SIST EN 12175:2001

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Kemikalije, ki se uporabljajo za pripravo pitne vode - Heksafluorosilicijeva kislinaProdukte zur Aufbereitung von Wasser für den menschlichen Gebrauch - HexafluorokieselsäureProduits chimiques utilisés pour le traitement de l'eau destinée a la consommation humaine - Acide hexafluorosiliciqueChemicals used for treatment of water intended for human consumption - Hexafluorosilicic acid71.100.80Chemicals for purification of water13.060.20Pitna vodaDrinking waterICS:Ta slovenski standard je istoveten z:EN 12175:2001SIST EN 12175:2001en01-december-2001SIST EN 12175:2001SLOVENSKI
STANDARD
EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 12175August 2001ICS 71.100.80English versionChemicals used for treatment of water intended for humanconsumption - Hexafluorosilicic acidProduits chimiques utilisés pour le traitement de l'eaudestinée à la consommation humaine - AcidehexafluorosiliciqueProdukte zur Aufbereitung von Wasser für denmenschlichen Gebrauch - HexafluorokieselsäureThis European Standard was approved by CEN on 23 June 2001.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 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 Management Centre has the same status as the officialversions.CEN members are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece,Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMITÉ EUROPÉEN DE NORMALISATIONEUROPÄISCHES KOMITEE FÜR NORMUNGManagement Centre: rue de Stassart, 36
B-1050 Brussels© 2001 CENAll rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 12175:2001 ESIST EN 12175:2001

General information on hexafluorosilicic acid.18A.1Origin.18A.2Use.18Annex B (normative)
General rules relating to safety.19B.1Rules for safe handling and use.19B.2Emergency procedures.19Bibliography.20SIST EN 12175:2001

1) Chemical Abstracts Service Registry Number.2) European Inventory of Existing Commercial Chemical Substances.3) 100 kPa = 1 bar.SIST EN 12175:2001

5 % of the manufacturer's declared value.4.2 Impurities and main by-productsThe product shall conform to the requirements specified in Table 1.Table 1 — ImpuritiesImpurityLimit in % (m/m) commercial productPhosphate as P2O5
max.0,75Free hydrogen fluoride as HF
max.1,5SIST EN 12175:2001
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