EN 896:2005

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

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

Produkte zur Aufbereitung von Wasser für den menschlichen Gebrauch - Natriumhydroxid

Diese Europäische Norm gilt für Natriumhydroxid zur Aufbereitung von Wasser für den menschlichen
Gebrauch. Sie beschreibt die Eigenschaften von Natriumcarbonat und legt die Anforderungen sowie die
entsprechenden Prüfverfahren für Natriumhydroxid fest. Sie gibt Informationen für die Anwendung von
Natriumchlorid in der Wasseraufbereitung. Sie legt darüber hinaus Regeln für die sichere Handhabung und
Benutzung fest (siehe Anhang C).

Produits chimiques pour le traitement de l'eau destinée à la consommation humaine - Hydroxyde de sodium

La présente norme européenne est applicable à l'hydroxyde de sodium utilisé pour le traitement de l'eau destinée à la consommation humaine. Elle décrit les caractéristiques et spécifie les prescriptions de l'hydroxyde de sodium et les méthodes d'essai correspondantes. Elle donne les informations pour son emploi dans le traitement de l'eau.

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

General Information

• Status: Withdrawn
• Publication Date: 21-Jun-2005
• Withdrawal Date: 13-Nov-2012
• 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: 9960 - Withdrawal effective - Withdrawal
• Start Date: 14-Nov-2012
• Completion Date: 14-Nov-2012
• Directive: 93/38/EEC - Procurement procedures of entities operating in the water, energy, transport and telecommunications sectors
• Mandate: M/BC/CEN/88/15 - Standardization request to CEN/CENELEC in the field of Water supply, drainage and sewerage
• Ref Project: SIST EN 896:2005 - Chemicals used for treatment of water intended for human consumption - Sodium hydroxide

Relations

• Replaces: EN 896:1998 - Chemicals used for treatment of water intended for human consumption - Sodium hydroxide
• Effective Date: 22-Dec-2008
• Replaced By: EN 896:2012 - Chemicals used for treatment of water intended for human consumption - Sodium hydroxide
• Effective Date: 21-Nov-2012

Standards Content (Sample)

SLOVENSKI STANDARD
SIST EN 896:2005
01-september-2005
1DGRPHãþD
SIST EN 896:2000
Kemikalije, ki se uporabljajo za pripravo pitne vode - Natrijev hidroksid
Chemicals used for treatment of water intended for human consumption - Sodium
hydroxide
Produkte zur Aufbereitung von Wasser für den menschlichen Gebrauch -
Natriumhydroxid
Produits chimiques pour le traitement de l'eau destinée a la consommation humaine -
Hydroxyde de sodium
Ta slovenski standard je istoveten z: EN 896:2005
ICS:
13.060.20 Pitna voda Drinking water
71.100.80 .HPLNDOLMH]DþLãþHQMHYRGH Chemicals for purification of
water
SIST EN 896:2005 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN 896:2005

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SIST EN 896:2005



EUROPEAN STANDARD
EN 896

NORME EUROPÉENNE

EUROPÄISCHE NORM
June 2005
ICS 71.100.80 Supersedes EN 896:1998
English version
Chemicals used for treatment of water intended for human
consumption - Sodium hydroxide
Produits chimiques utilisés pour le traitement de l'eau Produkte zur Aufbereitung von Wasser für den
destinée à la consommation humaine - Hydroxyde de menschlichen Gebrauch - Natriumhydroxid
sodium
This European Standard was approved by CEN on 12 May 2005.

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 Central Secretariat 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 Central Secretariat has the same status as the official
versions.

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




EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

Management Centre: rue de Stassart, 36  B-1050 Brussels
© 2005 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 896:2005: E
worldwide for CEN national Members.

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SIST EN 896:2005
EN 896:2005 (E)
Contents Page
Foreword.3
Introduction .4
1 Scope .5
2 Normative references .5
3 Description .5
Figure 1-Solubility of sodium hydroxide.7
4 Purity criteria.8
Table 1 — Impurities.9
Table 2 — Chemical parameters .10
5 Test methods.10
6 Labelling – Transportation – Storage .12
Annex A (informative) General information on sodium hydroxide .15
Annex B (normative) Analytical methods .16
Table B.1 - Calibration solutions.19
Table B.2 - Concentration range .
...