Chemicals used for treatment of water intended for human consumption - Aluminium iron(III) sulfate

This European Standard is applicable to aluminium iron(III) sulfate used for treatment of water intended for human consumption. It describes the characteristics of aluminium iron(III) sulfate and specifies the requirements for aluminium iron(III) sulfate and refers to the corresponding analytical methods. It also gives information on its use in water treatment.

Produkte zur Aufbereitung von Wasser für den menschlichen Gebrauch - Aluminium-Eisen(III)-sulfat

Diese Europäische Norm gilt für Aluminium-Eisen(III)-sulfat zur Aufbereitung von Wasser für den menschlichen Gebrauch. Sie beschreibt die Eigenschaften von Aluminium-Eisen(III)-sulfat, legt Anforderungen für Aluminium-Eisen(III)-sulfat 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 - Sulfate d'aluminium et de fer(III)

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

Kemikalije, ki se uporabljajo za pripravo pitne vode – Aluminijev železov (III) sulfat

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Withdrawn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 887:2002
01-december-2002
Kemikalije, ki se uporabljajo za pripravo pitne vode – Aluminijev železov (III) sulfat
Chemicals used for treatment of water intended for human consumption - Aluminium iron
(III) sulfate
Produkte zur Aufbereitung von Wasser für den menschlichen Gebrauch - Aluminium-
Eisen(III)-sulfat
Produits chimiques utilisés pour le traitement de l'eau destinée a la consommation
humaine - Sulfate d'aluminium et de fer(III)
Ta slovenski standard je istoveten z: EN 887:2001
ICS:
13.060.20 Pitna voda Drinking water
71.100.80 .HPLNDOLMH]DþLãþHQMHYRGH Chemicals for purification of
water
SIST EN 887:2002 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN 887:2002

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SIST EN 887:2002
EUROPEAN STANDARD
EN 887
NORME EUROPÉENNE
EUROPÄISCHE NORM
October 2001
ICS 71.100.80
English version
Chemicals used for treatment of water intended for human
consumption - Aluminium iron(III) sulfate
Produits chimiques utilisés pour le traitement de l'eau Produkte zur Aufbereitung von Wasser für den
destinée à la consommation humaine - Sulfate d'aluminium menschlichen Gebrauch - Aluminium-Eisen(III)-sulfat
et de fer(III)
This European Standard was approved by CEN on 29 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 887:2001 E
worldwide for CEN national Members.

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SIST EN 887:2002
EN 887:2001 (E)
Contents
page
Foreword.3
Introduction .4
1 Scope .5
2 Normative references .5
3 Description .5
3.1 Identification.5
3.2 Commercial forms .6
3.3 Physical properties.6
3.4 Chemical properties .7
4 Purity criteria.8
4.1 General.8
4.2 Composition of commercial product .8
4.3 Impurities and main by-products .8
4.4 Toxic substances.8
5 Test methods.9
5.1 Sampling.9
5.2 Analyses .10
6 Labelling - Transportation - Storage.10
6.1 Means of delivery.10
6.2 Risk and safety labelling according to the EU directives .10
6.3 Transportation regulations and labelling .11
6.4 Marking .11
6.5 Storage.12
Annex A (informative)  General information on aluminium iron(III) sulfate.13
Annex B (normative)  General rules relating to safety .15
Bibliography .16
2

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SIST EN 887:2002
EN 887:2001 (E)
Foreword
This European Standard 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/EEC (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/EEC (see [3]).
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 887:2002
EN 887:2001 (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 :
a) 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 ;
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.
4

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SIST EN 887:2002
EN 887:2001 (E)
1 Scope
This European Standard is applicable to aluminium iron(III) sulfate used for treatment of water intended for human
consumption. It describes the characteristics of aluminium iron(III) sulfate and specifies the requirements for
aluminium iron(III) sulfate and refers to the corresponding 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 places 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.
ISO 8213, Chemical products for industrial use - Sampling techniques - Solid chemical products in the form of
particles varying from powders to coarse lumps.
3 Description
3.1 Identification
3.1.1 Chemical name
Aluminium iron(III) sulfate.
3.1.2 Synonym or common name
Aluminium and iron sulfate.
3.1.3 Relative molecular mass
Variable (see 3.1.4).
3.1.4 Empirical formula
(Al Fe ) (SO ) where x is 0,70 to 0,95.
x 1-x 2 4 3
3.1.5 Chemical formula
xAl (SO ) . (1 - x) Fe (SO ) . n H O where n is variable and x varies from 0,70 to 0,95.
2 4 3 2 4 3 2
5

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SIST EN 887:2002
EN 887:2001 (E)
)
1
3.1.6 CAS Registry Number
The following is a list of CAS Registry Numbers for the components:
Al (SO ) : 10043-01-3;
2 4 3
Fe (SO ) : 10028-22-5.
2 4 3
2)
3.1.7 EINECS reference
The following is a list of EINECS reference numbers for the components:
Al (SO ) : 233-135-0;
2 4 3
Fe (SO ) : 233-072-9.
2 4 3
3.2 Commercial forms
Aluminium iron(III) sulfate is available in solid hydrated forms, with different particle sizes (slabs, kibbled, ground,
granulated), and as aqueous solutions.
3.3 Physical properties
3.3.1 Appearance
The product is a yellow to brown solid or liquid.
3.3.2 Density
The density of aluminium iron(III) sulfate solution varies depending on the composition.
For example :
 1,330 g/ml for (36 g Al + 15 g Fe) per kilogram of solution at 15 °C.
3
The bulk density (loose) of granulated solid product is approximately 0,9 g/cm .
3.3.3 Solubility in water
The solubility of aluminium iron(III) sulfate varies depending on the content of iron.
For example :
 for a solid form containing 72 g of aluminium and 30 g of iron per kilogram of product, at 0 °C the solubility is :
 Al 36 g/kg of solution ;
 Fe 15 g/kg of solution.
3.3.4 Vapour pressure at 20 °C
Not known.

1)
Chemical Abstracts Service Registry Number.
2)
European Inventory of Existing Commercial Chemical Substances.
6

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SIST EN 887:2002
EN 887:2001 (E)
3)
3.3.5 Boiling point at 100 kPa
120 °C for a saturated solution.
3.3.6 Crystallization point
The crystallization point of aluminium iron(III) sulfate varies, depending on the composition.
For example :
 13 °C for composition (36 g Al + 15 g Fe) per kilogram of product.
3.3.7 Specific heat
Not known.
3.3.8 Viscosity (dynamic)
The viscosity of aluminium iron(III) sulfate solution varies greatly, depending on the composition and content of
insoluble matters.
For a typical commercially available solution with a composition of (36 g Al + 15 g Fe) per kilogram of solution, the
viscosity is given in Table 1.
Table 1 — Viscosity
Temperature Viscosity
(°C) (mPa·s)
- 5 62
049
10 29
3.3.9
...

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