Obecné metody zkoušení pigmentů a plniv - Část 4: Stanovení kyselosti nebo zásaditosti vodného výluhu (Norma k přímému použití jako ČSN).

The information about the standard:

Designation standards: ČSN EN ISO 787-4
Classification mark: 670520
Catalog number: 504351
Publication date standards: 1.5.2018
The number of pages: 16
Approximate weight : 48 g (0.11 lbs)
Country: Czech technical standard
Kategorie: Technické normy ČSN

Annotation of standard text ČSN EN ISO 787-4 (670520):

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 in 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