DIN EN ISO 787-4
General methods of test for pigments and extenders - Part 4: Determination of acidity or alkalinity of the aqueous extract (ISO 787-4:1981); German and English version prEN ISO 787-4:2016
| Organization: | DIN |
| Publication Date: | 1 April 2017 |
| Status: | inactive |
| Page Count: | 21 |
| ICS Code (Pigments and extenders): | 87.060.10 |
scope:
Scope and field of application
This part of ISO 787 specifies a general method of test for determining the acidity or alkalinity of the aqueous extract of a sample of pigment or extender.
NOTE When this general method is applicable to a given pigment or extender, only a cross-reference to it should be included m the International Standard relating to that pigment or extender, with a note of any detailed modification which may be needed in view of the special properties of the material in question. Only when this general method is not applicable to a particular material should a special method for determination of acidity or alkalinity be specified
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