Withdrawn
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.
WITHDRAWN
ISO 787-9:1981
95.99
Withdrawal of Standard
Feb 26, 2019
PUBLISHED
ISO 787-9:2019
General methods of test for pigments and extenders - Part 9: Determination of pH value of aqueous suspension (ISO 787-9:1981)
95.99 Withdrawal of Standard
General methods of test for pigments and extenders — Part 9: Determination of pH value of an aqueous suspension
95.99 Withdrawal of Standard