EN 939:2016

Chemicals used for treatment of water intended for human consumption - Hydrochloric acid

This European Standard is applicable to hydrochloric acid used for treatment of water intended for human consumption. It describes the characteristics of hydrochloric acid and specifies the requirements and the corresponding test methods for hydrochloric acid. It gives information on its use in water treatment (see Annex A). It also determines the rules relating to safe handling and use of hydrochloric acid (see Annex B).

Produkte zur Aufbereitung von Wasser für den menschlichen Gebrauch - Salzsäure

Diese Europäische Norm gilt für Salzsäure zur Aufbereitung von Wasser für den menschlichen Gebrauch. Sie beschreibt die Eigenschaften von Salzsäure und legt die Anforderungen sowie die entsprechenden Prüfverfahren für Salzsäure fest. Sie enthält Angaben zu deren Anwendung in der Wasseraufbereitung (siehe Anhang A). Darüber hinaus legt sie Regeln für die sichere Handhabung und Verwendung von Salzsäure fest (siehe Anhang B).

Produits chimiques utilisés pour le traitement de l'eau destinée à la consommation humaine - Acide chlorhydrique

La présente Norme européenne s’applique à l’acide chlorhydrique utilisé pour le traitement de l’eau destinée à la consommation humaine. Elle décrit les caractéristiques de l’acide chlorhydrique et spécifie les exigences et les méthodes d’essai correspondantes. Elle donne des informations sur son emploi pour le traitement de l’eau. Elle définit également les règles relatives aux précautions d’emploi et de manipulation de l’acide chlorhydrique (voir l’Annexe B).

Kemikalije, ki se uporabljajo za pripravo pitne vode - Klorovodikova kislina

Ta evropski standard se uporablja za klorovodikovo kislino, ki se uporablja za pripravo pitne vode. Opisuje lastnosti klorovodikove kisline ter določa zahteve in ustrezne preskusne metode zanjo. Podaja informacije za njeno uporabo pri pripravi vode. Določa tudi pravila za varno ravnanje s klorovodikovo kislino in njeno uporabo.

General Information

• Status: Published
• Publication Date: 24-May-2016
• Withdrawal Date: 29-Nov-2016
• ICS: 71.100.80 - Chemicals for purification of water
• Technical Committee: CEN/TC 164 - Water supply
• Drafting Committee: CEN/TC 164/WG 9 - Drinking water treatment
• Current Stage: 9093 - Decision to confirm - Review Enquiry
• Start Date: 21-Mar-2022
• Completion Date: 14-Apr-2025
• Ref Project: SIST EN 939:2016 - Chemicals used for treatment of water intended for human consumption - Hydrochloric acid

Relations

• Replaces: EN 939:2009 - Chemicals used for treatment of water intended for human consumption - Hydrochloric acid
• Effective Date: 10-Jul-2013

Standards Content (Sample)

SLOVENSKI STANDARD
01-julij-2016
1DGRPHãþD
SIST EN 939:2009
Kemikalije, ki se uporabljajo za pripravo pitne vode - Klorovodikova kislina
Chemicals used for treatment of water intended for human consumption - Hydrochloric
acid
Produkte zur Aufbereitung von Wasser für den menschlichen Gebrauch - Salzsäure
Produits chimiques utilisés pour le traitement de l'eau destinée à la consommation
humaine - Acide chlorhydrique
Ta slovenski standard je istoveten z: EN 939:2016
ICS:
13.060.20 Pitna voda Drinking water
71.100.80 .HPLNDOLMH]DþLãþHQMHYRGH Chemicals for purification of
water
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EN 939
EUROPEAN STANDARD
NORME EUROPÉENNE
May 2016
EUROPÄISCHE NORM
ICS 71.100.80 Supersedes EN 939:2009
English Version
Chemicals used for treatment of water intended for human
consumption - Hydrochloric acid
Produits chimiques utilisés pour le traitement de l'eau Produkte zur Aufbereitung von Wasser für den
destinée à la consommation humaine - Acide menschlichen Gebrauch - Salzsäure
chlorhydrique
This European Standard was approved by CEN on 18 March 2016.

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

CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels
© 2016 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 939:2016 E
worldwide for CEN national Members.

Contents Page
European foreword . 4
Introduction . 5
1 Scope . 6
2 Normative references . 6
3 Description . 6
3.1 Identification . 6
3.1.1 Chemical name . 6
3.1.2 Synonym or common names . 6
3.1.3 Relative molecular mass . 6
3.1.4 Empirical formula . 6
3.1.5 Chemical formula . 6
)
3.1.6 CAS Registry Number . 7
)
3.1.7 EINECS reference . 7
3.2 Commercial forms . 7
3.3 Physical properties . 7
3.3.1 Appearance . 7
3.3.2 Density . 7
3.3.3 Solubility . 7
3.3.4 Vapour pressure . 7
3.3.5 Boiling point at 100 kPa . 7
3.3.6 Melting or freezing point . 8
3.3.7 Specific heat . 8
3.3.8 Viscosity (dynamic) . 8
3.3.9 Critical temperature . 8
3.3.10 Critical pressure . 8
3.3.11 Physical hardness . 8
3.4 Chemical properties . 8
4 Purity criteria . 8
4.1 General . 8
4.2 Composition of commercial product . 8
4.3 Impurities and main by-products . 9
4.4 Chemical parameters . 9
5 Test methods . 9
5.1 Sampling . 9
5.2 Analysis . 9
5.2.1 Determination of hydrochloric acid content (main product) . 9
5.2.2 Impurities . 10
5.2.3 Chemical parameters . 14
6 Labelling – Transportation – Storage . 16
6.1 Means of delivery . 16
)
6.2 Labelling according to the EU legislation . 16
6.3 Transportation regulations and labelling . 18
6.4 Marking . 18
6.5 Storage . 18
6.5.1 Containers . 18
6.5.2 Long term stability . 18
6.5.3 Storage incompatibilities . 18
Annex A (informative) General information on hydrochloric acid . 19
A.1 Origin . 19
A.1.1 Raw materials . 19
A.1.2 Manufacturing process . 19
A.2 Use . 19
A.2.1 Function . 19
A.2.2 Form in which it is used. 19
A.2.3 Treatment dose . 19
A.2.4 Mean of application . 19
A.2.5 Secondary effects . 19
A.2.6 Removal of excess product . 20
A.3 Routine analyses . 20
Annex B (normative) General rules relating to safety . 21
B.1 Rules for safe handling and use . 21
B.2 Emergency procedures . 21
B.2.1 First aid . 21
B.2.2 Spillage . 21
B.2.3 Fire . 21
Annex C (normative) Determination of arsenic, antimony and selenium (atomic absorption
spectrometry hydride technique) . 22
C.1 Safety precautions . 22
C.2 General principle . 22
C.3 Interferences . 22
C.4 Reagents . 22
C.5 Apparatus . 24
C.6 Procedure . 26
C.6.1 Preparation of the apparatus .
...