SIST EN 12906:2006
(Main)Products used for treatment of water intended for human consumption - Pumice
Products used for treatment of water intended for human consumption - Pumice
This European Standard is applicable to pumice used for treatment of water intended for human consumption. It describes the characteristics of pumice and specifies the requirements and the corresponding test methods for pumice. It gives information on its use in water treatment.
Produkte zur Aufbereitung von Wasser für den menschlichen Gebrauch - Bims
Diese Europäische Norm gilt für Bims zur Aufbereitung von Wasser für den menschlichen Gebrauch. Sie
beschreibt die Eigenschaften von Bims und legt die Anforderungen sowie die entsprechenden Prüfverfahren
für Bims fest. Sie gibt Informationen für seine Anwendung in der Wasseraufbereitung.
Produits utilisés pour le traitement de l'eau destinée a la consommation humaine - Pierre ponce
La présente Norme européenne s?applique a la pierre ponce utilisée pour le traitement de l?eau destinée a la
consommation humaine. Elle décrit les caractéristiques de la pierre ponce et spécifie les exigences et les
méthodes d'essai correspondantes pour la pierre ponce. Elle donne des informations pour son emploi dans le
traitement de l?eau.
Proizvodi, ki se uporabljajo za pripravo pitne vode – Plovec
General Information
Relations
Standards Content (Sample)
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
SIST EN 12906:2006
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
EN 12906:2005 (E) 2 Contents page Foreword.3 Introduction.4 1 Scope.5 2 Normative references.5 3 Terms, definitions and symbols.5 4 Description.5 5 Physical properties.5 6 Chemical properties.6 7 Test methods.7 8 Labelling, transportation and storage.7 Annex A (informative)
General information on pumice.9 Bibliography.13
SIST EN 12906:2006
EN 12906:2005 (E) 3 Foreword This European Standard (EN 12906:2005) has been prepared by Technical Committee CEN/TC 164 “Water supply”, the secretariat of which is held by AFNOR. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by April 2006, and conflicting national standards shall be withdrawn at the latest by April 2006. This European Standard supersedes EN 12906:1999. Significant technical difference between this edition and EN 12906:1999 is as follows: a) replacement of the reference to EU Directive 80/778/EEC of 15 July 1980 with the latest Directive in force (see [1]). According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: 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.
SIST EN 12906:2006
EN 12906:2005 (E) 4 Introduction In respect of potential adverse effects on the quality of water intended for human consumption, caused by the product covered by this European Standard: a) This European Standard provides no information as to whether the product may be used without restriction in any of the Member States of the EU or EFTA; b) It should be noted that, while awaiting the adoption of verifiable European criteria, existing national regulations concerning the use and/or the characteristics of this product remain in force. NOTE Conformity with this European Standard does not confer or imply acceptance or approval of the product in any of the Member States of the EU or EFTA. The use of the product covered by this European Standard is subject to regulation or control by National Authorities. SIST EN 12906:2006
EN 12906:2005 (E) 5 1 Scope This European Standard is applicable to pumice used for treatment of water intended for human consumption. It describes the characteristics of pumice and specifies the requirements and the corresponding test methods for pumice. It gives information on its use in water treatment. 2 Normative references The following referenced documents are indispensable for the application of this European Standard. For dated references, only the edition cited applies. For undated references the latest edition of the referenced document (including any amendments) applies. EN 12901:1999, Products used for treatment of water intended for human consumption - Inorganic supporting and filtering materials – Definitions EN 12902, Products used for treatment of water intended for human consumption - Inorganic supporting and filtering materials - Methods of test 3 Terms, definitions and symbols For the purposes of this European Standard, the terms, definitions and symbols given in EN 12901:1999 apply. 4 Description 4.1 Identification 4.1.1 Chemical name Aluminosilicate (AlxSiyOz). 4.1.2 Synonym or common names None. 4.2 Commercial forms Pumice according to this European Standard is a natural product and is available in different particle size ranges. 5 Physical properties 5.1 Appearance The product is a white to grey coloured granular material. The product has a granular shape, porous structure, smooth texture. The product shall be generally homogeneous and shall be visibly free of extraneous matter. SIST EN 12906:2006
EN 12906:2005 (E) 6 5.2 Particle size distribution The particle size distribution shall be determined on samples taken at the point of manufacture using the method of test given in EN 12902. NOTE 1 The particle size can decrease during transportation and handling. The particle size distribution shall be described by either: a) effective size: (d10)
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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