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EVS-EN ISO 10304-4:2022

Water quality - Determination of dissolved anions by liquid chromatography of ions - Part 4: Determination of chlorate, chloride and chlorite in water with low contamination (ISO 10304-4:2022)

General information

Valid from 01.04.2022
Base Documents
ISO 10304-4:2022; EN ISO 10304-4:2022
ICS Groups
13.060.50 Examination of water for chemical substances
Directives or regulations
None

Standard history

Status
Date
Type
Name
01.04.2022
Main
EVS-EN ISO 10304-4:2022
01.07.2001
Main
EVS-EN ISO 10304-4:2001
This document specifies a method for the determination of the dissolved anions chlorate, chloride and
chlorite in water with low contamination (e.g. drinking water, raw water or swimming pool water).
The diversity of the appropriate and suitable assemblies and the procedural steps depending on them
permit a general description only.
For further information on the analytical technique, see Bibliography.
An appropriate pre-treatment of the sample (e.g. dilution) and the use of a conductivity detector (CD),
UV detector (UV) or amperometric detector (AD) make the working ranges given in Table 1 feasible.

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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