EN 12175:2013
(Main)Chemicals used for treatment of water intended for human consumption - Hexafluorosilicic acid
Chemicals used for treatment of water intended for human consumption - Hexafluorosilicic acid
This European Standard is applicable to hexafluorosilicic acid used for treatment of water intended for human consumption. It describes the characteristics of hexafluorosilicic acid and specifies the requirements and the corresponding test methods for hexafluorosilicic acid. It gives information on its use in water treatment. It also determines the rules relating to safe handling and use of hexafluorosilicic acid (see Annex B).
Produkte zur Aufbereitung von Wasser für den menschlichen Gebrauch - Hexafluorkieselsäure
Diese Europäische Norm gilt für Hexafluorkieselsäure zur Aufbereitung von Wasser für den menschlichen Gebrauch. Es beschreibt die Eigenschaften von Hexafluorkieselsäure und legt die Anforderungen sowie die entsprechenden Prüfverfahren für Hexafluorkieselsäure fest. Es enthält Angaben zu deren Anwendung in der Wasseraufbereitung. Es legt darüber hinaus Regeln für die sichere Handhabung und Verwendung von Hexafluorkieselsäure fest (siehe Anhang B).
Produits chimiques utilisés pour le traitement de l'eau destinée à la consommation humaine - Acide hexafluorosilicique
La présente Norme européenne est applicable à l'acide hexafluorosilicique utilisé pour le traitement de l'eau destinée à la consommation humaine. Il décrit les caractéristiques de l'acide hexafluorosilicique et spécifie les exigences et les méthodes d'essai correspondant à l'acide hexafluorosilicique. Il donne des informations pour son emploi dans le traitement de l'eau. Il fixe également les règles relatives à la sécurité d’emploi et de manipulation de l'acide hexafluorosilicique (voir Annexe B).
Kemikalije, ki se uporabljajo za pripravo pitne vode - Heksafluorosilicijeva kislina
Ta evropski standard obravnava heksafluorosilicijevo kislino, ki se uporablja za pripravo pitne vode. Opisuje značilnosti heksafluorosilicijeve kisline ter določa zahteve in ustrezne preskusne metode zanjo. Vsebuje informacije za uporabo heksafluorosilicijeve kisline pri pripravi vode. Določa tudi pravila za varno ravnanje s heksafluorosilicijevo kislino in njeno uporabo.
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Standards Content (Sample)
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 - HexafluorkieselsäureProduits chimiques utilisés pour le traitement de l'eau destinée à 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 12175:2013SIST EN 12175:2014en,fr,de01-januar-2014SIST EN 12175:2014SLOVENSKI
STANDARDSIST EN 12175:20061DGRPHãþD
EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN 12175
May 2013 ICS 71.100.80 Supersedes EN 12175:2006English Version
Chemicals used for treatment of water intended for human consumption - Hexafluorosilicic acid
Produits chimiques utilisés pour le traitement de l'eau destinée à la consommation humaine - Acide hexafluorosilicique
Produkte zur Aufbereitung von Wasser für den menschlichen Gebrauch - Hexafluorkieselsäure This European Standard was approved by CEN on 28 March 2013.
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 bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC 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 translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions.
CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION EUROPÄISCHES KOMITEE FÜR NORMUNG
Management Centre:
Avenue Marnix 17,
B-1000 Brussels © 2013 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 12175:2013: ESIST EN 12175:2014
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 . 7 4.3 Impurities and main by-products . 7 4.4 Chemical parameters . 8 5 Test methods . 8 5.1 General . 8 5.2 Sampling . 8 5.3 Analyses . 9 6 Labelling - Transportation - Storage . 17 6.1 Means of delivery . 17 6.2 Labelling according to the EU legislation . 17 6.3 Transportation regulations and labelling . 17 6.4 Marking . 18 6.5 Storage . 18 Annex A (informative)
General information on hexafluorosilicic acid . 19 A.1 Origin . 19 A.2 Use . 19 Annex B (normative)
General rules relating to safety . 20 B.1 Rules for safe handling and use . 20 B.2 Emergency procedures . 20 Bibliography. 21
H2SiF6. 3.1.6 CAS-Registry Number1) 16961-83-4. 3.1.7 EINECS reference2) 241-034-8. 3.2 Commercial form The product is an aqueous solution. 3.3 Physical properties 3.3.1 Appearance and odour The product is a clear, colourless liquid with a pungent odour. 3.3.2 Density The density of a mass fraction 35 % solution at 25 °C is 1,35 g/ml. The density of a mass fraction 20 % solution at 25 °C is 1,18 g/ml. 3.3.3 Solubility (in water) The product is miscible in any proportion. 3.3.4 Vapour pressure The vapour pressure at 20 °C is approximately 3 kPa3). 3.3.5 Boiling point at 100 kPa The product boils and decomposes at 110 °C.
3.3.6 Crystallisation point A solution of mass fraction of 35 % crystallises at -30 °C and of a mass fraction of 20 % crystallises at -11,6 °C. 3.3.7 Specific heat Not known. 3.3.8 Viscosity dynamic A solution of a mass fraction of 20 % has a dynamic viscosity of 1,4 MPa.s at 25 °C.
1) Chemical Abstracts Service Registry Number. 2) European Inventory of Existing Commercial Chemical Substances. 3) 100 kPa = 1 bar. SIST EN 12175:2014
max. 0,75 Free hydrogen fluoride as HF
max. 1,5 SIST EN 12175:2014
mg/kg H2SiF6 (100 %)
Antimony (Sb) max. 80 Arsenic (As) max. 400 Cadmium (Cd) max. 40 Chromium (Cr) max. 400 Lead (Pb) max. 400 Mercury (Hg) max. 10 Nickel (Ni) max. 400 Selenium (S
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