DS DS/EN ISO 1061
DS DSEN SO 1061 1999-NOV-10 Plastcs - Unplastczed cellulose acetate - Determnaton of free acdty
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This standard specifies a method for the determination of the amount of free acid in unplasticized cellulose acetate. This method is not suitable for cellulose acetate containing any additives which may affect the test.