718064

ISO 4325:1990

Soaps and detergents -- Determination of chelating agent content -- Titrimetric method

standard by International Organization for Standardization , 04/01/1990

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Full Description

A test portion of the sample is dissolved in water, the pH of the solution adjusted to 4.65 and the solution titrated against standard copper(II) sulphate solution using 1-(2-pyridylazo)-2-naphthol as indicator. Principally the method has been designed principally for determining ethylenediaminetetraacetic acid (EDTA) and it salts. Before determining other chelating agents, or determining ethylenediaminetetraacetic acid in the presence of other chelating agents, the applicability of the method should be confirmed.

 

Product Details

Published:
04/01/1990
Number of Pages:
2
File Size:
1 file , 580 KB
Same As:
BS 3762-3.23:1990
Note:
This product is unavailable in Ukraine, Russia, Belarus