716752

ISO 2482:1973

Sodium chloride for industrial use -- Determination of calcium and magnesium contents -- EDTA complexometric methods

standard by International Organization for Standardization , 02/01/1973

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Full Description

The method is applicable to water-soluble salts for contents greater than 0,001 % (m/m). In a special case, the determination of ions in a principal solution prepared in an acid medium is pooible. The principle consists in dissolution of a test portion and separation of insoluble matter. Titration of the filtrate obtained according to ISO 2479 using disodium ethylendiamintetraacetate (EDTA) in the presence of glyoxal-bis-(2-hydroxyanil) (GBHA) and mordant black 11 (Cl 14645) respectively as indicators.

 

Product Details

Published:
02/01/1973
Number of Pages:
3
File Size:
1 file , 290 KB
Same As:
BS 7319-5:1990
Note:
This product is unavailable in Ukraine, Russia, Belarus