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EN ISO 787-9:1995

General methods of test for pigments and extenders - Part 9: Determination of pH value of aqueous suspension (ISO 787-9:1981) EN ISO 787-9:1995

Publication date:   Jan 1, 1999

General information

99.60 Withdrawal effective   Mar 27, 2019

CEN

CEN/TC 298 Pigments and extenders

European Norm

87.060.10   Pigments and extenders

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Scope

The water used shall be freshly distilled water, boiled before use, but for 5 to 10 min only, in order to avoid an increase of its pH value due to alkali dissolved from the glass. Preparation of a suspension of the material under test, stopper the container, shaking, allow to stand any time, removing the stopper and determination, to the nearest 0.1 unit, of the pH value of the suspension. - Cancels and replaces ISO Recommendation R 787/9-1970.

Life cycle

NOW

WITHDRAWN
EN ISO 787-9:1995
99.60 Withdrawal effective
Mar 27, 2019

REVISED BY

PUBLISHED
EN ISO 787-9:2019

Relations

Adopted from ISO 787-9:1981 IDENTICAL