EN 900:2014

Chemicals used for treatment of water intended for human consumption - Calcium hypochlorite

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

Produkte zur Aufbereitung von Wasser für den menschlichen Gebrauch - Calciumhypochlorit

Diese Europäische Norm gilt für Calciumhypochlorit zur Aufbereitung von Wasser für den menschlichen Gebrauch. Sie beschreibt die Eigenschaften von Calciumhypochlorit und legt die Anforderungen sowie die entsprechenden Prüfverfahren für Calciumhypochlorit fest. Sie enthält Angaben zu seiner Anwendung in der Wasseraufbereitung. Sie legt darüber hinaus Regeln für die sichere Handhabung und Verwendung von Calciumchlorit fest (siehe Anhang B).

Produits chimiques utilisés pour le traitement de l'eau destinée à la consommation humaine - Hypochlorite de calcium

La présente Norme européenne est applicable à l'hypochlorite de calcium utilisé pour le traitement de l'eau destinée à la consommation humaine. Elle décrit les caractéristiques de l'hypochlorite de calcium et spécifie les exigences et les méthodes d'essai correspondant à l'hypochlorite de calcium. 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 de l'hypochlorite de calcium (voir Annexe B).

Kemikalije, ki se uporabljajo za pripravo pitne vode - Kalcijev hipoklorit

Ta evropski standard obravnava kalcijev hipoklorit, ki se uporablja za pripravo pitne vode. Opisuje značilnosti kalcijevega hipoklorita ter določa zahteve in ustrezne preskusne metode zanj. Podaja informacije za uporabo kalcijevega hipoklorita pri pripravi vode. Določa tudi pravila za varno ravnanje s kalcijevim hipokloritom in njegovo uporabo (glej dodatek B).

General Information

• Status: Published
• Publication Date: 01-Jul-2014
• Withdrawal Date: 30-Jan-2015
• 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: 9092 - Decision on results of review/2YR ENQ - revise - Review Enquiry
• Start Date: 16-Jul-2020
• Completion Date: 14-Apr-2025
• Ref Project: SIST EN 900:2014 - Chemicals used for treatment of water intended for human consumption - Calcium hypochlorite

Relations

• Replaces: EN 900:2007 - Chemicals used for treatment of water intended for human consumption - Calcium hypochlorite
• Effective Date: 11-Jul-2011

Standards Content (Sample)

SLOVENSKI STANDARD
01-oktober-2014
1DGRPHãþD
SIST EN 900:2008
Kemikalije, ki se uporabljajo za pripravo pitne vode - Kalcijev hipoklorit
Chemicals used for treatment of water intended for human consumption - Calcium
hypochlorite
Produkte zur Aufbereitung von Wasser für den menschlichen Gebrauch -
Calciumhypochlorit
Produits chimiques utilisés pour le traitement de l'eau destinée à la consommation
humaine - Hypochlorite de calcium
Ta slovenski standard je istoveten z: EN 900:2014
ICS:
13.060.20 Pitna voda Drinking water
71.100.80 .HPLNDOLMH]DþLãþHQMHYRGH Chemicals for purification of
water
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD
EN 900
NORME EUROPÉENNE
EUROPÄISCHE NORM
July 2014
ICS 71.100.80 Supersedes EN 900:2007
English Version
Chemicals used for treatment of water intended for human
consumption - Calcium hypochlorite
Produits chimiques utilisés pour le traitement de l'eau Produkte zur Aufbereitung von Wasser für den
destinée à la consommation humaine - Hypochlorite de menschlichen Gebrauch - Calciumhypochlorit
calcium
This European Standard was approved by CEN on 22 May 2014.

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

CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels
© 2014 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 900:2014 E
worldwide for CEN national Members.

Contents Page
Foreword .4
Introduction .5
1 Scope .6
2 Normative references .6
3 Description .6
3.1 Identification .6
3.1.1 Chemical name .6
3.1.2 Synonym or common name .6
3.1.3 Relative molecular mass .6
3.1.4 Empirical formula.6
3.1.5 Chemical formula .7
)
3.1.6 CAS Registry Number .7
)
3.1.7 EINECS reference .7
3.2 Commercial form .7
3.3 Physical properties .7
3.3.1 Appearance .7
3.3.2 Density .7
3.3.3 Solubility in water .7
3.3.4 Vapour pressure .7
)
3.3.5 Boiling point at 100 kPa .7
3.3.6 Melting point .7
3.3.7 Specific heat .7
3.3.8 Viscosity, dynamic.8
3.3.9 Critical temperature .8
3.3.10 Critical pressure.8
3.3.11 Physical hardness .8
3.4 Chemical properties .8
4 Purity criteria .8
4.1 General .8
4.2 Composition of commercial product .8
4.3 Impurities and main by-products .9
4.4 Chemical parameters .9
5 Test methods .9
5.1 Sampling .9
5.2 Analysis . 10
5.2.1 Determination of calcium hypochlorite content (main product) . 10
5.2.2 Dissolution quality (available chlorine after 1 min) . 12
5.2.3 Impurities . 13
5.2.4 Chemical parameters . 14
6 Labelling - Transportation - Storage . 16
6.1 Means of delivery . 16
)
6.2 Labelling according to the EU legislation . 17
6.3 Transportation regulations and labelling . 17
6.4 Marking . 18
6.5 Storage . 18
6.5.1 General . 18
6.5.2 Long term stability . 18
6.5.3 Storage incompatibilities . 19
Annex A (informative)  General information on calcium hypochlorite . 20
A.1 Origin . 20
A.1.1 Raw materials . 20
A.1.2 Manufacturing process . 20
A.2 Use . 20
A.2.1 Function. 20
A.2.2 Form in which it is used . 20
A.2.3 Treatment dose . 20
A.2.4 Means of application . 20
A.2.5 Secondary effects . 20
A.2.6 Removal of excess product . 21
Annex B (normative)  General rules relating to safety . 22
B.1 Rules for safe handling and use . 22
B.2 Emergency procedures . 22
B.2.1 First aid . 22
B.2.2 Spillage . 22
B.2.3 Fire . 22
Annex C (normative) Determination of arsenic, antimony and selenium (atomic absorption

spectrometry hydride technique) . 23
C.1 General principle . 23
C.2 Interferences . 23
C.3 Reagents. 23
C.4 Apparatus . 25
C.4.1 General . 25
C.5 Procedure . 27
C.5.1 Preparation of the apparatus . 27
C.5.2 Preparation of calibration solutions . 27
C.5.3 Preparation of test solutions and standard solutions . 27
C.5.4 Determination of arsenic with sodium borohydride . 27
C.5.5 Determination of selenium with sodium borohydride . 28
C.5.6 Determination
...