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ISO 787-9:1981

Withdrawn

Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

View Superseded by

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

Available format(s)

Hardcopy , PDF

Language(s)

English, French

Published date

01-09-1981

Withdrawn date

09-04-2025

Superseded by

ISO 787-9:2019

£62.00
Excluding VAT
Summarise this standard

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.

Committee
ISO/TC 256
DocumentType
Standard
Pages
2
PublisherName
International Organization for Standardization
Status
Withdrawn
SupersededBy

⚠

A newer version of this standard is available.

£62.00
Excluding VAT