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STANDARDSIST EN 1405:19991DGRPHãþD
SIST EN 1405:2009
EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 1405August 2009ICS 71.100.80Supersedes EN 1405:1998
English VersionChemicals used for treatment of water intended for humanconsumption - Sodium alginateProduits chimiques utilisés pour le traitement de l'eaudestinée à la consommation humaine - Alginate de sodiumProdukte zur Aufbereitung von Wasser für denmenschlichen Gebrauch - Natrium-AlginatThis European Standard was approved by CEN on 24 July 2009.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 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 translationunder the responsibility of a CEN member into its own language and notified to the CEN Management Centre has the same status as theofficial versions.CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, 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 United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMITÉ EUROPÉEN DE NORMALISATIONEUROPÄISCHES KOMITEE FÜR NORMUNGManagement Centre:
Avenue Marnix 17,
B-1000 Brussels© 2009 CENAll rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 1405:2009: ESIST EN 1405:2009
EN 1405:2009 (E) 2 Contents Page Foreword .3 Introduction .4 1 Scope .5 2 Normative references .5 3 Description .5 3.1 Identification .5 3.2 Commercial form .6 3.3 Physical properties .6 3.4 Chemical properties .7 4 Purity criteria .7 4.1 General .7 4.2 Composition of commercial product .8 4.3 Impurities and main by-products .8 4.4 Chemical Parameters .8 5 Test methods .8 5.1 Sampling .8 5.2 Analyses .
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