EN 1405:2023

Chemicals used for treatment of water intended for human consumption - Sodium alginate

This document is applicable to sodium alginate used for treatment of water intended for human consumption. It describes the characteristics of sodium alginate and specifies the requirements and the corresponding test methods for sodium alginate. It gives information on their use in water treatment.

Produkte zur Aufbereitung von Wasser für den menschlichen Gebrauch - Natrium-Alginat

Dieses Dokument ist anwendbar für Natrium-Alginat zur Aufbereitung von Wasser für den menschlichen Gebrauch. Es beschreibt die Eigenschaften von Natrium-Alginat und legt die Anforderungen sowie die entsprechenden Prüfverfahren für Natrium-Alginat fest. Es enthält Angaben zu dessen Anwendung in der Wasseraufbereitung.

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

Le présent document est applicable à l’alginate de sodium utilisé pour le traitement de l’eau destinée à la consommation humaine. Il décrit les caractéristiques de l’alginate de sodium et spécifie les exigences et les méthodes d’essai correspondantes pour ce composé. Il informe également sur son utilisation dans le cas du traitement de l’eau.

Kemikalije, ki se uporabljajo za pripravo pitne vode - Natrijev alginat

Ta dokument se uporablja za natrijev alginat, ki se uporablja za pripravo pitne vode. Opisuje lastnosti natrijevega alginata ter določa zahteve in ustrezne preskusne metode zanj. Dokument podaja informacije o uporabi natrijevega alginata pri pripravi vode.

General Information

• Status: Published
• Publication Date: 10-Oct-2023
• 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: 6060 - Definitive text made available (DAV) - Publishing
• Start Date: 11-Oct-2023
• Due Date: 22-Nov-2023
• Completion Date: 11-Oct-2023
• Ref Project: SIST EN 1405:2023 - Chemicals used for treatment of water intended for human consumption - Sodium alginate

Relations

• Replaces: EN 1405:2009 - Chemicals used for treatment of water intended for human consumption - Sodium alginate
• Effective Date: 19-Jan-2023

Standards Content (Sample)

SLOVENSKI STANDARD
01-december-2023
Nadomešča:
SIST EN 1405:2009
Kemikalije, ki se uporabljajo za pripravo pitne vode - Natrijev alginat
Chemicals used for treatment of water intended for human consumption - Sodium
alginate
Produkte zur Aufbereitung von Wasser für den menschlichen Gebrauch - Natrium-Alginat
Produits chimiques utilisés pour le traitement de l'eau destinée à la consommation
humaine - Alginate de sodium
Ta slovenski standard je istoveten z: EN 1405:2023
ICS:
13.060.20 Pitna voda Drinking water
71.100.80 Kemikalije za čiščenje vode Chemicals for purification of
water
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EN 1405
EUROPEAN STANDARD
NORME EUROPÉENNE
October 2023
EUROPÄISCHE NORM
ICS 71.100.80 Supersedes EN 1405:2009
English Version
Chemicals used for treatment of water intended for human
consumption - Sodium alginate
Produits chimiques utilisés pour le traitement de l'eau Produkte zur Aufbereitung von Wasser für den
destinée à la consommation humaine - Alginate de menschlichen Gebrauch - Natrium-Alginat
sodium
This European Standard was approved by CEN on 14 August 2023.

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 1405:2023 E
worldwide for CEN national Members.

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 name(s) . 6
4.1.2 Synonym(s) or common name(s) . 6
4.1.3 Relative molecular mass . 6
4.1.4 Empirical formulae . 6
4.1.5 Chemical formulae. 7
4.1.6 CAS Registry Numbers . 7
4.1.7 EINECS reference . 7
4.2 Commercial form . 7
5 Physical properties . 7
5.1 Appearance . 7
5.2 Bulk density . 8
5.3 Solubility . 8
5.4 Vapour pressure . 8
5.5 Boiling point at 100 kPa . 8
5.6 Melting point . 8
5.7 Specific heat . 8
5.8 Viscosity dynamic . 8
5.9 Critical temperature . 8
5.10 Critical pressure . 8
5.11 Physical hardness . 8
6 Chemical properties . 8
6.1 General. 8
6.2 Purity criteria . 8
6.2.1 General. 8
6.2.2 Impurities and main by-products . 9
6.3 Composition of commercial product . 9
6.4 Chemical parameters. 9
7 Test methods . 9
7.1 Sampling . 9
7.2 Analyses. 10
7.2.1 General. 10
7.2.2 Main product . 10
7.2.3 Impurities . 15
8 Labelling - transportation – storage. 16
8.1 Means of delivery . 16
8.2 Labelling according to the EU Legislation . 16
8.3 Transportation regulations and labelling . 16
8.4 Marking . 16
8.5 Storage . 16
8.5.1 Long term stability . 16
8.5.2 Storage incompatibilities . 16
Annex A (informative) General information on sodium alginate . 17
A.1 Origin . 17
A.1.1 Raw materials . 17
A.1.2 Manufacturing process . 17
A.2 Use . 17
A.2.1 Function . 17
A.2.2 Form in which it is used . 17
A.2.3 Treatment dose . 17
A.2.4 Means of application. 17
A.2.5 Secondary effects . 17
A.2.6 Removal of excess product . 18
A.3 Rules for safe handling and use . 18
A.4 Emergency procedures . 18
A.4.1 First aid . 18
A.4.2 Spillage . 18
A.4.3 Fire . 19
Bibliography . 20

European foreword
This document (EN 1405:2023) 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 April 2024, and conflicting national standards shall be
withdrawn at the latest by April 2024.
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 1405:2009.
In comparison with the previous edition EN 1405:2009, the following technical modifications have been
made:
a) updating in line with current legislation;
b) modification of 8.3 on transportation regulations and labelling, adding the sentence “The user shall
be aware of the incompatibilities between transported products.”;
c) modification of 8.4 on marking. The requirements of marking are also applied to the accompanying
documents.
Annex A is informative and
...