1、DEUTSCHE NORM No part of this standard may be reproduced without the prior permission ofDIN Deutsches Institut fr Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).March 2005DIN EN 891English price group 15 www.din.de ww
2、w.beuth.de07.05 9636413Document comprises 35 pages.Chemicals used for treatment of water intended for human consumptionIron(III) chloride sulfateEnglish version of DIN EN 891Produkte zur Aufbereitung von Wasser fr den menschlichen Gebrauch Eisen(III)chloridsulfatA comma is used as the decimal marker
3、.National forewordThis standard has been prepared by CEN/TC 164 Water supply (Secretariat: France).The responsible German body involved in its preparation was the Normenausschuss Wasserwesen (Water Practice Standards Committee), Technical Committee Wasseraufbereitung.Users of this standard should no
4、te that national regulations exist in Germany dealing with the character-istics and treatment of water for human consumption, such as the Verordnung zur Novellierung der Trink-wasserverordnung (German Regulation amending the German Drinking Water Regulation).DIN ISO 3696 is the standard correspondin
5、g to European Standard EN ISO 3696 referred to in clause 2 of the EN.AmendmentsThis standard differs from the April 1999 edition in that it has been editorially revised and references have been updated.Previous editionsDIN 19602: 1956-03, 1969-05, 1987-02; DIN EN 891: 1999-04.National Annex NADocume
6、nt referred to(and not included in Normative references and Bibliography)Verordnung zur Novellierung der Trinkwasserverordnung (German Regulation amending the German Drinking Water Regulation), as of 21 May 2001, BGBl. (German Federal Law Gazette) I, No. 24, pp. 959980ICS 71.100.80 Supersedes April
7、1999 edition.!,bc0“English versionICS 71.100.80 Supersedes EN 891 : 1998.Management Centre: rue de Stassart 36, B-1050 BrusselsEuropean Committee for StandardizationComit Europen de NormalisationEuropisches Komitee fr Normung 2004. CEN All rights of exploitation in any form and by any means reserved
8、 worldwide for CEN national members.Ref. No. EN 891 : 2004 EEN 891November 2004Chemicals used for treatment of water intended for human consumptionIron(III) chloride sulfateProduits chimiques utiliss pour le traitement de leau destine la con-sommation humaine Chlorosulfate de fer (III)Produkte zur A
9、ufbereitung von Was-ser fr den menschlichen Gebrauch Eisen(III)chloridsulfatThis European Standard was approved by CEN on 2004-09-30.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 sta
10、ndard without any alteration.Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the Management Centre or to any CEN member.The European Standards exist in three ofcial versions (English, French, German). A version in any other languag
11、e made by translation under the responsibility of a CEN member into its own language and notied to the Management Centre has the same status as the ofcial versions.CEN members are the national standards bodies of Austria, Belgium, Cyprus, the Czech Republic, Denmark, Estonia, Finland, France, German
12、y, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland, and the United Kingdom.Page 2 EN 891 : 2004334446811131631323434Page 3 EN 891 : 2004Page 4 EN 891 : 2004Page 5 EN 891 : 2004Pa
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