1、August 2014 Translation by DIN-Sprachendienst.English price group 10No part of this translation may be reproduced without prior permission ofDIN Deutsches Institut fr Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).ICS
2、 71.100.80!%:Ao“2233076www.din.deDDIN EN 15362Chemicals used for treatment of swimming pool water Sodium carbonate;English version EN 15362:2014,English translation of DIN EN 15362:2014-08Produkte zur Aufbereitung von Schwimm- und Badebeckenwasser Natriumcarbonat;Englische Fassung EN 15362:2014,Engl
3、ische bersetzung von DIN EN 15362:2014-08Produits chimiques utiliss pour le traitement de leau des piscines Carbonate de sodium;Version anglaise EN 15362:2014,Traduction anglaise de DIN EN 15362:2014-08SupersedesDIN EN 15362:2008-01www.beuth.deDocument comprises 15 pagesIn case of doubt, the German-
4、language original shall be considered authoritative.07.14DIN EN 15362:2014-08 2 A comma is used as the decimal marker. National foreword This document (EN 15362:2014) has been prepared by Technical Committee CEN/TC 164 “Water supply” (Secretariat: AFNOR, France). The responsible German body involved
5、 in its preparation was the Normenausschuss Wasserwesen (DIN Standards Committee Water Practice), Working Committee NA 119-04-02 AA Wasseraufbereitung. Amendments This standard differs from DIN EN 15362:2008-01 as follows: a) specifications concerning hazard and safety related symbols have been brou
6、ght in line with the “Globally Harmonized System of Classification, Labelling and Packaging of Chemicals (GHS)”. Previous editions DIN EN 15362: 2008-01 EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 15362 May 2014 ICS 71.100.80 Supersedes EN 15362:2007English Version Chemicals used for treatm
7、ent of swimming pool water - Sodium carbonate Produits chimiques utiliss pour le traitement de leau des piscines - Carbonate de sodium Produkte zur Aufbereitung von Schwimm- und Badebeckenwasser - Natriumcarbonat This European Standard was approved by CEN on 20 March 2014. CEN members are bound to c
8、omply 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-CENE
9、LEC 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
10、 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, Luxembo
11、urg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels
12、 2014 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 15362:2014 EEN 15362:2014 (E) 2 Contents Page 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 S
13、ynonym or common name 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 .6 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 in water 7 3.3.4 Vapour pressure 7
14、3.3.5 Boiling point at 100 kPa 7 3.3.6 Melting point .7 3.3.7 Specific heat .7 3.3.8 Viscosity (dynamic) .7 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 Im
15、purities and main by-products .8 4.4 Chemical parameters 9 5 Test methods 9 6 Labelling Transportation Storage 9 6.1 Means of delivery .9 6.2 Labelling according to the EU legislation .9 6.3 Transportation regulations and labelling . 10 6.4 Marking 10 6.5 Storage . 10 6.5.1 General . 10 6.5.2 Long t
16、erm stability 10 6.5.3 Storage incompatibilities . 10 Annex A (informative) General information on sodium carbonate . 11 A.1 Origin . 11 A.1.1 Raw materials 11 DIN EN 15362:2014-08 EN 15362:2014 (E) 3 A.1.2 Manufacturing process . 11 A.2 Use 11 A.2.1 Function 11 A.2.2 Form in which the product is us
17、ed 11 A.2.3 Treatment dose 11 A.2.4 Means of application . 11 A.2.5 Secondary effects 11 A.2.6 Removal of excess product 11 Annex B (normative) General rules relating to safety . 12 B.1 Rules for safe handling and use 12 B.2 Emergency procedures . 12 B.2.1 First aid . 12 B.2.2 Spillage . 12 B.2.3 Fi
18、re 12 Bibliography 13 DIN EN 15362:2014-08 EN 15362:2014 (E) 4 Foreword This document (EN 15362:2014) 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 publ
19、ication of an identical text or by endorsement, at the latest by November 2014 and conflicting national standards shall be withdrawn at the latest by November 2014. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and/or CENELE
20、C shall not be held responsible for identifying any or all such patent rights. This document supersedes EN 15362:2007. The significant technical difference between this edition and EN 15362:2007 is as follows: updating of 6.2 in line with current legislation. According to the CEN-CENELEC Internal Re
21、gulations, the national standards organizations 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,
22、 Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. DIN EN 15362:2014-08 EN 15362:2014 (E) 5 Introduction In respect of the potential adverse effects on the quality of swimming po
23、ol water 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
24、 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 sub
25、ject to regulation or control by National Authorities. DIN EN 15362:2014-08 EN 15362:2014 (E) 6 1 Scope This European Standard is applicable to sodium carbonate used directly, or for the production of formulations, for the treatment of water for swimming pools. It describes the characteristics of so
26、dium carbonate and specifies the requirements and the corresponding test methods for sodium carbonate. It provides information on its use in swimming pool water treatment. It also determines the rules relating to safe handling and use of sodium carbonate (see Annex B). 2 Normative references The fol
27、lowing documents, in whole or in part, are normatively referenced in this document and care 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 897, Chemi
28、cals used for treatment of water intended for human consumption - Sodium carbonate 3 Description 3.1 Identification 3.1.1 Chemical name Sodium carbonate. 3.1.2 Synonym or common name Soda ash, anhydrous sodium carbonate, light soda ash, heavy soda ash. 3.1.3 Relative molecular mass 105,99. 3.1.4 Emp
29、irical formula Na2CO3.3.1.5 Chemical formula Na2CO3.3.1.6 CAS Registry Number1)497-19-8. 1) Chemical Abstracts Service Registry Number. DIN EN 15362:2014-08 EN 15362:2014 (E) 7 3.1.7 EINECS reference2)207-838-8. 3.2 Commercial forms The product is available as dry powder or fine granules and is desc
30、ribed as light soda or heavy soda according to bulk density (see 3.3.2). 3.3 Physical properties 3.3.1 Appearance The product is a white powder or crystals, slightly hygroscopic. 3.3.2 Density The density of this product is 2,53 g/cm3. The bulk density is: ranging from 0,5 kg/dm3to 0,65 kg/dm3(light
31、 soda ash); ranging from 0,8 kg/dm3to 1,2 kg/dm3(heavy soda ash). 3.3.3 Solubility in water The product is soluble at 212 g/l at 20 C. 3.3.4 Vapour pressure Not applicable. 3.3.5 Boiling point at 100 kPa3)Not applicable. 3.3.6 Melting point 851 C. 3.3.7 Specific heat 1,043 J/(kg. K). 3.3.8 Viscosity
32、 (dynamic) Not applicable. 2) European Inventory of Existing Commercial Chemical Substances. 3) 100 kPa = 1 bar. DIN EN 15362:2014-08 EN 15362:2014 (E) 8 3.3.9 Critical temperature Not applicable. 3.3.10 Critical pressure Not applicable. 3.3.11 Physical hardness The hardness of solid sodium carbonat
33、e is given as 1 to 2 on the Mohs scale of hardness. 3.4 Chemical properties Sodium carbonate reacts exothermically with acids with the formation of carbon dioxide. Sodium carbonate is slightly hygroscopic and dissolution in water is an exothermic reaction. 4 Purity criteria 4.1 General This European
34、 Standard specifies the minimum purity requirements for sodium carbonate used for the treatment of swimming pool water. Limits are given for impurities commonly present in the product. Depending on the raw material and the manufacturing process other impurities may be present and, if so, this shall
35、be notified to the user and when necessary to relevant authorities. Users of this product should check the national regulations in order to clarify whether it is of appropriate purity for treatment of swimming pool water, taking into account raw water quality, required dosage, contents of other impu
36、rities and additives used in the products not stated in this product standard. Limits have been given for impurities and chemical parameters where these are likely to be present in significant quantities from the current production process and raw materials. If the production process or raw material
37、s leads to significant quantities of impurities, by-products or additives being present, this shall be notified to the user. 4.2 Composition of commercial product The product shall contain not less than a mass fraction of 99 % of Na2CO3. 4.3 Impurities and main by-products The product shall conform
38、to the requirements specified in Table 1. The concentration limits refer to pure Na2CO3. Table 1 Impurities Impurity Limit in mg/kg of Na2CO3Iron (II) amax. 20 Insoluble matter bmax. 200 aIron(II) can cause organoleptic problems. bIndicates the presence of foreign matter. DIN EN 15362:2014-08 EN 153
39、62:2014 (E) 9 4.4 Chemical parameters The product shall conform to the requirements specified in Table 2. Table 2 Chemical parameters Parameter Limit in mg/kg of Na2CO32 2 2 0,1 2 2 Arsenic (As) max. Cadmium (Cd) max. Chromium (Cr) max. Mercury (Hg) max. Nickel (Ni) max. Lead (Pb) max. NOTE Antimony
40、, selenium, cyanides, pesticides and polycyclic aromatic hydrocarbons are not relevant in sodium carbonate. For parametric values of sodium carbonate on trace metal content in drinking water, see 1. 5 Test methods The methods for sampling and analysis are those specified in EN 897. 6 Labelling Trans
41、portation Storage 6.1 Means of delivery Sodium carbonate can be delivered in bulk, bulk bags or in bags. To ensure that the purity of the products is not affected, the means of delivery shall not have been previously used for any different product or it shall have been specially cleaned and prepared
42、 before use. 6.2 Labelling according to the EU legislation4)The following labelling requirements apply to sodium carbonate at the date of the publication of this document. 4) See 2. DIN EN 15362:2014-08 EN 15362:2014 (E) 10 GHS07 Figure 1 Hazard Pictogram Signal word : Warning. Hazard statement: H 3
43、19 Causes serious eye irritation. The legislation 2, and its amendments for the purposes of its adaptation to technical and scientific progress, contains a list of substances classified by the EU. Substances not listed in this regulation should be classified on the basis of their intrinsic propertie
44、s according to the criteria in the regulation by the person responsible for the marketing of the substance. 6.3 Transportation regulations and labelling Sodium carbonate is not listed under a UN Number5). Sodium carbonate is not classified as a dangerous product for road, rail, sea and air transport
45、ation. 6.4 Marking The marking shall include the following: the name “sodium carbonate“ and trade name; the net mass; the name and address of supplier and/or manufacturer; the statement: “This product conforms to EN 15362.“ 6.5 Storage 6.5.1 General For more details about use, see Annex A. 6.5.2 Lon
46、g term stability Sodium carbonate is stable in dry conditions. 6.5.3 Storage incompatibilities Keep bags tightly closed and dry. Keep away from acids. 5) United Nations Number. DIN EN 15362:2014-08 EN 15362:2014 (E) 11 Annex A (informative) General information on sodium carbonate A.1 Origin A.1.1 Ra
47、w materials Sodium chloride, limestone. A.1.2 Manufacturing process Ammonia-soda-process (SOLVAY process). A.2 Use A.2.1 Function Sodium carbonate is mainly used for increase of pH value and buffering capacity. A.2.2 Form in which the product is used Sodium carbonate is mainly used as a solution, at
48、 concentration up to about a mass fraction of 10 %. A.2.3 Treatment dose The treatment dose depends on the application or the initial pH value and the buffer capacity of the water and the type of water treatment. A.2.4 Means of application The product is dosed directly into the pool or as a solution
49、. For private swimming pools, manual addition of the product directly into the pool or after a previous dissolution. A.2.5 Secondary effects Overdosing can cause an increase of turbity. A.2.6 Removal of excess product The excess product is removed by neutralisation. DIN EN 15362:2014-08 EN 15362:2014 (E) 12 Annex B (normative) General rules relating to safety B.1 Rules for safe handling and use The supplier shall provide current safety instructions. B.2 Emergency procedures B.2.1 First aid WARNING In case of contact of aqueous s
