Chemicals used for treatment of swimming pool water - Aluminium based coagulants

This European Standard is applicable to aluminium based coagulants (aluminium sulfate, aluminium chloride (monomeric), aluminium chloride hydroxide (monomeric), aluminium chloride hydroxide sulfate (monomeric), sodium aluminate and polyaluminium chloride hydroxide and polyaluminium chloride hydroxide sulfate) used directly or for the production of formulations for treatment of water for swimming pools.
It describes the characteristics of aluminium based coagulants and specifies the requirements and the corresponding test methods for aluminium based coagulants. It gives information on their use in swimming pool water treatment. It also determines the rules relating to safe handling and use (see Annex B).

Produkte zur Aufbereitung von Schwimm- und Badebeckenwasser - Flockungsmittel auf Aluminiumbasis

Diese Europäische Norm gilt für Flockungsmittel auf Aluminiumbasis [Aluminiumsulfat, Aluminiumchlorid (monomer), Aluminiumhydroxidchlorid (monomer), Aluminiumhydroxidchloridsulfat (monomer), Natrium-aluminat sowie Polyaluminiumchloridhydroxid und Polyaluminiumchloridhydroxidsulfat], die direkt zur Aufbereitung von Schwimm- und Badebeckenwasser oder zur Herstellung von Zubereitungen für diesen Zweck verwendet werden.
Sie beschreibt die Eigenschaften von Flockungsmitteln auf Aluminiumbasis und legt die Anforderungen sowie die entsprechenden Prüfverfahren für Flockungsmittel auf Aluminiumbasis fest. Sie enthält Angaben zu deren Anwendung in der Aufbereitung von Schwimm- und Badebeckenwasser. Sie legt darüber hinaus Regeln für die sichere Handhabung und Verwendung fest (siehe Anhang B).

Produits chimiques utilisés pour le traitement de l'eau des piscines - Coagulants à base d'aluminium

La présente Norme européenne s'applique aux coagulants à base d'aluminium (sulfate d'aluminium, chlorure d'aluminium (monomère), hydroxychlorure d'aluminium (monomère), sulfate d'hydroxychlorure d'aluminium (monomère), aluminate de sodium, polyhydroxychlorure d'aluminium et polyhydroxychlorosulfate d'aluminium utilisés directement ou pour la production de formulations pour le traitement de l'eau des piscines.
Elle décrit les caractéristiques des coagulants à base d'aluminium et spécifie les exigences et les méthodes d'essai correspondantes pour les coagulants à base d'aluminium. Elle donne des informations pour leur emploi dans le traitement de l'eau des piscines. Elle fixe également les règles relatives à la sécurité d'emploi et de manipulation (voir Annexe B).

Kemikalije, ki se uporabljajo za pripravo bazenske vode - Strjevanje na osnovi aluminija

Ta evropski standard se uporablja za sredstva za strjevanje na osnovi aluminija (aluminijev sulfat, aluminijev klorid (monomerni), aluminijev klorid hidroksid (monomerni), aluminijev klorid hidroksid sulfat (monomerni), natrijev aluminat in polialuminijev klorid hidroksid ter polialuminijev klorid hidroksid sulfat), ki se lahko uporablja neposredno ali za izdelavo komercialnih oblik za pripravo bazenske vode. Opisuje značilnosti sredstev za strjevanje na osnovi aluminija ter določa zahteve in ustrezne preskusne metode zanje. Vsebuje informacije za uporabo sredstev za strjevanje na osnovi aluminija pri pripravi bazenske vode. Določa tudi pravila za varno ravnanje in uporabo (glej dodatek B).

General Information

Status
Withdrawn
Publication Date
21-May-2013
Withdrawal Date
31-May-2022
Current Stage
9960 - Withdrawal effective - Withdrawal
Completion Date
01-Jun-2022

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2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Kemikalije, ki se uporabljajo za pripravo bazenske vode - Strjevanje na osnovi aluminijaProdukte zur Aufbereitung von Schwimm- und Badebeckenwasser - Flockungsmittel auf AluminiumbasisProduits chimiques utilisés pour le traitement de l'eau des piscines - Coagulants à base d'aluminiumChemicals used for treatment of swimming pool water - Aluminium based coagulants71.100.80Chemicals for purification of water13.060.25Voda za industrijsko uporaboWater for industrial useICS:Ta slovenski standard je istoveten z:EN 15031:2013SIST EN 15031:2014en,fr,de01-januar-2014SIST EN 15031:2014SLOVENSKI
STANDARDSIST EN 15031:20061DGRPHãþD



SIST EN 15031:2014



EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN 15031
May 2013 ICS 71.100.80 Supersedes EN 15031:2006English Version
Chemicals used for treatment of swimming pool water - Aluminium based coagulants
Produits chimiques utilisés pour le traitement de l'eau des piscines - Coagulants à base d'aluminium
Produkte zur Aufbereitung von Schwimm- und Badebeckenwasser - Flockungsmittel auf AluminiumbasisThis European Standard was approved by CEN on 21 March 2013.
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
Management Centre:
Avenue Marnix 17,
B-1000 Brussels © 2013 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 15031:2013: ESIST EN 15031:2014



EN 15031:2013 (E) 2 Contents Page Foreword . 3 Introduction . 4 1 Scope . 5 2 Normative references . 5 3 Description . 5 3.1 Aluminium sulfate . 5 3.2 Aluminium chloride (monomeric), aluminium chloride hydroxide (monomeric) and aluminium chloride hydroxide sulfate (monomeric) . 8 3.3 Sodium aluminate . 11 3.4 Polyaluminium chloride hydroxide and polyaluminium chloride hydroxide sulfate . 14 4 Purity criteria . 16 4.1 General . 16 4.2 Composition of commercial product . 17 4.3 Impurities and main by-products . 17 4.4 Chemical parameters . 18 5 Test methods . 18 5.1 Sampling . 18 5.2 Analyses . 19 6 Labelling - transportation - storage . 20 6.1 Means of delivery . 20 6.2 Risk and safety labelling in accordance with the EU directives
................................................. 20 6.3 Transportation regulations and labelling ...................................................................................... 23 6.4 Marking ........................................................................................................................................... 24 6.5 Storage ........................................................................................................................................... 24 Annex A (informative)
General information on aluminium based coagulants . 26 A.1 Origin . 26 A.2 Use . 26 Annex B (normative)
General rules relating to safety . 28 B.1 Rules for safe handling and use . 28 B.2 Emergency procedures . 28 Bibliography. 29
SIST EN 15031:2014



EN 15031:2013 (E) 3 Foreword This document (EN 15031:2013) 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 November 2013, and conflicting national standards shall be withdrawn at the latest by November 2013. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN [and/or CENELEC] shall not be held responsible for identifying any or all such patent rights. This document supersedes EN 15031:2006. Significant technical differences between this edition and EN 15031:2006 are as follows:  Updating of subclause 6.2 in line with current legislation. 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, 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 the United Kingdom.
SIST EN 15031:2014



EN 15031:2013 (E) 4 Introduction In respect of potential adverse effects on the quality of water for swimming pools, caused by the products covered by this European Standard: a) this European Standard provides no information as to whether the products 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 these products remain in force. NOTE Conformity with this European Standard does not confer or imply acceptance or approval of the products in any of the Member States of the EU or EFTA. The use of the products covered by this European Standard is subject to regulation or control by National Authorities. SIST EN 15031:2014



EN 15031:2013 (E) 5 1 Scope This European Standard is applicable to aluminium based coagulants (aluminium sulfate, aluminium chloride (monomeric), aluminium chloride hydroxide (monomeric), aluminium chloride hydroxide sulfate (monomeric), sodium aluminate and polyaluminium chloride hydroxide and polyaluminium chloride hydroxide sulfate) used directly or for the production of formulations for treatment of water for swimming pools. It describes the characteristics of aluminium based coagulants and specifies the requirements and the corresponding test methods for aluminium based coagulants. It gives information on their use in swimming pool water treatment. It also determines the rules relating to safe handling and use (see Annex B). 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. 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 Aluminium sulfate 3.1.1 Identification 3.1.1.1 Chemical name Aluminium sulfate. 3.1.1.2 Synonym or common names Aluminium sulfate, cake alum, alum. NOTE In English the generic term "alum" is imprecise and is deprecated and in German the term "Alaun" is misleading. 3.1.1.3 Relative molecular mass 342,14 for Al2(SO4)3. 3.1.1.4 Empirical formula Al2(SO4)3. SIST EN 15031:2014



EN 15031:2013 (E) 6 3.1.1.5 Chemical formula Al2(SO4)3.nH2O. 3.1.1.6 CAS Registry Number 1) Al2(SO4)3 : 10043-01-3. Al2(SO4)3.16 H2O : 16828-11-8. Al2(SO4)3.18 H2O : 7784-31-8. 3.1.1.7 EINECS reference 2) Al2(SO4)3 : 233-135-0. 3.1.2 Commercial forms Aluminium sulfate is available in solid hydrated forms, with different particle sizes (slabs, kibbled, ground, granulated) and in aqueous solutions. 3.1.3 Physical properties 3.1.3.1 Appearance The product is a white solid or colourless to yellow, clear liquid. 3.1.3.2 Density The density of a typical aluminium sulfate solution is given in Table 1 and varies depending on the concentration of the active matter (aluminium content), expressed in grams per kilogram of solution (Al g/kg). Table 1 — Density of solution Al
g/kg of solution Density at 15 °C g/ml 40,8 1,310 41,6 1,315 42,5 1,320 43,3 1,325 44,2 1,330 45,0 1,335 3.1.3.3 Solubility The theoretical limit of active matter content for a typical solution is given in Table 2.
1) Chemical Abstracts Service Registry Number. 2) European Inventory of Existing Commercial Chemical Substances. SIST EN 15031:2014



EN 15031:2013 (E) 7 Table 2 — Solubility Temperature Active matter in Al °C g/kg of solution - 1 44,7 24 44,8 The practical limit of solubility depends on the temperature and the device used for solubilisation of the solid form (slabs, kibbled, ground or granulated). An indication of practical limits is given in Table 3. Table 3 — Indication of practical limits of solubility Temperature °C Active matter Al
g/kg of solution Solubility in grams solid form (containing Al 90 g/kg of solid) per kilogram of solution 15 37 410 3.1.3.4 Vapour pressure at 20 °C Not known. 3.1.3.5 Boiling point at 100 kPa 3) Not known. 3.1.3.6 Crystallisation point The crystallisation point of aluminium sulfate varies, depending on the concentration of the active matter. For example:  - 7 °C for a typical solution of aluminium content of 42,4 g/kg of solution. 3.1.3.7 Specific heat Not known. 3.1.3.8 Viscosity (dynamic) The viscosity of aluminium sulfate solution varies greatly, depending on the concentration of the active matter. For a typical solution of aluminium content of 42,4 g/kg of solution, the viscosity is given in Table 4.
3) 100 kPa = 1 bar. SIST EN 15031:2014



EN 15031:2013 (E) 8 Table 4 — Viscosity Temperature °C Viscosity mPa.s 0 40,0 10 26,5 20 18,6 30 13,2 40 8,8 3.1.3.9 Critical temperature Not applicable. 3.1.3.10 Critical pressure Not applicable. 3.1.3.11 Physical hardness Not applicable. 3.1.4 Chemical properties Aluminium sulfate is an acidic hydrated salt or solution. Very dilute solutions hydrolyse and form a precipitate of aluminium hydroxide. Since aluminium compounds are amphoteric in nature, the solubility of aluminium depends on the pH value and the product should be used within an appropriate pH range. 3.2 Aluminium chloride (monomeric), aluminium chloride hydroxide (monomeric) and aluminium chloride hydroxide sulfate (monomeric) 3.2.1 Identification 3.2.1.1 Chemical name
a) aluminium chloride (monomeric); b) aluminium chloride hydroxide (monomeric); c) aluminium chloride hydroxide sulfate (monomeric). 3.2.1.2 Synonym or common names a) aluminium chloride; b) aluminium chloride hydroxide; c) aluminium chloride hydroxide sulfate. SIST EN 15031:2014



EN 15031:2013 (E) 9 3.2.1.3 Relative molecular mass 133,3 for AlCl3. 3.2.1.4 Empirical formula a) AlCl3; b) Al(OH)aClb with (a + b) = 3 and a less than or equal to 1,05; c) Al(OH)aClb(SO4)c with (a + b + 2c) = 3 and a less than or equal to 1,05. 3.2.1.5 Chemical formula Variable (see 3.1.4). 3.2.1.6 CAS Registry Number 4) a) 7446-70-0; b)
1) a and b variable: 1327-41-9 with a less than or equal to 1,05; 2) a = 1, b = 2: 14215-15-7; c) a, b and c variable: 39290-78-3 with a less than or equal to 1,05. 3.2.1.7 EINECS reference 5) a) 231-208-1; b)
1) 215-477-2; 2) 238-071-7; c) 254-400-7. 3.2.2 Commercial forms Aluminium chloride in the form of hexahydrate is available as crystals. Liquid forms of aluminium chloride, aluminium chloride hydroxide and aluminium chloride hydroxide sulfate (monomeric) are available as solutions or suspensions. 3.2.3 Physical properties 3.2.3.1 Appearance The product is colourless to yellow.
4) Chemical Abstracts Service Registry Number. 5) European Inventory of Existing Commercial Chemical Substances. SIST EN 15031:2014



EN 15031:2013 (E) 10 3.2.3.2 Density The density depends on the particular composition, especially the aluminium ion content, expressed as mass fraction of aluminium (Al ) in %. Typical values for solutions: a) aluminium chloride: 1,3 g/ml for 5,8 % Al; b) aluminium chloride hydroxide: 1,35 g/ml to 1,40 g/ml for 9,5 % Al; c) aluminium chloride hydroxide sulfate:  1,18 g/ml to 1,22 g/ml for 5,3 % Al;  1,18 g/ml for 4,2 % Al. 3.2.3.3 Solubility Aluminium chloride, aluminium chloride hydroxide and aluminium chloride hydroxide sulfate (monomeric) are fully miscible with water. NOTE Depending on the particular product, dilute solutions can hydrolyze and form a precipitate. 3.2.3.4 Vapour pressure Not known. 3.2.3.5 Boiling point at 100 kPa6)
Not known. 3.2.3.6 Crystallisation point Typical values for solutions: a) aluminium chloride: - 20 °C for 5,8 % Al; b) aluminium chloride hydroxide:  ≤ - 20 °C for 9,5 % Al;  ≈ - 20 °C for 12,4 % Al; c) aluminium chloride hydroxide sulfate:  10 °C to - 15 °C for 5,3 % Al;  5 °C for 4,2 % Al. 3.2.3.7 Specific heat Not known.
6) 100 kPa = 1 bar. SIST EN 15031:2014



EN 15031:2013 (E) 11 3.2.3.8 Viscosity (dynamic) Typical values for solutions at 20 °C: a) aluminium chloride solution: ≈ 10 mPa.s for 5,8 % Al; b) aluminium chloride hydroxide:  10 mPa.s to 50 mPa.s for 9,5 % Al; c) aluminium chloride hydroxide sulfate:  3 mPa.s to 10 mPa.s for 5,3 % Al. 3.2.3.9 Critical temperature
Not applicable. 3.2.3.10 Critical pressure Not applicable. 3.2.3.11 Physical hardness Not applicable. 3.3 Sodium aluminate 3.3.1 Identification 3.3.1.1 Chemical name Aluminium sodium oxide. 3.3.1.2 Synonym or common name Sodium aluminate. 3.3.1.3 Relative molecular mass 82 for NaAlO2. 3.3.1.4 Empirical formula NaAlO2 0,1 Na2O.nH2O (n varies from 0,3 to 0,4). 3.3.1.5 Chemical formula NaAlO2. SIST EN 15031:2014



EN 15031:2013 (E) 12 3.3.1.6 CAS Registry Number 7) 11138-49-1. 3.3.1.7 EINECS reference 8) 234-391-6. 3.3.2 Commercial form Sodium aluminate is available as solids (powder or granules) or solutions. 3.3.3 Physical properties 3.3.3.1 Appearance The product is a white powder or granules or colourless to yellow liquid. 3.3.3.2 Density The absolute density of solids products is 2,35 g/cm3. The tamped bulk density (powder) is between 1 g/cm3 to 1,2 g/cm3 (depends on grain size). The density of solutions is 1,5 g/ml for a solution containing 10 % of active matter, expressed as mass fraction of aluminium in the product (10 % Al). 3.3.3.3 Solubility Sodium aluminate is soluble in water to yield solutions of up to 12,7 % Al at 20 °C (concentration higher than 400 g/l). NOTE Depending on temperature and degree of dilution, solutions of sodium aluminate can hydrolyse and form a precipitate. 3.3.3.4 Vapour pressure  Solid not applicable;  Solution not known. 3.3.3.5 Boiling point at 100 kPa 9)  Solid not applicable;  Solution not known. 3.3.3.6 Melting or crystallisation point  Solid melting point : ≈ 1 650 °C;
7) Chemical Abstracts Service Registry Number. 8) European inventory of Existing Commercial chemicals Substances. 9) 100 kPa = 1 bar SIST EN 15031:2014



EN 15031:2013 (E) 13  Solution typical values for crystallisation point range between - 15 °C and - 25 °C. 3.3.3.7 Specific heat Not known. 3.3.3.8 Viscosity (dynamic) Typical values of dynamic viscosity for sodium aluminate solutions, containing 10 % Al and 12,7 % Al are given in Table 5. Table 5 — Viscosity Temperature °C Viscosity mPa.s
10 % Al 12,7 % Al - 5 1 250 15 000 0 650 7 000 5 360 2 850 10 200 1 650 15 140 900 20 120 560 3.3.3.9 Critical temperature Not applicable. 3.3.3.10 Critical pressure Not applicable. 3.3.3.11 Physical hardness  Solid not known;  Solution not applicable. 3.3.4 Chemical properties Sodium aluminate solutions are highly alkaline. Their solutions hydrolyse and form a precipitate of aluminium hydroxide when diluted beyond a particular level or neutralised. Since aluminium compounds are amphoteric in nature, the solubility of aluminium depends on the pH value and the product should be used within an appropriate pH range. When dissolved in drinking water, calcium is partially precipitated with aluminium hydroxide. SIST EN 15031:2014



EN 15031:2013 (E) 14 3.4 Polyaluminium chloride hydroxide and polyaluminium chloride hydroxide sulfate 3.4.1 Identification 3.4.1.1 Chemical names a) Polyaluminium chloride hydroxide; b) Polyaluminium chloride hydroxide sulfate. 3.4.1.2 Synonym or common names a) Polyaluminium chloride, PAC, PACl; basic aluminium chloride, BAC. NOTE In French, the term "Polychlorure d'aluminium" is deprecated. b) Polyaluminium chloride, PAC; polyaluminium chloride sulfate, PACS. 3.4.1.3 Relative molecular mass Variable (see 3.1.4). 3.4.1.4 Empirical formula a) Al(OH)aClb with (a + b) = 3 and a greater than 1,05; b) Al(OH)aClb(SO4)c with (a + b + 2c) = 3 and a greater than 1,05. 3.4.1.5 Chemical formula Variable (see 3.1.4). 3.4.1.6 CAS Registry Number 10) (a1) a and b variable: 1327-41-9 with a greater than 1,05; (a2) a = 2,5; b = 0,5: 12042-91-0; (a3) a = 2; b = 1: 10284-64-7; (b) a, b and c variable: 39290-78-3 with a greate
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