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ISO 6656:1984

Animal and vegetable fats and oils — Determination of polyethylene-type polymers

Dec 1, 1984
95.99 Withdrawal of Standard   Apr 25, 2002

General information

95.99     Apr 25, 2002

ISO

ISO/TC 34/SC 11

International Standard

67.200.10  

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Scope

Specifies the reference method. Below 50 mg of polymers per kilogram the presicion of the method is insufficient. The method consists in dissolving of a test portion in chloroform, after acid treatment, then filtrating through a sintered filter crucible, washing the crucible and its content, drying and weighing, followed by extraction of the polymers from the insoluble matter by boiling tetrachloroethylene, drying the crucible with its content and weighing again.

Life cycle

NOW

WITHDRAWN
ISO 6656:1984
95.99 Withdrawal of Standard
Apr 25, 2002

REVISED BY

PUBLISHED
ISO 6656:2002