EN 937:2016
(Main)Chemicals used for treatment of water intended for human consumption - Chlorine
Chemicals used for treatment of water intended for human consumption - Chlorine
This European Standard is applicable to chlorine used for treatment of water intended for human consumption. It describes the characteristics of chlorine and specifies the requirements and the corresponding test methods for chlorine. It gives information on its use in water treatment.
Produkte zur Aufbereitung von Wasser für den menschlichen Gebrauch - Chlor
Diese Europäische Norm gilt für Chlor zur Aufbereitung von Wasser für den menschlichen Gebrauch. Sie beschreibt die Eigenschaften von Chlor und legt die Anforderungen sowie die entsprechenden Prüfverfahren für Chlor fest. Sie enthält Angaben zu dessen Anwendung in der Wasseraufbereitung.
Produits chimiques utilisés pour le traitement de l'eau destinée à la consommation humaine - Chlore
La présente Norme européenne est applicable au chlore utilisé pour le traitement de l'eau destinée à la consommation humaine. Elle décrit les caractéristiques du chlore et spécifie les exigences et les méthodes d'essai relatives au chlore. Elle donne des informations pour son emploi dans le cadre du traitement de l’eau.
Kemikalije, ki se uporabljajo za pripravo pitne vode - Klor
Ta evropski standard se uporablja za klor, ki se uporablja za pripravo pitne vode. Opisuje lastnosti klora ter določa zahteve in ustrezne preskusne metode zanj. Podaja informacije za njegovo uporabo pri pripravi vode.
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 - KlorProdukte zur Aufbereitung von Wasser für den menschlichen Gebrauch - ChlorProduits chimiques utilisés pour le traitement de l'eau destinée à la consommation humaine - ChloreChemicals used for treatment of water intended for human consumption - Chlorine71.100.80Chemicals for purification of water13.060.20Pitna vodaDrinking waterICS:Ta slovenski standard je istoveten z:EN 937:2016SIST EN 937:2016en,fr,de01-julij-2016SIST EN 937:2016SLOVENSKI
STANDARDSIST EN 937:20091DGRPHãþD
EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN 937
May
t r s x ICS
y sä s r rä z r Supersedes EN
{ u yã t r r {English Version
Chemicals used for treatment of water intended for human consumption æ Chlorine Produits chimiques utilisés pour le traitement de l 5eau destinée à la consommation humaine æ Chlore
Produkte zur Aufbereitung von Wasser für den menschlichen Gebrauch æ Chlor This European Standard was approved by CEN on
s z March
t r s xä
egulations which stipulate the conditions for giving this European Standard the status of a national standard without any alterationä Upætoædate lists and bibliographical references concerning such national standards may be obtained on application to the CENæCENELEC Management Centre or to any CEN memberä
translation under the responsibility of a CEN member into its own language and notified to the CENæCENELEC Management Centre has the same status as the official versionsä
CEN members are the national standards bodies of Austriaá Belgiumá Bulgariaá Croatiaá Cyprusá Czech Republicá Denmarká Estoniaá Finlandá Former Yugoslav Republic of Macedoniaá Franceá Germanyá Greeceá Hungaryá Icelandá Irelandá Italyá Latviaá Lithuaniaá Luxembourgá Maltaá Netherlandsá Norwayá Polandá Portugalá Romaniaá Slovakiaá Sloveniaá Spainá Swedená Switzerlandá Turkey and United Kingdomä
EUROPEAN COMMITTEE FOR STANDARDIZATION COMITÉ EUROPÉEN DE NORMALISATION EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre:
Avenue Marnix 17,
B-1000 Brussels
t r s x CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Membersä Refä Noä EN
{ u yã t r s x ESIST EN 937:2016
European foreword . 3 Introduction . 4 1 Scope . 5 2 Normative references . 5 3 Description . 5 3.1 Identification . 5 3.2 Commercial form . 6 3.3 Physical properties . 6 3.4 Chemical properties . 7 4 Purity criteria . 7 4.1 General . 7 4.2 Composition of commercial product . 7 4.3 Impurities and main by-products . 7 4.4 Chemical parameters . 8 5 Test methods . 8 5.1 General . 8 5.2 Sampling . 8 5.3 Analysis . 8 6 Labelling - Transportation - Storage . 8 6.1 Means of delivery . 8 6.2 Labelling in accordance with EU legisation
.......................................................................................... 9 6.3 Transportation regulations and labelling ........................................................................................... 10 6.4 Marking ............................................................................................................................................................ 11 6.5 Storage ............................................................................................................................................................. 11 Annex A (informative)
General information on chlorine . 12 A.1 Origin . 12 A.2 Use . 12 Annex B (informative)
General rules relating to safety . 13 B.1 Rules for safe handling and use . 13 B.2 Emergency procedures . 13 Annex C (informative)
Determination of nitrogen trichloride (molecular absorption spectrometry) . 14 C.1 General . 14 C.2 Principle . 14 C.3 Reaction . 14 C.4 Reagents . 14 C.5 Apparatus . 15 C.6 Sampling and samples . 16 C.7 Procedure. 16 C.8 Calculation and expression of the results . 19 Bibliography . 21
1) Chemical Abstracts Service Registry Number.
2) European Inventory of Existing Commercial Chemical Substances. 3) 100 kPa = 1 bar.
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