ISO 2482:1973

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

Publication date: 1 shk 1973

General information

Current stage: 90.93 Effective date: 29 nën 2023

Originator: ISO

Owner: ISO/TC 47

Type: International Standard

ICS: 71.060.50

Gjuha: frëngjisht anglisht

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Statusi: Publikuar

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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.

Life cycle

NOW

PUBLISHED
ISO 2482:1973
90.93 Standard confirmed
29 nën 2023

National adoptions

SSH ISO 2482:1973

DPS

Klorur natriumi për përdorim industrial - Përcaktimi i përmbajtjes së kalciumit dhe magnezit - Metodat kompleksometrike EDTA

60.60 Standard published

DPS/KT 47 më tepër