BS EN 12913-2012 Products used for treatment of water intended for human consumption Powdered diatomaceous earth《用于人类消费用水处理的产品 粒状含硅藻土》.pdf
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1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationBS EN 12913:2012Products used for treatmentof water intended for humanconsumption Powdereddiatomaceous earthCopyright European Committee for Standardization Provided by IHS under
2、 license with CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-BS EN 12913:2012 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN 12913:2012. Itsupersedes BS EN 12913:2005 which is withdrawn.The UK participation in its preparat
3、ion was entrusted to TechnicalCommittee CII/59, Chemicals for drinking water treatment.A list of organizations represented on this committee can beobtained on request to its secretary.This publication does not purport to include all the necessaryprovisions of a contract. Users are responsible for it
4、s correctapplication. The British Standards Institution 2013. Published by BSI StandardsLimited 2013ISBN 978 0 580 77574 1ICS 13.060.20; 71.100.80Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of theStandards Po
5、licy and Strategy Committee on 31 January 2013.Amendments issued since publicationDate Text affectedCopyright European Committee for Standardization Provided by IHS under license with CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-BS EN 12913:2012EUROPEAN STAND
6、ARD NORME EUROPENNE EUROPISCHE NORM EN 12913 November 2012 ICS 71.100.80 Supersedes EN 12913:2005English Version Products used for treatment of water intended for human consumption - Powdered diatomaceous earth Produits utiliss pour le traitement de leau destine la consommation humaine - Terre de di
7、atomes en poudre Produkte zur Aufbereitung von Wasser fr den menschlichen Gebrauch - Kieselgur, pulverfrmig This European Standard was approved by CEN on 9 September 2012. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this Europea
8、n 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 (
9、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, Belgi
10、um, 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, Switzer
11、land, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2012 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref
12、. No. EN 12913:2012: ECopyright European Committee for Standardization Provided by IHS under license with CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-BS EN 12913:2012EN 12913:2012 (E) 2 Contents Page Foreword 3Introduction . 41 Scope 52 Normative references
13、53 Terms, definitions and symbols . 54 Description . 55 Physical properties 66 Chemical properties 67 Specific properties. 78 Test methods 79 Labelling, transportation and storage . 8Annex A (informative) General information on powdered diatomaceous earth . 10Annex B (normative) General rules relati
14、ng to safety . 12Bibliography 13Copyright European Committee for Standardization Provided by IHS under license with CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-BS EN 12913:2012EN 12913:2012 (E) 3 Foreword This document (EN 12913:2012) has been prepared by Te
15、chnical 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 May 2013, and conflicting national standards shall be withdr
16、awn at the latest by May 2013. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. This document supersedes EN 12913:2005. The significant
17、 technical difference between this edition and EN 12913:2005 is as follows: Updating of 9.2 in line with current legislation. According to the CEN/CENELEC Internal Regulations, the national standards organisations of the following countries are bound to implement this European Standard: Austria, Bel
18、gium, 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, Switz
19、erland, Turkey and the United Kingdom. Copyright European Committee for Standardization Provided by IHS under license with CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-BS EN 12913:2012EN 12913:2012 (E) 4 Introduction In respect of potential adverse effects on
20、 the quality of water intended for human consumption caused by the product covered by this European Standard: a) this European 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; b) it should be noted that, while a
21、waiting 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 European Standard does not confer or imply acceptance or approval of the product in any of the Member States of
22、 the EU or EFTA. The use of the product covered by this European Standard is subject to regulation or control by National Authorities. Copyright European Committee for Standardization Provided by IHS under license with CENNot for ResaleNo reproduction or networking permitted without license from IHS
23、-,-,-BS EN 12913:2012EN 12913:2012 (E) 5 1 Scope This European Standard is applicable to powdered diatomaceous earth used for treatment of water intended for human consumption. It describes the characteristics of powdered diatomaceous earth and specifies the requirements and the corresponding test m
24、ethods for powdered diatomaceous earth and gives information on its use in water treatment. It also determines the rules relating to safe handling and use of powdered diatomaceous earth (see Annex B). 2 Normative references The following documents, in whole or in part, are normatively referenced in
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