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EVS-ISO 9297:2023

Water quality -- Determination of chloride -- Silver nitrate titration with chromate indicator (Mohr's method) (ISO 9297:1989, identical)

General information

Valid from 01.09.2023
Base Documents
ISO 9297:1989
ICS Groups
13.060.50 Examination of water for chemical substances
Directives or regulations
None

Standard history

Status
Date
Type
Name
01.09.2023
Main
EVS-ISO 9297:2023
This International Standard specifies a titration method for the determination of dissolved chloride in water. The method is applicable to the direct determination of dissolved chloride in concentrations between 5 mg/l and 150 mg/l. The working range may be extended to 400 mg/l by using a burette of larger capacity or by sample dilution. Due to many interferences the method is not applicable to heavily polluted waters of low chloride content.

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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