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

This document is applicable to iron (III) sulfate solution of various iron and/or acid contents (see 3.2) used for treatment of water intended for human consumption. It describes the characteristics of iron (III) sulfate solution and specifies the requirements and the corresponding analytical methods for iron (III) sulfate solution (analytical methods are given in Annex B) and gives information on its use in water treatment. It also determines the rules relating to safe handling and use of iron (III) sulfate solution (see Annex E).

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

Dieses Dokument gilt für Eisen(III)sulfat-Lösung mit unterschiedlichen Eisen  und/oder Säuregehalten (siehe 4.2) zur Aufbereitung von Wasser für den menschlichen Gebrauch. Es beschreibt die Eigenschaften der Eisen(III)sulfat-Lösung und legt die Anforderungen sowie die entsprechenden Analysenverfahren für die Eisen(III)sulfat-Lösung fest. Es enthält Angaben für deren Anwendung in der Wasseraufbereitung. Es legt darüber hinaus Regeln für die sichere Handhabung und Verwendung der Eisen(III)sulfat-Lösung fest.

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

Le présent document est applicable au sulfate de fer (III) liquide de différentes teneurs en fer et/ou acide (voir 4.2) utilisé pour le traitement de l'eau destinée à la consommation humaine. Il décrit les caractéristiques du sulfate de fer (III) liquide, spécifie les exigences et les méthodes d'analyse correspondantes pour le sulfate de fer (III) liquide et donne des informations sur son utilisation dans le traitement de l'eau. Il fixe également les règles relatives à la sécurité de manipulation et d’utilisation du sulfate de fer (III) liquide.

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

General Information

Status
Not Published
Current Stage
4599 - Dispatch of FV draft to CMC - Finalization for Vote
Due Date
27-Nov-2020

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SLOVENSKI STANDARD
oSIST prEN 890:2020
01-maj-2020

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

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

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

Produits chimiques utilisés pour le traitement de l'eau destinée à la consommation

humaine - Sulfate de fer (III) liquide
Ta slovenski standard je istoveten z: prEN 890
ICS:
13.060.20 Pitna voda Drinking water
71.100.80 Kemikalije za čiščenje vode Chemicals for purification of
water
oSIST prEN 890:2020 en,fr,de

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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oSIST prEN 890:2020
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oSIST prEN 890:2020
DRAFT
EUROPEAN STANDARD
prEN 890
NORME EUROPÉENNE
EUROPÄISCHE NORM
April 2020
ICS 71.100.80 Will supersede EN 890:2012
English Version
Chemicals used for treatment of water intended for human
consumption - Iron (III) sulfate solution

Produits chimiques utilisés pour le traitement de l'eau Produkte zur Aufbereitung von Wasser für den

destinée à la consommation humaine - Sulfate de fer menschlichen Gebrauch - Eisen (III)sulfat-Lösung

(III) liquide

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 890:2020 E

worldwide for CEN national Members.
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oSIST prEN 890:2020
prEN 890:2020 (E)
Contents Page

European foreword ................................................................................................................................................................ 3

Introduction ............................................................................................................................................................................. 4

1 Scope ............................................................................................................................................................................. 5

2 Normative references ............................................................................................................................................. 5

3 Terms and definitions ............................................................................................................................................ 5

4 Description ................................................................................................................................................................. 5

4.1 Identification ............................................................................................................................................................. 5

4.1.1 Chemical name .......................................................................................................................................................... 5

4.1.2 Synonym or common names ................................................................................................................................ 5

4.1.3 Relative molecular mass ........................................................................................................................................ 5

4.1.4 Empirical formula .................................................................................................................................................... 5

4.1.5 Chemical formula ..................................................................................................................................................... 5

4.1.6 CAS Registry Number ............................................................................................................................................. 5

4.1.7 EINECS reference ..................................................................................................................................................... 6

4.2 Commercial forms .................................................................................................................................................... 6

4.3 Physical properties .................................................................................................................................................. 6

4.3.1 Appearance ................................................................................................................................................................. 6

4.3.2 Density ......................................................................................................................................................................... 6

4.3.3 Solubility (in water) ................................................................................................................................................ 6

4.3.4 Vapour pressure ....................................................................................................................................................... 6

4.3.5 Boiling point at 100 kPa ........................................................................................................................................ 6

4.3.6 Freezing point............................................................................................................................................................ 6

4.3.7 Specific heat ............................................................................................................................................................... 7

4.3.8 Viscosity (dynamic) ................................................................................................................................................. 7

4.3.9 Critical temperature ............................................................................................................................................... 7

4.3.10 Critical pressure ....................................................................................................................................................... 7

4.3.11 Physical hardness .................................................................................................................................................... 7

4.4 Chemical properties ................................................................................................................................................ 7

5 Purity criteria ............................................................................................................................................................ 7

5.1 General ......................................................................................................................................................................... 7

5.2 Composition of commercial product ................................................................................................................. 7

5.3 The grade of the product ....................................................................................................................................... 7

5.4 The type of the products ........................................................................................................................................ 8

6 Test methods ............................................................................................................................................................. 9

6.1 Sampling ...................................................................................................................................................................... 9

6.2 Analyses ....................................................................................................................................................................... 9

7 Labelling − Transportation − Storage ............................................................................................................... 9

7.1 Means of delivery ..................................................................................................................................................... 9

7.2 Risk and safety labelling according to the EU Legislation ......................................................................... 9

7.3 Transportation regulations and labelling .................................................................................................... 10

7.4 Marking ..................................................................................................................................................................... 10

7.5 Storage ...................................................................................................................................................................... 10

7.5.1 Long term stability ................................................................................................................................................ 10

7.5.2 Storage incompatibilities ................................................................................................................................... 10

Annex A (informative) General information on iron (III) sulfate solution ................................................... 11

Annex B (normative) General rules relating to safety .......................................................................................... 15

Bibliography .......................................................................................................................................................................... 16

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oSIST prEN 890:2020
prEN 890:2020 (E)
European foreword

This document (prEN 890:2020) 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 890:2012.

In comparison with the previous edition, the following technical modifications have been made:

‒ removal of the analytical methods from this document 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]).
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oSIST prEN 890:2020
prEN 890:2020 (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 document 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.
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oSIST prEN 890:2020
prEN 890:2020 (E)
1 Scope

This document is applicable to iron (III) sulfate solution of various iron and/or acid contents (see 4.2) used

for treatment of water intended for human consumption. It describes the characteristics of iron (III) sulfate

solution and specifies the requirements and the corresponding analytical methods for iron (III) sulfate

solution and gives information on its use in water treatment. It also determines the rules relating to safe

handling and use of iron (III) sulfate solution.
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 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.elect
...

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