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EVS-EN ISO 7393-3:2000

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

General information

Valid from 01.08.2000
Base Documents
ISO 7393-3:1990; EN ISO 7393-3:2000
ICS Groups
13.060 Water quality
Directives or regulations
None

Standard history

Status
Date
Type
Name
01.08.2000
Main
EVS-EN ISO 7393-3:2000
This part of ISO 7393 specifies an iodometric titration method for the determination of total chlorine in water.
The method is applicable for the measurement of concentrations in terms of chlorine (Cl2 from 0,01 mmol/l to 0,21 mmol/l (0,71 mg/I to 15 mg/l).
Several substances interfere in the determination (see clause 10).
In annex B a method for direct titration is specified. This is usually applied to the determination of chlorine concentrations above 7 umol/l (0,5 mg/I) in treated drinking water.

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English (PDF 275 KB) Estonian (PDF 336 KB)

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Standards designation

EVS Estonian standard
EN European standard (published by an CEN or CENELEC)
EN ISO International standard adopted as an European standard
ISO International Organization for Standardization’s standard
IEC International Electrotechnical Commission’s standard
HD CENELEC’s harmonisation document
   
EVS-EN European standard implemented in Estonia
EVS-EN ISO International standard adopted in Europe and implemented in Estonia
EVS-EN ISO/IEC International standard/International electrotechnical standard adopted in Europe and implemented in Estonia
EVS-IEC International electrotechnical standard implemented in Estonia
EVS-ISO International standard implemented in Estonia
   
A, AMD amedment
+A a full standard plus the amendment
/A only amendment
COR, AC corrigendum
+COR a full standard plus the corrigendum
NA national annex
+NA a full standard plus the national annex
/NA only national annex
TS technical specification
TR technical report
CWA agreement, developed by a CEN or CENELEC
prEVS-EN (etc) draft standard
   
et the standard is in Estonian only
en the standard is in English only
et-en the standard is in Parallel text Estonian-English