ISO 1598:1990

Current Revision
Plastics - Cellulose acetate - Determination of insoluble particles

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ISO 1598:1990

Plastics - Cellulose acetate - Determination of insoluble particles

PUBLISH DATE 1990
ISO 1598:1990

Specifies a test method for determining the number of insoluble and visible particles including all impurities and foreign particles in cellulose acetate.

A test portion is dissolved in a mixture of dichloromethane, methanol, and dimethylphthalate.

Counting of all visible particles with a diameter greater than 0.15 mm in a square area with a side length of 25 mm.

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