorants in dyed leathers - Determination of 4-aminoazobenzene Ingestion-build-89079 bituminous coal or hard coal1 Scope This part of ISO 17234 is supplementary to ISO 17234 1 and describes a special procedure to detect the use of certain azo colorants in commodities, which can release 4 aminoazobenzene. The procedure also detects 4 aminoazobenzene (Solvent Yellow 1) which is already available as free amine in commodities without reducing pretreatment. Azo colorants that are able to form 4 aminoazobenzene generate, under the conditions of ISO 17234 1, the amines