SIST EN 12905:2013
(Main)Products used for treatment of water intended for human consumption - Expanded aluminosilicate
Products used for treatment of water intended for human consumption - Expanded aluminosilicate
This European Standard is applicable to expanded aluminosilicate used for treatment of water intended for human consumption. It describes the characteristics of and specifies the requirements and the corresponding test methods for expanded aluminosilicate. It gives information on its use in water treatment.
Produkte zur Aufbereitung von Wasser für den menschlichen Gebrauch - Expandierte Aluminiumsilikate
Diese Europäische Norm gilt für expandierte Aluminiumsilikate zur Aufbereitung von Wasser für den menschlichen Gebrauch. Sie beschreibt die Eigenschaften von expandierten Aluminiumsilikaten und legt die Anforderungen sowie die entsprechenden Prüfverfahren für expandierte Aluminiumsilikate fest. Sie enthält Angaben zu dessen Anwendung in der Wasseraufbereitung.
Produits utilisés pour le traitement de l’eau destinée à la consommation humaine - Aluminosilicate expansé
La présente Norme européenne s’applique à l’aluminosilicate expansé utilisé pour le traitement de l’eau destinée à la consommation humaine. Elle décrit les caractéristiques de l’aluminosilicate expansé et spécifie les exigences et les méthodes d’essai correspondantes. Elle donne des informations sur son emploi dans le traitement de l’eau.
Proizvodi, ki se uporabljajo za pripravo pitne vode - Ekspandirani aluminijev silikat
Ta dokument obravnava ekspandirani aluminijev silikat, ki se uporablja za pripravo pitne vode. Opisuje značilnosti ekspandiranega aluminijevega silikata ter določa zahteve in ustrezne preskusne metode zanj. Standard podaja informacije o uporabi ekspandiranega aluminijevega silikata pri pripravi vode.
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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 - Ekspandirani aluminijev silikatProdukte zur Aufbereitung von Wasser für den menschlichen Gebrauch - Expandierte AluminiumsilikateProduits utilisés pour le traitement de l’eau destinée à la consommation humaine - Aluminosilicate expanséProducts used for treatment of water intended for human consumption - Expanded aluminosilicate71.100.80Chemicals for purification of water13.060.20Pitna vodaDrinking waterICS:Ta slovenski standard je istoveten z:EN 12905:2012SIST EN 12905:2013en,fr,de01-april-2013SIST EN 12905:2013SLOVENSKI
STANDARDSIST EN 12905:20061DGRPHãþD
SIST EN 12905:2013
EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN 12905
October 2012 ICS 71.100.80 Supersedes EN 12905:2005English Version
Products used for treatment of water intended for human consumption - Expanded aluminosilicate
Produits utilisés pour le traitement de l'eau destinée à la consommation humaine - Aluminosilicate expansé
Produkte zur Aufbereitung von Wasser für den menschlichen Gebrauch - Expandierte Aluminiumsilikate This European Standard was approved by CEN on 9 September 2012.
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 © 2012 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 12905:2012: ESIST EN 12905:2013
EN 12905:2012 (E) 2 Contents Page Foreword . 3Introduction . 41Scope . 52Normative references . 53Terms, definitions and symbols . 54Description . 55Physical properties . 56Chemical properties . 67Test methods . 78Labelling, transportation and storage . 7Annex A (informative)
General information on expanded aluminosilicate . 9Bibliography . 12 SIST EN 12905:2013
EN 12905:2012 (E) 3 Foreword This document (EN 12905:2012) 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 2013, and conflicting national standards shall be withdrawn at the latest by April 2013. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN [and/or CENELEC] shall not be held responsible for identifying any or all such patent rights. This document supersedes EN 12905:2005. The significant technical difference between this edition and EN 12905:2005 is as follows: Updating of 8.2 in line with current legislation. According to the CEN/CENELEC Internal Regulations, the national standards organisations of the following countries are bound to implement this European Standard: 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 the United Kingdom. SIST EN 12905:2013
EN 12905:2012 (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 12905:2013
EN 12905:2012 (E) 5 1 Scope This European Standard is applicable to expanded aluminosilicate used for treatment of water intended for human consumption. It describes the characteristics of and specifies the requirements and the corresponding test methods for expanded aluminosilicate. It gives information on its use in water treatment. 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. 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 document, 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 Expanded clay, expanded slate. 4.2 Commercial forms Expanded aluminosilicate according to this European Standard is available in different particle size ranges. 5 Physical properties 5.1 Appearance Grey-brown to red-brown coloured granular material. Spherical or angular shape, crystalline structure, smooth or rough texture. The product shall be generally homogeneous and shall be visibly free of extraneous matter. SIST EN 12905:2013
EN 12905:2012 (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 und
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