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ISO 7393-1:1985

Water quality -- Determination of free chlorine and total chlorine -- Part 1: Titrimetric method using N,N-diethyl-1,4-phenylenediamine

General information

Valid from 26.09.1985
ICS Groups
13.060.50 Examination of water for chemical substances
Directives or regulations
None

Standard history

Status
Date
Type
Name
22.03.2001
Corrigendum
ISO 7393-1:1985/Cor 1:2001
26.09.1985
Main
ISO 7393-1:1985
Specifies a procedure for water. Sea water and waters containing bromides and iodides comprise a group for which special procedures are required. The procedure is applicable to concentrations, in terms of chlorine, from 0,000 4 to 0,07 mmol/l total chlorine and at higher concentrations by dilution of samples. Several compounds influencing the procedure are noted.

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Standard monitoring
English (PDF 371 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