EN 12120:2022

Chemicals used for treatment of water intended for human consumption - Sodium hydrogen sulfite

This document is applicable to sodium hydrogen sulfite used for treatment of water intended for human consumption. It describes the characteristics of sodium hydrogen sulfite and specifies the requirements and the corresponding test methods for sodium hydrogen sulfite. It gives information on its use in water treatment.

Produkte zur Aufbereitung von Wasser für den menschlichen Gebrauch - Natriumhydrogensulfit

Dieses Dokument ist anzuwenden für Natriumhydrogensulfit zur Aufbereitung von Wasser für den menschlichen Ge¬brauch. Es beschreibt die Eigenschaften von Natriumhydrogensulfit und legt die Anforderungen sowie die entsprechenden Prüfverfahren für Natriumhydrogensulfit fest. Es enthält Angaben zu dessen Anwendung in der Wasseraufbereitung.

Produits chimiques utilisés pour le traitement de l’eau destinée à la consommation humaine - Hydrogénosulfite de sodium

Le présent document est applicable à l’hydrogénosulfite de sodium utilisé pour le traitement de l’eau destinée à la consommation humaine. Il décrit les caractéristiques de l’hydrogénosulfite de sodium et spécifie les exigences et les méthodes d’essai correspondant à l’hydrogénosulfite de sodium. Il donne des informations pour son emploi dans le traitement de l’eau.

Kemikalije, ki se uporabljajo za pripravo pitne vode - Natrijev hidrogen sulfit

Ta dokument obravnava natrijev hidrogen sulfit, ki se uporablja za pripravo pitne vode. Opisuje značilnosti natrijevega hidrogen sulfita ter določa zahteve in ustrezne preskusne metode zanj. Podaja informacije za njegovo uporabo pri pripravi vode.

General Information

• Status: Published
• Publication Date: 19-Apr-2022
• Withdrawal Date: 30-Oct-2022
• ICS: 71.100.80 - Chemicals for purification of water
• Technical Committee: CEN/TC 164 - Water supply
• Drafting Committee: CEN/TC 164/WG 9 - Drinking water treatment
• Current Stage: 6060 - Definitive text made available (DAV) - Publishing
• Start Date: 20-Apr-2022
• Due Date: 04-Dec-2021
• Completion Date: 20-Apr-2022
• Ref Project: SIST EN 12120:2022 - Chemicals used for treatment of water intended for human consumption - Sodium hydrogen sulfite

Relations

• Replaces: EN 12120:2012 - Chemicals used for treatment of water intended for human consumption - Sodium hydrogen sulfite
• Effective Date: 26-Jun-2019

Standards Content (Sample)

SLOVENSKI STANDARD
SIST EN 12120:2022
01-junij-2022
Nadomešča:
SIST EN 12120:2013
Kemikalije, ki se uporabljajo za pripravo pitne vode - Natrijev hidrogen sulfit
Chemicals used for treatment of water intended for human consumption - Sodium
hydrogen sulfite
Produkte zur Aufbereitung von Wasser für den menschlichen Gebrauch -
Natriumhydrogensulfit
Produits chimiques utilisés pour le traitement de l’eau destinée à la consommation
humaine - Hydrogénosulfite de sodium
Ta slovenski standard je istoveten z: EN 12120:2022
ICS:
13.060.20 Pitna voda Drinking water
71.100.80 Kemikalije za čiščenje vode Chemicals for purification of
water
SIST EN 12120:2022 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN 12120:2022

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SIST EN 12120:2022


EN 12120
EUROPEAN STANDARD

NORME EUROPÉENNE

April 2022
EUROPÄISCHE NORM
ICS 71.100.80 Supersedes EN 12120:2012
English Version

Chemicals used for treatment of water intended for human
consumption - Sodium hydrogen sulfite
Produits chimiques utilisés pour le traitement de l'eau Produkte zur Aufbereitung von Wasser für den
destinée à la consommation humaine - menschlichen Gebrauch - Natriumhydrogensulfit
Hydrogénosulfite de sodium
This European Standard was approved by CEN on 13 March 2022.

CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this
European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references
concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN
member.

This European Standard exists in three official versions (English, French, German). A version in any other language made by
translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management
Centre has the same status as the official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and
United Kingdom.





EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2022 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 12120:2022 E
worldwide for CEN national Members.

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SIST EN 12120:2022
EN 12120:2022 (E)
Contents Page
European foreword . 4
Introduction . 5
1 Scope . 6
2 Normative references . 6
3 Terms and definitions . 6
4 Description . 6
4.1 Identification . 6
4.1.1 Chemical name . 6
4.1.2 Synonym or commons name . 6
4.1.3 Relative molecular mass . 6
4.1.4 Empirical formula . 6
4.1.5 Chemical formula . 7
4.1.6 CAS-Registry Number .
...