BS EN 12671-2009 Chemicals used for treatment of water intended for human consumption — 1.pdf
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1、BS EN 12671:2009 ICS 13.060.20; 71.100.80 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW BRITISH STANDARD Chemicals used for treatment of water intended for human consumption Chlorine dioxide generated in situ This British Standard was published under the authority of the Sta
2、ndards Policy and Strategy Committee on 30 June 2009. BSI 2009 ISBN 978 0 580 58195 3 Amendments/corrigenda issued since publication DateComments BS EN 12671:2009 National foreword This British Standard is the UK implementation of EN 12671:2009. It supersedes BS EN 12671:2000 which is withdrawn. The
3、 UK participation in its preparation was entrusted to Technical Committee CII/59, Chemicals for drinking water treatment. A list of organizations represented on this committee can be obtained on request to its secretary. This publication does not purport to include all the necessary provisions of a
4、contract. Users are responsible for its correct application. Compliance with a British Standard cannot confer immunity from legal obligations. BS EN 12671:2009 EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 12671 January 2009 ICS 71.100.80Supersedes EN 12671:2000 English Version Chemicals used
5、 for treatment of water intended for human consumption - Chlorine dioxide generated in situ Produits chimiques utiliss pour le traitement de leau destine la consommation humaine - Dioxyde de chlore produit sur site Produkte zur Aufbereitung von Wasser fr den menschlichen Gebrauch - Vor Ort erzeugtes
6、 Chlordioxid This European Standard was approved by CEN on 29 November 2008. 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 bibli
7、ographical references concerning such national standards may be obtained on application to the CEN 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
8、of a CEN member into its own language and notified to the CEN Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ire
9、land, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix
10、17, B-1000 Brussels 2009 CENAll rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 12671:2009: E BS EN 12671:2009 EN 12671:2009 (E) 2 Contents Page Foreword 3? Introduction . 4? 1?Scope 5? 2?Normative references 5? 3?Description . 5? 3.1?Iden
11、tification . 5? 3.2?Presentation form 6? 3.3?Physical properties 6? 3.4?Chemical properties 7? 4?Purity criteria 8? 4.1?General 8? 4.2?Composition of in-situ generated product 8? 4.3?Impurities and main by-products . 8? 4.4?Chemical parameters 8? 5?Test methods 9? 5.1?Sampling . 9? 5.2?Determination
12、 of chlorine dioxide and chlorite concentrations . 9? 6?Labelling - Storage - Distribution system . 12? 6.1?Risk and safety labelling according to the EU Directives 12? 6.2?Means of distribution 13? 6.3?Storage, stability 14? Annex A (informative) General information on chlorine dioxide 15? A.1?Orig
13、in 15? A.2?Use 16? A.3?Spectrometric method for specific determination of CIO2 16? A.4?Determination of chlorite and chlorate ions contents in aqueous chlorine dioxide as produced by the reactors . 19? Annex B (normative) General rules relating to safety. . 21? B.1?Rules for safe handling and use 21
14、? B.2?Emergency procedures . 21? Bibliography 22? w w w . b z f x w . c o m BS EN 12671:2009 EN 12671:2009 (E) 3 Foreword This document (EN 12671:2009) 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
15、 the status of a national standard, either by publication of an identical text or by endorsement, at the latest by July 2009, and conflicting national standards shall be withdrawn at the latest by July 2009. Attention is drawn to the possibility that some of the elements of this document may be the
16、subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. Significant technical differences between this edition and EN 12671:2000 are as follows: a) deletion of the reference to EU Directive 80/778/EEC of July 15,1980 in order to take
17、into account the latest Directive in force (see 1); This document supersedes EN 12671:2000. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Cyprus, Czech Repu
18、blic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. w w w . b z f x w . c o m BS EN 12671:2009 EN 12671
19、:2009 (E) 4 Introduction In respect of potential adverse effects on the quality of water intended for human consumption, caused by the product covered by this document: 1) this document provides no information as to whether the product may be used without restriction in any of the Member States of t
20、he 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. NOTE Conformity with this standard does not confer or imply acceptance or approval of t
21、he product in any of the Member States of the EU or EFTA. The use of the product covered by this document is subject to regulation or control by National Authorities. w w w . b z f x w . c o m BS EN 12671:2009 EN 12671:2009 (E) 5 1 Scope This document is applicable to chlorine dioxide generated on s
22、ite for treatment of water intended for human consumption. It describes the characteristics for chlorine dioxide and specifies the composition and the corresponding test methods for chlorine dioxide. It gives information on its use in water treatment. It also determines the rules relating to safe ha
23、ndling and use of chlorine dioxide generated on site (see Annex B). 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references the latest edition of the referenced docu
24、ment (including any amendments) applies. EN ISO 3696:1995, Water for analytical laboratory use Specification and test methods (ISO 3696:1987) ISO 3165, Sampling of chemical products for industrial use Safety in sampling ISO 6206, Chemical products for industrial use Sampling Vocabulary 3 Description
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