ISO 2482:1973
Sodium chloride for industrial use; Determination of calcium and magnesium contents; EDTA complexometric methods
- Standard No.
- ISO 2482:1973
- Release Date
- 1973
- Published By
- International Organization for Standardization (ISO)
- Latest
- ISO 2482:1973
- Scope
- 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.
ISO 2482:1973 history
- 1973 ISO 2482:1973 Sodium chloride for industrial use; Determination of calcium and magnesium contents; EDTA complexometric methods
