DS DS/EN ISO 1598
DS DSEN SO 1598 1999-AUG-16 Plastcs - Cellulose acetate - Determnaton of nsoluble partcles
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This standard specifies af method for the determination of the number of visible particles (including all kinds of contamination and black dirt) in cellulose acetate which are insoluble in a mixture of dimethylphthalate, dichloromethane and methanol, and are of size 0.15 mm or larger.