ISO 7393-3:1990

Water quality — Determination of free chlorine and total chlorine — Part 3: Iodometric titration method for the determination of total chlorine

Publication date: May 31, 1990

General information

Current stage: 90.93 Effective date: Apr 4, 2023

Originator: ISO

Owner: ISO/TC 147/SC 2

Type: International Standard

ICS: 13.060.50

Languages: French English

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Status: Published

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Scope

Specifies a procedure for water. It is applicable for the measurement of concentrations, in terms of chlorine, from 0,01 to 0,21 mmol/l. The interfering substances are given. In annex B a procedure for direct titration is specified. It is usually applied to chlorine concentrations above 7 mol/l in treated drinking water.

Life cycle

PREVIOUSLY

Revises
ISO 7393-3:1986

NOW

PUBLISHED
ISO 7393-3:1990
90.93 Standard confirmed
Apr 4, 2023

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