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ISO 787-9:1981

General methods of test for pigments and extenders — Part 9: Determination of pH value of an aqueous suspension
1 sht 1981
95.99 Withdrawal of Standard   26 shk 2019

General information

95.99     26 shk 2019

ISO

ISO/TC 256

International Standard

87.060.10  

frëngjisht   anglisht  

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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WITHDRAWN
ISO 787-9:1981
95.99 Withdrawal of Standard
26 shk 2019

REVISED BY

PUBLISHED
ISO 787-9:2019