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Norm
ISO 787-9:1981
Ausgabedatum: 1981 09 01
General methods of test for pigments and extenders — Part 9: Determination of pH value of an aqueous suspension
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 t...
ZURÜCKGEZOGEN: 2019 02 26
Herausgeber:
International Organization for Standardization
Format:
Digital | 2 Seiten
Sprache:
Englisch
Aktuell Gültig:
ICS
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.
ISO 787-9:2019
2019 02 26
General methods of test for pigments and extenders — Part 9: Determination of pH value of an aqueous...
Norm
ISO 787-9:1981
1981 09 01
General methods of test for pigments and extenders — Part 9: Determination of pH value of an aqueous...
Norm
↖
Norm
Ausgabedatum :
2019 02 26
General methods of test for pigments and extenders — Part 9: Determination of pH value of an aqueous suspension
