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ČESKÁ TECHNICKÁ NORMA |
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ICS 71.100.80 |
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Duben 1998 |
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Chemické výrobky používané |
ČSN 75 5803 |
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Chemicals used for treatment of water intended for human consumption - Sodium aluminate
Produits chimiques utilisés pour le traitement de l'eau destinée à la consommation humaine - Aluminate de sodium
Produkte zur Aufbereitung von Wasser für den menschlichen Gebrauch - Natriumaluminat
Tato norma přejímá anglickou verzi evropské normy EN 882:1997. Evropská norma EN 882:1997 má status české technické normy.
This standard implements the English version of the European Standard EN 882:1997. The European Standard EN 882:1997 has the status of a Czech Standard.
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Ó Český normalizační institut, 1998
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51681 |
Národní předmluva
Citované normy
prEN 1302 dosud nezavedena
ISO 3165 zavedena v ČSN ISO 3165 Odběr vzorků chemických výrobků technických - Bezpečnost při odběru vzorků (65 0105)
ISO 6206 dosud nezavedena
ISO 8213 dosud nezavedena
Vypracování normy
Zpracovatel: Hydroprojekt a. s., Praha, IČO 4527 4576, Ing. Vladimír Beneš
Technická normalizační komise: TNK č. 84 Vodárenství
TNK č. 104 Jakost vod
Pracovník Českého normalizačního institutu: Ing. Oldřich Čermák
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EUROPEAN STANDARD |
EN 882 |
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NORME EUROPÉENNE |
February 1997 |
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EUROPÄISCHE NORM |
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ICS 71.100.80
Descriptors: potable water, water treatment, chemical compounds, aluminates, sodium, description, physical properties, chemical properties, impurities, toxic substances, tests, labelling, storage, utilization
English version
Chemicals used for treatment of water intended for human consumption - Sodium aluminate
Produits chimiques utilisés pour le traitement de l'eau destinée à la consommation humaine - Aluminate de sodium
Produkte zur Aufbereitung von Wasser für den menschlichen Gebrauch - Natriumaluminat
This European Standard was approved by CEN on 1997-01-17. 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.
The European Standards exist 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, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom.
CEN
European Committee for Standardization
Comité Européen de Normalisation
Europäisches Komitee für Normung
Central Secretariat: rue de Stassart, 36 B-1050 Brussels
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Ó 1997 Copyright reserved to CEN members Ref. No. EN 882:1997 E
Obsah |
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strana |
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Foreword |
3 |
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Introduction |
3 |
1 |
Scope |
3 |
2 |
Normative references |
3 |
3 |
Description |
4 |
3.1 |
Identification |
4 |
3.2 |
Commercial form |
4 |
3.3 |
Physical properties |
4 |
3.4 |
Chemical properties |
6 |
4 |
Purity criteria |
6 |
4.1 |
General |
6 |
4.2 |
Composition of commercial product |
7 |
4.3 |
Impurities and main by-products |
7 |
4.4 |
Toxic substances |
7 |
5 |
Test methods |
8 |
5.1 |
Sampling |
8 |
5.2 |
Analyses |
9 |
6 |
Labelling - Transportation - Storage |
9 |
6.1 |
Means of delivery |
9 |
6.2 |
Risk and safety labelling in accordance with EU-Directives 4) |
9 |
6.3 |
Transportation regulations and labelling |
10 |
6.4 |
Marking |
10 |
6.5 |
Storage |
11 |
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Annex A (informative) General information on sodium aluminate |
12 |
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A.1 Origin |
12 |
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A.2 Use |
12 |
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A.3 Rules for safe handling and use |
13 |
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A.4 Emergency procedures |
13 |
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Annex B (informative) Bibliography |
15 |
Foreword
This European Standard 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 August 1997, and conflicting national standards shall be withdrawn at the latest by August 1997.
According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom.
Introduction
In respect of potential adverse effects on the quality of water intended for human consumption, caused by the product covered by this standard:
1) this standard provides no information as to whether the product may be used without restriction in any of the Member States of the EU or EFTA;
2) it should be noted that, while awaiting the adoption of verifiable European criteria, existing national regulations concerning the use and/or the characteristics of this product remain in force.
1 Scope
This European Standard describes the characteristics and specifies the requirements of sodium aluminate used for treatment of water intended for human consumption and gives reference to the analytical methods. It gives information on their use in water treatment.
-- Vynechaný text --
Zdroj: www.cni.cz