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5 mm or 21⁄2 in
or in the view of the authors
alloy desinations
As grass trimmers are often used in forestry
bituminous coal or hard coal
Leather. Chemical tests for the determination of certain azo colorants in dyed leathers - Determination of 4-aminoazobenzene Ingestion-build-89079 5 mm or 21⁄2 in1 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
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