Chemicals used for treatment of water intended for human consumption - Polyaluminium chloride hydroxide silicate

This European Standard is applicable to polyaluminium chloride hydroxide silicate used for treatment of water intended for human consumption. It describes the characteristics of polyaluminium chloride hydroxide silicate and specifies the requirements for polyaluminium chloride hydroxide silicate and refers to the analytical methods. It also gives information on its use in water treatment.

Produkte zur Aufbereitung von Wasser für den menschlichen Gebrauch - Polyaluminiumhydroxidchloridsilikat

Diese Europäische Norm gilt für Polyaluminiumhydroxidchloridsilikat zur Aufbereitung von Wasser für den menschlichen Gebrauch. Sie beschreibt die Eigenschaften von Polyaluminiumhydroxidchloridsilikat, legt Anforderungen für Polyaluminiumhydroxidchloridsilikat fest und gibt Hinweise auf entsprechende analytische Methoden. Sie gibt Informationen für die Anwendung in der Wasseraufbereitung.

Produits chimiques utilisés pour le traitement de l'eau destinée a la consommation humaine - Polyhydroxychlorosilicate d'aluminium

La présente Norme européenne est applicable au polyhydroxychlorosilicate d'aluminium utilisé pour le traitement de l'eau destinée a la consommation humaine. Elle décrit les caractéristiques du polyhydroxychlorosilicate d'aluminium et précise les prescriptions et donne la référence des méthodes d'analyse. Elle donne des informations pour son emploi dans le traitement de l'eau.

Kemikalije, ki se uporabljajo za pripravo pitne vode – Polialuminijev klorid hidroksid silikat

General Information

Status
Withdrawn
Publication Date
30-Nov-2002
Withdrawal Date
28-Feb-2005
Current Stage
9900 - Withdrawal (Adopted Project)
Start Date
01-Mar-2005
Due Date
01-Mar-2005
Completion Date
01-Mar-2005

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SLOVENSKI STANDARD
SIST EN 885:2002
01-december-2002
Kemikalije, ki se uporabljajo za pripravo pitne vode – Polialuminijev klorid
hidroksid silikat
Chemicals used for treatment of water intended for human consumption - Polyaluminium
chloride hydroxide silicate
Produkte zur Aufbereitung von Wasser für den menschlichen Gebrauch -
Polyaluminiumhydroxidchloridsilikat
Produits chimiques utilisés pour le traitement de l'eau destinée a la consommation
humaine - Polyhydroxychlorosilicate d'aluminium
Ta slovenski standard je istoveten z: EN 885:2001
ICS:
13.060.20 Pitna voda Drinking water
71.100.80 .HPLNDOLMH]DþLãþHQMHYRGH Chemicals for purification of
water
SIST EN 885:2002 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN 885:2002

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SIST EN 885:2002
EUROPEAN STANDARD
EN 885
NORME EUROPÉENNE
EUROPÄISCHE NORM
October 2001
ICS 71.100.80
English version
Chemicals used for treatment of water intended for human
consumption - Polyaluminium chloride hydroxide silicate
Produits chimiques utilisés pour le traitement de l'eau Produkte zur Aufbereitung von Wasser für den
destinée à la consommation humaine - menschlichen Gebrauch -
Polyhydroxychlorosilicate d'aluminium Polyaluminiumhydroxidchloridsilikat
This European Standard was approved by CEN on 2 September 2001.
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 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 Management Centre has the same status as the official
versions.
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 STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
Management Centre: rue de Stassart, 36  B-1050 Brussels
© 2001 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 885:2001 E
worldwide for CEN national Members.

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SIST EN 885:2002
EN 885:2001 (E)
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 .7
4.3 Impurities and main by-products .7
4.4 Toxic substances.8
5 Test methods.8
5.1 Sampling.8
5.2 Analyses .9
6 Labelling - Transportation - Storage.9
6.1 Means of delivery.9
6.2 Risk and safety labelling according to the EU-Directives .10
6.3 Transportation regulations and labelling .10
6.4 Marking .11
6.5 Storage.11
Annex A (informative)  General information on polyaluminium chloride hydroxide silicate .12
Annex B (normative)  General rules relating to safety .14
Bibliography .15
2

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SIST EN 885:2002
EN 885:2001 (E)
Foreword
This document 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 2002, and conflicting national standards shall be withdrawn at the latest by
April 2002.
This European Standard refers to the EU Directive 80/778/EC (see [1]) of 15 July 1980, however it will be revised
in future in order to take account of the new EU Directive 98/83/EC (see[2]).
Annex A is informative.
Annex B is normative.
According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following
countries are bound to implement this European Standard: Austria, Belgium, Czech Republic, Denmark, Finland,
France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden,
Switzerland and the United Kingdom.
3

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SIST EN 885:2002
EN 885:2001 (E)
Introduction
In respect of potential adverse effects on the quality of water intended for human consumption, caused by the
product covered by this standard :
1) this 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 ;
2) 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.
4

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SIST EN 885:2002
EN 885:2001 (E)
1 Scope
This European Standard is applicable to polyaluminium chloride hydroxide silicate used for treatment of water
intended for human consumption. It describes the characteristics of polyaluminium chloride hydroxide silicate and
specifies the requirements for polyaluminium chloride hydroxide silicate and refers to the analytical methods. It also
gives information on its use in water treatment.
2 Normative references
This European Standard incorporates, by dated or undated reference, provisions from other publications. These
normative references are cited at the appropriate place in the text, and the publications are listed hereafter. For
dated references, subsequent amendments to or revisions of any of these publications apply to this European
Standard only when incorporated in it by amendment or revision. For undated references the latest edition of the
publication referred to applies (including amendments).
EN 1302, Chemicals used for treatment of water intended for human consumption – Aluminium-based coagulants –
Analytical methods.
ISO 3165, Sampling of chemical products for industrial use – Safety in sampling.
ISO 6206, Chemical products for industrial use – Sampling – Vocabulary.
3 Description
3.1 Identification
3.1.1 Chemical name
Polyaluminium chloride hydroxide silicate.
3.1.2 Synonym or common name
Polyaluminium silicate chloride.
3.1.3 Relative molecular mass
Variable (see 3.1.4).
3.1.4 Empirical formula
Al(Na) (OH) (SiOx) Cl with a + b + 2c (x – 2) = 3 + d
d a c b
and
a = 1,05 to 2,4
b = 0,5 to 3
c = 0,01 to 0,3
d = 0,005 to 2
x  2
5

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SIST EN 885:2002
EN 885:2001 (E)
3.1.5 Chemical formula
Variable (see 3.1.4).
1)
3.1.6 CAS Registry Number
Aluminium chloride hydroxide silicate : 94894-80-1.
2)
3.1.7 EINECS reference
The following is a list of EINECS reference numbers for products or their starting materials.
Aluminium hydroxide chloride : 215-477-2.
Aluminosilicate : 215-475-1.
Sodium chloride : 231-598-3.
3.2 Commercial form
The product is available as a liquid.
3.3 Physical properties
3.3.1 Appearance
Polyaluminium chloride hydroxide silicate is a colourless to yellow, clear liquid.
3.3.2 Density
The density depends on the particular composition, especially the aluminium ion content, expressed as percentage
by mass (% (m/m)) of aluminium.
Typical values are 1,20 g/ml to 1,25 g/ml for Al 5,3 % (m/m).
3.3.3 Solubility in water
Polyaluminium chloride hydroxide silicate is fully miscible with water.
NOTE Depending on the particular product, dilute solutions can hydrolyse and form a precipitate.
3.3.4 Vapour pressure at 20 °C
Not known.
3)
3.3.5 Boiling point at 100 kPa
100 °C.

1)
Chemical Abstracts Service Registry Number.
2)
European Inventory of Existing Commercial Chemical Substances.
3)
100 kPa = 1 bar.
6

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SIST EN 885:2002
EN 885:2001 (E)
3.3.6 Crystallization point
Typic
...

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