ISO 1598:1990

Plastics - Cellulose acetate — Determination of insoluble particles

Publication date:   Sep 13, 1990

General information

90.93 Standard confirmed   Nov 8, 2018

ISO

ISO/TC 61/SC 9 Thermoplastic materials

International Standard

83.080.20   Thermoplastic materials

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Published

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Scope

Specifies a test method for determinig the number of insoluble and visible particles including all impurties 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.

Life cycle

PREVIOUSLY

Revises
ISO 1598:1975

NOW

PUBLISHED
ISO 1598:1990
90.93 Standard confirmed
Nov 8, 2018