ISO 787-9:1981 Historical

720363

General methods of test for pigments and extenders - Part 9 : Determination of pH value of an aqueous suspension

standard by International Organization for Standardization , 09/01/1981

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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.

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Product Details

Published:

09/01/1981

Number of Pages:

2

File Size:

1 file

Same As:

BS EN ISO 787-9:1995

Note:

This product is restricted and cannot be purchased in the following countries Ukraine, Russia, Belarus