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).June 2005DIN EN 1207English price group 11 www.din.de ww
2、w.beuth.de10.05 9651165Continued overleaf.Document comprises 16 pages.Chemicals used for treatment of water intended for human consumptionTetrapotassium pyrophosphateEnglish version of DIN EN 1207Produkte zur Aufbereitung von Wasser fr den menschlichen Gebrauch TetrakaliumdiphosphatNational foreword
3、This 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 NAW IV 2 Wasseraufbereitung.Users of this standard should note that n
4、ational regulations exist in Germany dealing with the characteris-tics and treatment of water for human consumption, in particular the Trinkwasserverordnung (TrinkwV 2001) (German Drinking Water Regulation).The European and International Standards referred to in clause 2 of this standard have been p
5、ublished as the corresponding DIN EN, DIN EN ISO or DIN ISO Standards, except for those below, which correspond as follows:ISO Standard DIN StandardEN ISO 3696 DIN ISO 3696ISO 6703-1 DIN 38405-13ISO 9174 DIN EN 1233AmendmentsThis standard differs from the January 1998 edition as follows:a) The refer
6、ence to EU Directive 80/778/EEC of 15 July 1980 has been deleted.b) Normative references relating to the determination of mercury (EN 1483) and arsenic (EN ISO 11969) have been amended.Previous editionDIN EN 1207: 1998-01.ICS 71.100.80 Supersedes January 1998 edition.DEUTSCHE NORM Juni 2005DIN EN 12
7、07 ICSProdukte zur Aufbereitung von Wasser fr den menschlichen Gebrauch TetrakaliumdiphosphatChemicals used for treatment of water intended for human consumption Tetrapotassium pyrophosphate Gesamtumfang ? Seiten!,d.d“National Annex NA (informative)BibliographyDIN 38405-13 German standard methods fo
8、r the examination of water, waste water and sludge Anions (group D) Determination of cyanides (D 13)DIN EN 1233 Water quality Determination of chromium by atomic absorption spectrometryDIN ISO 3696 Water for analytical laboratory use Specication and test methods (ISO 3696:1987)Verordnung zur Novelli
9、erung der Trinkwasserverordnung (German Regulation amending the German Drinking Water Regulation), as of 21 May 2001, BGBl. (German Federal Law Gazette) I, No. 24, pp. 9599801)Page 2 DIN EN 1207:2005-061)Obtainable from Beuth Verlag GmbH, 10772 Berlin, Germany.English versionICS 71.100.80 Supersedes
10、 EN 1207:1997.Management Centre: rue de Stassart, 36 B-1050 BrusselsEuropean Committee for StandardizationComit Europen de NormalisationEuropisches Komitee fr Normung 2005. CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national members.Ref. No. EN 1207:2005 E
11、EN 1207March 2005Chemicals used for treatment of water intended for human consumptionTetrapotassium pyrophosphateProduits chimiques utiliss pour le traitement de leau destine la consommation humaine Pyrophos-phate ttrapotassiqueProdukte zur Aufbereitung von Was-ser fr den menschlichen Gebrauch Tetra
12、kaliumdiphosphatThis European Standard was approved by CEN on 2005-02-03.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 bibliograp
13、hical 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 language made by translation under the responsibility of a CEN memb
14、er 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, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuan
15、ia, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland, and the United Kingdom.Page 2 EN 1207:20052233467111314Page 3 EN 1207:2005Page 4 EN 1207:2005Page 5 EN 1207:2005Page 6 EN 1207:2005Page 7 EN 1207:2005Page 8 EN 1207:2005Page 9 EN 1207:2005Page 10 EN 1207:2005Page 11 EN 1207:2005Page 12 EN 1207:2005Page 13 EN 1207:2005Page 14 EN 1207:2005
