Chemicals used for treatment of water intended for human consumption - Iron (III) chloride

This document is applicable to iron (III) chloride solution a) and iron (III) chloride hexahydrate b) used for treatment of water intended for human consumption. It describes the characteristics and specifies the requirements and the corresponding analytical methods for iron (III) chlorides a) and b) and gives information for their use in water treatment. It also determines the rules relating to safe handling and use of iron (III) chloride.

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

Dieses Dokument ist anzuwenden für Eisen(III)chloridlösung a) und Eisen(III)chloridhexahydrat b) zur Aufbereitung von Wasser für den menschlichen Gebrauch. Es beschreibt die Eigenschaften von Eisen(III)chlorid a) und b) und legt die Anforderungen sowie die entsprechenden Analysenverfahren für Eisen(III)chlorid a) und b) fest. Es enthält Angaben für dessen Anwendung in der Wasseraufbereitung. Es legt darüber hinaus Regeln für die sichere Handhabung und Verwendung von Eisen(III)chlorid fest.

Produits chimiques utilisés pour le traitement de l'eau destinée à la consommation humaine - Chlorure de fer (III)

Le présent document est applicable au chlorure de fer (III) liquide a) et au chlorure de fer (III) hexahydraté b), utilisés pour le traitement de l'eau destinée à la consommation humaine. Il décrit les caractéristiques et spécifie les exigences et les méthodes d'analyse correspondantes pour les chlorures de fer (III) a) et b) et donne les informations pour leur utilisation dans le traitement de l'eau. Il fixe également les règles relatives à la sécurité de manipulation et d’utilisation du chlorure de fer (III).

Kemikalije, ki se uporabljajo za pripravo pitne vode - Železov (III) klorid

Ta dokument se uporablja za železov (III) klorid (a), železov (III) klorid heksahidrat (b), raztopino železovega (III) klorida (c), ki se uporabljajo za pripravo pitne vode. Opisuje značilnosti, določa zahteve in ustrezne analitične metode za železove (III) kloride (a), (b) in (c) in podaja informacije glede njihove uporabe pri pripravi vode.

General Information

Status
Published
Publication Date
14-Feb-2023
Current Stage
6060 - Definitive text made available (DAV) - Publishing
Start Date
15-Feb-2023
Due Date
04-Aug-2021
Completion Date
15-Feb-2023

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SLOVENSKI STANDARD
SIST EN 888:2023
01-maj-2023
Nadomešča:
SIST EN 888:2005
Kemikalije, ki se uporabljajo za pripravo pitne vode - Železov (III) klorid
Chemicals used for treatment of water intended for human consumption - Iron (III)
chloride
Produkte zur Aufbereitung von Wasser für den menschlichen Gebrauch - Eisen(III)chlorid
Produits chimiques utilisés pour le traitement de l'eau destinée à la consommation
humaine - Chlorure de fer (III)
Ta slovenski standard je istoveten z: EN 888:2023
ICS:
13.060.20 Pitna voda Drinking water
71.100.80 Kemikalije za čiščenje vode Chemicals for purification of
water
SIST EN 888:2023 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

---------------------- Page: 1 ----------------------
SIST EN 888:2023

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SIST EN 888:2023


EN 888
EUROPEAN STANDARD

NORME EUROPÉENNE

February 2023
EUROPÄISCHE NORM
ICS 71.100.80 Supersedes EN 888:2004
English Version

Chemicals used for treatment of water intended for human
consumption - Iron (III) chloride
Produits chimiques utilisés pour le traitement de l'eau Produkte zur Aufbereitung von Wasser für den
destinée à la consommation humaine - Chlorure de fer menschlichen Gebrauch - Eisen(III)chlorid
(III)
This European Standard was approved by CEN on 25 December 2022.

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, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and
United Kingdom.





EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2023 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 888:2023 E
worldwide for CEN national Members.

---------------------- Page: 3 ----------------------
SIST EN 888:2023
EN 888:2023 (E)
Contents Page
European foreword . 4
Introduction . 5
1 Scope . 6
2 Normative references . 6
3 Terms and definitions . 6
4 Description . 6
4.1 Identification . 6
4.1.1 Chemical names . 6
4.1.2 Synonym or common names . 6
4.1.3 Relative molecular mass . 6
4.1.4 Empirical formula . 7
4.1.5 Chemical formula . 7
4.1.6 CAS Registry Number . 7
4.1.7 EINECS reference . 7
4.2 Commercial forms . 7
4.3 Physical properties . 7
4.3.1 Appearance . 7
4.3.2 Density . 7
4.3.3 Solubility (in water) . 7
4.3.4 Vapour pressure . 8
4.3.5 Boiling point at 100 kPa . 8
4.3.6 Melting and freezing point . 8
4.3.7 Specific heat . 8
4.3.8 Viscosity (dynamic) . 8
4.3.9 Critical temperature . 8
4.3.10 Critical pressure . 8
4.3.11 Physical hardness . 8
4.4 Chemical properties . 8
5 Purity criteria . 8
5.1 General . 8
5.2 Composition of commercial product . 9
5.3 The grade of the product . 9
5.4 The type of the product . 9
6 Test methods . 10
6.1 Sampling . 10
6.2 Analyses . 10
7 Labelling - Transportation - Storage . 10
7.1 Means of delivery . 10
7.2 Risk and safety labelling according to the EU Directives . 10
7.3 Transportation regulations and labelling . 12
7.4 Marking . 12
7.5 Storage . 12
7.5.1 Long term stability . 12
2

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SIST EN 888:2023
EN 888:2023 (E)
7.5.2 Storage incompatibilities . 12
Annex A (informative) General information on iron (III) chloride . 13
A.1 Origin . 13
A.1.1 Raw materials . 13
A.2 Manufacturing process . 13
A.2.1 General . 13
A.2.2 Quality of commercial product . 13
A.3 Use . 15
A.3.1 Function . 15
A.3.2 Form in which it is used. 15
A.3.3 Treatment dose . 15
A.3.4 Means of application . 15
A.3.5 Secondary effects . 15
A.3.6 Removal of excess product . 16
Annex B (normative) General rules relating to safety . 17
B.1 Rules for safe handling and use . 17
B.2 Emergency procedures . 17
B.2.1 First aid . 17
B.2.2 Spillage . 17
B.2.3 Fire . 17
Bibliography . 18

3

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SIST EN 888:2023
EN 888:2023 (E)
European foreword
This document (EN 888:2023) 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 August 2023, and conflicting national standards shall
be withdrawn at the latest by August 2023.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CEN shall not be held responsible for identifying any or all such patent rights.
This document supersedes EN 888:2004.
EN 888:2023 includes the following significant technical changes with respect to EN 888:2004:
— removal of the analytical methods from this standard and addition of reference to EN 17215 as
analytical method standard;
— update of the information of risk and safety labelling of the product to comply with the new
regulations (see 7.2 and [2]);
— update of the information related to Drinking Water Directive.
Any feedback and questions on this document should be directed to the users’ national standards body.
A complete listing of these bodies can be found on the CEN website.
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, France, Germany, Greece, Hungary, Iceland,
Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Republic of
North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and the
United Kingdom.
4

---------------------- Page: 6 ----------------------
SIST EN 888:2023
EN 888:2023 (E)
Introduction
In respect of potential adverse effects on the quality of water intended for human consumption, caused
by the product covered by this document:
a) this document 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 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 document is subject to regulation or
control by National Authorities.
5

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SIST EN 888:2023
EN 888:2023 (E)
1 Scope
This document is applicable to iron (III) chloride solution a) and iron (III) chloride hexahydrate b) used
for treatment of water intended for human consumption. It describes the characteristics and specifies
the requirements and the corresponding analytical methods for iron (III) chlorides a) and b) and gives
information for their use in water treatment. It also determines the rules relating to safe handling and
use of iron (III) chloride.
2 Normative references
The following documents are referred to in the text in such a way that some or all of their content
constitutes requirements of this document. For dated references, only the edition cited applies. For
undated refer
...

SLOVENSKI STANDARD
oSIST prEN 888:2020
01-maj-2020
Kemikalije, ki se uporabljajo za pripravo pitne vode - Železov (III) klorid
Chemicals used for treatment of water intended for human consumption - Iron (III)
chloride
Produkte zur Aufbereitung von Wasser für den menschlichen Gebrauch - Eisen
(III)chlorid
Produits chimiques utilisés pour le traitement de l'eau destinée à la consommation
humaine - Chlorure de fer (III)
Ta slovenski standard je istoveten z: prEN 888
ICS:
13.060.20 Pitna voda Drinking water
71.100.80 Kemikalije za čiščenje vode Chemicals for purification of
water
oSIST prEN 888:2020 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

---------------------- Page: 1 ----------------------
oSIST prEN 888:2020

---------------------- Page: 2 ----------------------
oSIST prEN 888:2020


DRAFT
EUROPEAN STANDARD
prEN 888
NORME EUROPÉENNE

EUROPÄISCHE NORM

April 2020
ICS 71.100.80 Will supersede EN 888:2004
English Version

Chemicals used for treatment of water intended for human
consumption - Iron (III) chloride
Produits chimiques utilisés pour le traitement de l'eau Produkte zur Aufbereitung von Wasser für den
destinée à la consommation humaine - Chlorure de fer menschlichen Gebrauch - Eisen(III)chlorid
(III)
This draft European Standard is submitted to CEN members for enquiry. It has been drawn up by the Technical Committee
CEN/TC 164.

If this draft becomes a European Standard, 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.

This draft European Standard was established by CEN 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, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and
United Kingdom.

Recipients of this draft are invited to submit, with their comments, notification of any relevant patent rights of which they are
aware and to provide supporting documentation.

Warning : This document is not a European Standard. It is distributed for review and comments. It is subject to change without
notice and shall not be referred to as a European Standard.


EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2020 CEN All rights of exploitation in any form and by any means reserved Ref. No. prEN 888:2020 E
worldwide for CEN national Members.

---------------------- Page: 3 ----------------------
oSIST prEN 888:2020
prEN 888:2020 (E)
Contents Page
European 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 . 8
4 Purity criteria . 8
4.1 General . 8
4.2 Composition of commercial product . 8
4.3 The grade of the product . 8
4.4 The type of the product . 9
5 Test methods . 10
5.1 Sampling . 10
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 . 12
6.5 Storage . 12
Annex A (informative) General information on iron (III) chloride . 13
Annex B (normative) General rules relating to safety . 18
Bibliography . 19
2

---------------------- Page: 4 ----------------------
oSIST prEN 888:2020
prEN 888:2020 (E)
European foreword
This document (prEN 888:2020) has been prepared by Technical Committee CEN/TC 164 “Water
supply”, the secretariat of which is held by AFNOR.
This document is currently submitted to the CEN Enquiry.
This document will supersede EN 888:2004.
In comparison with the previous edition, the following technical modifications have been made:
— removal of the analytical methods from this standard and referred to EN 17215 as analytical
method standard;
— harmonization of the table for elements (Table 3, section 5.4) for all iron product standards;
— update of the information of risk and safety labelling of the product to comply with the new
regulations (see 7.2 and [2]).
3

---------------------- Page: 5 ----------------------
oSIST prEN 888:2020
prEN 888:2020 (E)
Introduction
In respect of potential adverse effects on the quality of water intended for human consumption, caused
by the product covered by this document:
a) this document 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 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 document is subject to regulation or
control by National Authorities.
4

---------------------- Page: 6 ----------------------
oSIST prEN 888:2020
prEN 888:2020 (E)
1 Scope
This document is applicable to iron (III) chloride (a), iron (III) chloride hexahydrate (b), iron (III)
chloride solution (c) used for treatment of water intended for human consumption. It describes the
characteristics and specifies the requirements and the corresponding analytical methods for iron (III)
chlorides (a), (b) and (c) and gives information for their use in water treatment.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated
references, only the edition cited applies. For undated references, the latest edition of the referenced
document (including any amendments) applies.
EN 17215, Chemicals used for treatment of water intended for human consumption — Iron-based
coagulants — Analytical methods
3 Terms and definitions
No terms and definitions are listed in this document.
ISO and IEC maintain terminological databases for use in standardization at the following addresses:
• ISO Online browsing platform: available at http://www.iso.org/obp
• IEC Electropedia: available at https://www.electropedia.org/
4 Description
4.1 Identification
4.1.1 Chemical name
(a) iron (III) chloride anhydrous (FeCl ).
3
(b) iron (III) chloride hexahydrate (FeCl . 6 H O).
3 2
(c) iron (III) chloride solution.
4.1.2 Synonym or common names
(a) Ferric chloride, water free ferric chloride.
(b) Ferric chloride, hexahydrate.
(c) Ferric chloride, solution.
4.1.3 Relative molecular mass
(a) and (c) 162,21 for FeCl
3.
(b) 270,31 for FeCl . 6 H O.
3 2
5

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oSIST prEN 888:2020
prEN 888:2020 (E)
4.1.4 Empirical formula
(a) and (c) FeCl .
3
(b) FeCl . 6 H O.
3 2
4.1.5 Chemical formula
(a) and (c) FeCl .
3
(b) FeCl . 6 H O.
3 2
1)

4.1.6 CAS Registry Number
(a) and (c) 7705-08-0.
(b) 10025-77-1.
2)
4.1.7 EINECS reference
231-729-4.
4.2 Commercial forms
Iron (III) chloride (a) is available as a crystalline powder.
Iron (III) chloride hexahydrate (b) is available as crystalline granules.
Liquid forms of iron (III) chloride (c) are available as solutions.
4.3 Physical properties
4.3.1 Appearance
Iron (III) chloride (a) is an hygroscopic, dark grey crystalline powder with a greenish sheen.
Iron (III) chloride hexahydrate (b) is an hygroscopic, yellow deliquescent crystalline granular material.
Liquid forms of iron (III) chloride (c) are dark brown solutions.
4.3.2 Density
3
The density of iron (III) chloride (a) is equal to 2,89 g/cm at 20 °C.
3
The density of iron (III) chloride hexahydrate (b) is equal to 1,8 g/cm at 20 °C.
The density of solutions of iron (III) chloride(c) is equal to 1,43 g/ml at 20 °C for a mass fraction of
40 % of FeCl .
3
3
The bulk density of the products (a) and (b) is about 1,0 kg/dm .
4.3.3 Solubility (in water)
The solubility at 20 °C for the products
(a) and (b) is approximately up to a mass fraction of 47 % of FeCl .
3

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

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oSIST prEN 888:2020
prEN 888:2020 (E)
The products (a) and (b) are soluble and (c) is dilutable (see A.3.2).
4.3.4 Vapour pressure
For the product (a) 0,1 kPa at 20 °C.
3)
4.3.5 Boiling point at 100 kPa
For the product (a) decomposition occurs at 315 °C.
For the product (b) decomposition starts at 160 °C.
4.3.6 Melting point
For the product (a) 304 °C (point of sublimation).
For the product (b) 37 °C.
For the product (c) the melting and crystallization points depending on concentration are given in
Table 1.
Table 1 — Melting point
Solution concentration
Melting, crystallization
point
Mass fraction of FeCl
3
°C
in %
34 −52
40 −12
45 +10
4.3.7 Specific heat
For the product (a) 600 kJ/kg.K.
For the product (b) not known.
For the product (c) not applicable.
4.3.8 Viscosity (dynamic)
For the products (a) and (b) it is not applicable.
For the product (c) the viscosity is about 10 mPa.s for a solution of a mass fraction of 40 % of FeCl at
3
20 °C.
4.3.9 Critical temperature
Not applicable.
4.3.10 Critical pressure
Not applicable.

3)
100 kPa = 1 bar
7

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oSIST prEN 888:2020
prEN 888
...

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