EN 12906:2005

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Proizvodi, ki se uporabljajo za pripravo pitne vode – PlovecProdukte zur Aufbereitung von Wasser für den menschlichen Gebrauch - BimsProduits utilisés pour le traitement de l'eau destinée a la consommation humaine - Pierre ponceProducts used for treatment of water intended for human consumption - Pumice71.100.80Chemicals for purification of water13.060.20Pitna vodaDrinking waterICS:Ta slovenski standard je istoveten z:EN 12906:2005SIST EN 12906:2006en01-marec-2006SIST EN 12906:2006SLOVENSKI
STANDARDSIST EN 12906:20001DGRPHãþD

EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 12906October 2005ICS 71.100.80Supersedes EN 12906:1999
English VersionProducts used for treatment of water intended for humanconsumption - PumiceProduits utilisés pour le traitement de l'eau destinée à laconsommation humaine - Pierre ponceProdukte zur Aufbereitung von Wasser für denmenschlichen Gebrauch - BimsThis European Standard was approved by CEN on 4 August 2005.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the Central Secretariat or to any CEN member.This European Standard exists in three official versions (English, French, German). A version in any other language made by translationunder the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the officialversions.CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France,Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia,Slovenia, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMITÉ EUROPÉEN DE NORMALISATIONEUROPÄISCHES KOMITEE FÜR NORMUNGManagement Centre: rue de Stassart, 36
B-1050 Brussels© 2005 CENAll rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 12906:2005: ESIST EN 12906:2006

General information on pumice.9 Bibliography.13
with a maximum deviation of ± 5 %;
uniformity coefficient: (U) which shall be less than 1,5;
minimum size: (d1) with a maximum deviation of ± 5 %; or b) by particle size range and by mass fraction of oversize and undersize particles according to application. The maximum contents of oversize and undersize shall be a mass fraction of 5% for
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