EN 12121:2012
(Main)Chemicals used for treatment of water intended for human consumption - Sodium disulfite
Chemicals used for treatment of water intended for human consumption - Sodium disulfite
This European Standard 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
Diese Europäische Norm gilt für Natriumdisulfit zur Aufbereitung von Wasser für den menschlichen Gebrauch. Sie beschreibt die Eigenschaften von Natriumdisulfit und legt die Anforderungen sowie die entsprechenden Prüfverfahren für Natriumdisulfit fest. Sie enthält Angaben zu dessen Anwendung in der Wasseraufbereitung. Sie 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 - Disulfite de sodium
La présente Norme européenne est applicable au disulfite de sodium utilisé pour le traitement de l'eau destinée à la consommation humaine. Elle décrit les caractéristiques du disulfite de sodium et spécifie les exigences et les méthodes d'essai correspondant au disulfite de sodium. Elle donne des informations pour son emploi dans le traitement de l'eau. Elle fixe également les règles relatives à la sécurité d'emploi et de manipulation (voir Annexe B).
Kemikalije, ki se uporabljajo za pripravo pitne vode - Natrijev disulfit
Ta evropski standard obravnava natrijev disulfit, ki se uporablja za pripravo pitne vode. Opisuje značilnosti natrijevega disulfita ter določa zahteve in ustrezne preskusne metode zanj. Standard podaja informacije o uporabi natrijevega disulfita pri pripravi vode. Določa tudi pravila za varno ravnanje in uporabo (glej dodatek B).
General Information
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Standards Content (Sample)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Kemikalije, ki se uporabljajo za pripravo pitne vode - Natrijev disulfitProdukte zur Aufbereitung von Wasser für den menschlichen Gebrauch - NatriumdisulfitProduits chimiques utilisés pour le traitement de l'eau destinée à la consommation humaine - Disulfite de sodiumChemicals used for treatment of water intended for human consumption - Sodium disulfite71.100.80Chemicals for purification of water13.060.20Pitna vodaDrinking waterICS:Ta slovenski standard je istoveten z:EN 12121:2012SIST EN 12121:2013en,fr,de01-april-2013SIST EN 12121:2013SLOVENSKI
STANDARDSIST EN 12121:20051DGRPHãþD
SIST EN 12121:2013
EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN 12121
November 2012 ICS 71.100.80 Supersedes EN 12121:2005English Version
Chemicals used for treatment of water intended for human consumption - Sodium disulfite
Produits chimiques utilisés pour le traitement de l'eau destinée à la consommation humaine - Disulfite de sodium Produkte zur Aufbereitung von Wasser für den menschlichen Gebrauch - Natriumdisulfit This European Standard was approved by CEN on 23 September 2012.
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, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION EUROPÄISCHES KOMITEE FÜR NORMUNG
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Avenue Marnix 17,
B-1000 Brussels © 2012 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 12121:2012: ESIST EN 12121:2013
EN 12121:2012 (E) 2 Contents Page Foreword . 3Introduction . 41Scope . 52Normative references . 53Description . 54Purity criteria . 75Test methods . 86Labelling — Transportation — Storage . 14Annex A (informative)
General information on sodium disulfite . 17Annex B (normative)
General rules relating to safety . 18Bibliography . 19 SIST EN 12121:2013
EN 12121:2012 (E) 3 Foreword This document (EN 12121:2012) has been prepared by Technical Committee CEN/TC 164 “Water supply”, the secretariat of which is held by AFNOR. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by May 2013, and conflicting national standards shall be withdrawn at the latest by May 2013. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN [and/or CENELEC] shall not be held responsible for identifyi
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