Chemicals used for treatment of water intended for human consumption - Sodium disulfite

This document is applicable to sodium disulfite used for treatment of water intended for human consumption. It describes the characteristics of sodium disulfite and specifies the requirements and the corresponding test methods for sodium disulfite. It gives information on its use in water treatment. It also determines the rules relating to safe handling and use (see Annex B).

Produkte zur Aufbereitung von Wasser für den menschlichen Gebrauch - Natriumdisulfit

Dieses Dokument ist anzuwenden für Natriumdisulfit zur Aufbereitung von Wasser für den menschlichen Gebrauch. Es beschreibt die Eigenschaften von Natriumdisulfit und legt die Anforderungen sowie die entsprechenden Prüfverfahren für Natriumdisulfit fest. Es enthält Angaben zu dessen Anwendung in der Wasseraufbereitung. Es legt darüber hinaus Regeln für die sichere Handhabung und Verwendung fest (siehe Anhang B).

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

Le présent document s’applique au bisulfite de sodium utilisé pour le traitement de l’eau destinée à la consommation humaine. Il décrit les caractéristiques du bisulfite de sodium et spécifie les exigences et les méthodes d’essai correspondant au bisulfite de sodium. Il donne des informations pour son emploi dans le traitement de l’eau. Il fixe également les règles relatives à la sécurité d’emploi et de manipulation (voir l’Annexe B).

Kemikalije, ki se uporabljajo za pripravo pitne vode - Natrijev disulfit

Ta dokument obravnava natrijev disulfit, ki se uporablja za pripravo pitne vode. Opisuje značilnosti natrijevega disulfita ter določa zahteve in ustrezne preskusne metode zanj. Podaja informacije za njegovo uporabo pri pripravi vode. Določa tudi predpise za varno ravnanje in uporabo (glej dodatek B).

General Information

Status
Published
Publication Date
19-Apr-2022
Withdrawal Date
30-Oct-2022
Current Stage
6060 - Definitive text made available (DAV) - Publishing
Start Date
20-Apr-2022
Due Date
04-Dec-2021
Completion Date
20-Apr-2022

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Standards Content (Sample)

SLOVENSKI STANDARD
SIST EN 12121:2022
01-junij-2022
Nadomešča:
SIST EN 12121:2013
Kemikalije, ki se uporabljajo za pripravo pitne vode - Natrijev disulfit
Chemicals used for treatment of water intended for human consumption - Sodium
disulfite
Produkte zur Aufbereitung von Wasser für den menschlichen Gebrauch - Natriumdisulfit
Produits chimiques utilisés pour le traitement de l’eau destinée à la consommation
humaine - Bisulfite de sodium
Ta slovenski standard je istoveten z: EN 12121:2022
ICS:
13.060.20 Pitna voda Drinking water
71.100.80 Kemikalije za čiščenje vode Chemicals for purification of
water
SIST EN 12121:2022 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN 12121:2022

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SIST EN 12121:2022


EN 12121
EUROPEAN STANDARD

NORME EUROPÉENNE

April 2022
EUROPÄISCHE NORM
ICS 71.100.80 Supersedes EN 12121:2012
English Version

Chemicals used for treatment of water intended for human
consumption - Sodium disulfite
Produits chimiques utilisés pour le traitement de l'eau Produkte zur Aufbereitung von Wasser für den
destinée à la consommation humaine - Bisulfite de menschlichen Gebrauch - Natriumdisulfit
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 12121:2022 E
worldwide for CEN national Members.

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SIST EN 12121:2022
EN 12121:2022 (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 . 7
4.1.5 Chemical formula . 7
4.1.6 CAS-Registry Number .
...

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