CSA Group General methods of test for pigments and extenders - Part 9: Determination of pH value of an aqueous suspension ISO 787-9:1981

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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.
  • General methods of test for pigments and extenders - Part 9: Determination of pH value of an aqueous suspension - ISO 787-9:1981 - CSA Group
    CSA Group
Description
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.

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General methods of test for pigments and extenders - Part 9: Determination of pH value of an aqueous suspension - ISO 787-9:1981 - CSA Group
CSA Group
Toronto, Ontario, Canada
General methods of test for pigments and extenders - Part 9: Determination of pH value of an aqueous suspension
ISO 787-9:1981
General methods of test for pigments and extenders - Part 9: Determination of pH value of an aqueous suspension ISO 787-9:1981
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.

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.

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  CSA Group
Product Category Standards and Technical Documents
Product Number ISO 787-9:1981
Product Name General methods of test for pigments and extenders - Part 9: Determination of pH value of an aqueous suspension
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