BS EN 16401-2013 Chemicals used for treatment of swimming pool water Sodium chloride used for electrochlorinator systems《游泳池用水用化学品 电解氯化器系统用氯化钠》.pdf

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1、BSI Standards PublicationBS EN 16401:2013Chemicals used for treatmentof swimming pool water Sodium chloride used forelectrochlorinator systemsBS EN 16401:2013 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN 16401:2013.The UK participation in its preparation was

2、entrusted to TechnicalCommittee CII/59, Chemicals for drinking water treatment.A list of organizations represented on this committee can beobtained on request to its secretary.This publication does not purport to include all the necessaryprovisions of a contract. Users are responsible for its correc

3、tapplication. The British Standards Institution 2013. Published by BSI StandardsLimited 2013ISBN 978 0 580 77808 7ICS 71.100.80Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of theStandards Policy and Strategy C

4、ommittee on 31 October 2013.Amendments issued since publicationDate Text affectedBS EN 16401:2013EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 16401 October 2013 ICS 71.100.80 English Version Chemicals used for treatment of swimming pool water - Sodium chloride used for electrochlorinator sys

5、tems Produits chimiques utiliss pour le traitement de leau des piscines - Chlorure de sodium utilis avec les systmes dlectrochloration Produkte zur Aufbereitung von Schwimm- und Badebeckenwasser - Natriumchlorid fr den Einsatz in Anlagen zur elektrochemischen Erzeugung von Chlor This European Standa

6、rd was approved by CEN on 14 September 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

7、 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

8、 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, German

9、y, 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 COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR N

10、ORMUNG CEN-CENELEC 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 16401:2013: EBS EN 16401:2013EN 16401:2013 (E) 2 Contents Page Foreword 3 Introduction . 4 1 Scope 5 2 Nor

11、mative references 5 3 Description . 5 3.1 Identification . 5 3.2 Commercial forms . 6 3.3 Physical properties 6 3.4 Chemical properties 7 4 Purity criteria 7 4.1 General 7 4.2 Composition of commercial product . 8 4.3 Impurities and main by-products . 8 4.4 Chemical parameters 8 5 Test methods 9 6 L

12、abelling - Transportation - Storage 9 6.1 Means of delivery . 9 6.2 Labelling according to the EU legislation . 9 6.3 Transportation regulations and labelling 9 6.4 Marking . 10 6.5 Storage 10 Annex A (informative) General information on sodium chloride . 11 A.1 Origin 11 A.2 Use 11 A.3 General rule

13、s relating to safety 11 Bibliography 13 BS EN 16401:2013EN 16401:2013 (E) 3 Foreword This document (EN 16401:2013) 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, e

14、ither by publication of an identical text or by endorsement, at the latest by April 2014, and conflicting national standards shall be withdrawn at the latest by April 2014. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and/o

15、r CENELEC shall not be held responsible for identifying any or all such patent rights. According to the CEN-CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech

16、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.

17、BS EN 16401:2013EN 16401:2013 (E) 4 Introduction In respect of potential adverse effects on the quality of water for swimming pools, caused by the product covered by this European Standard: a) this European Standard provides no information as to whether the product may be used without restriction in

18、 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 European Standard does not conf

19、er 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 European Standard is subject to regulation or control by National Authorities. BS EN 16401:2013EN 16401:2013 (E) 5 1 Scope This European Standard is applicable only

20、 to sodium chloride used in electrochlorinator systems and not to mixtures with other chemicals used for treatment of swimming pool water. It describes the characteristics of sodium chloride used in electrochlorinator systems and specifies the requirements and the corresponding test methods for sodi

21、um chloride used in electrochlorinator systems. It gives information on its use in swimming water treatment. It also determines the rules relating to safe handling and use (see Annex A). 2 Normative references The following documents, in whole or in part, are normatively referenced in this document

22、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 973, Chemicals used for treatment of water intended for human consumption - Sodium chloride fo

23、r regeneration of ion exchangers 3 Description 3.1 Identification 3.1.1 Chemical name Sodium chloride. 3.1.2 Synonym or common name Salt. 3.1.3 Relative molecular mass 58,45 for sodium chloride. 3.1.4 Empirical formula NaCl. 3.1.5 Chemical formula NaCl. 3.1.6 CAS Registry Number1)7647-14-5 for sodiu

24、m chloride. 3.1.7 EINECS Reference2)231-598-3 for sodium chloride. 1) Chemical Abstract Service Registry Number. 2) European Inventory of Existing Commercial Chemical Substances. BS EN 16401:2013EN 16401:2013 (E) 6 3.2 Commercial forms These products are available as rock salt, sea salt or evaporate

25、d salt, and it is supplied as free-flowing crystals or their compacted forms. 3.3 Physical properties 3.3.1 Appearance The product is white and crystalline. 3.3.2 Density The density of the solid crystal is 2,16 g/cm3at 20 C. The bulk density depends on the particle size distribution. 3.3.3 Solubili

26、ty (in water) The solubility of the product depends on the temperature as given in Figure 1. Temperature NaCl solution C % (m/m) - 10 25,0 0 26,34 10 26,35 20 26,43 30 26,56 40 26,71 50 26,89 60 27,09 70 27,30 80 27,53 90 27,80 100 28,12 Key 1 Transition point NaCl NaCl.2H2O Figure 1 - Solubility cu

27、rve for sodium chloride in water BS EN 16401:2013EN 16401:2013 (E) 7 3.3.4 Vapour pressure Not applicable. 3.3.5 Boiling point at 100 kPa3)Not applicable. 3.3.6 Melting point 802 C for sodium chloride. 3.3.7 Specific heat Approximately 850 J/(kgK) at 25 C for the solid. 3.3.8 Viscosity (dynamic) The

28、 viscosity of the saturated solution at 20 C is approximately 1,9 mPas. 3.3.9 Critical temperature Not applicable. 3.3.10 Critical pressure Not applicable. 3.3.11 Physical hardness The hardness of solid salt is given as 2 to 2,5 on the Mohs scale of hardness. 3.4 Chemical properties Sodium chloride

29、is stable, non-volatile and aqueous solutions have good electrical conductivity. Sodium chloride is decomposed by a number of acids. It reacts with sulfuric acid, phosphoric acid and strong oxidizing agents. The reactions are often complex and require heat for completion. Under certain conditions, a

30、 sodium chloride solution can cause corrosion of metallic surfaces. 4 Purity criteria 4.1 General This European Standard specifies the minimum purity requirements for sodium chloride for swimming-pool chlorine generators. Limits are given for impurities commonly present in the product. Depending on

31、the raw material and the manufacturing process other impurities may be present and, if so, this shall be notified to the user and when necessary to relevant authorities. Limits have been given for impurities and chemical parameters where these are likely to be present in significant quantities from

32、the current production process and raw materials. If the production process or raw materials lead to significant quantities of impurities, by-products or additives being present, this shall be notified to the user. 3) 100 kPa = 1 bar. BS EN 16401:2013EN 16401:2013 (E) 8 4.2 Composition of commercial

33、 product The content of sodium chloride in the dry product shall not be less than: grade A: mass fraction 99,4 % of dry NaCl; grade B: mass fraction 98,5 % of dry NaCl. NOTE An anticaking agent, sodium or potassium hexacyanoferrate4), is not allowed (for the determination of hexacyanoferrate ion Fe(

34、CN)64see EN 973). 4.3 Impurities and main by-products The product shall conform to the requirements specified in Table 1 and Table 2. Table 1 Impurities Impurity Limit Mass fraction % of NaCI content Water-insoluble matter Grade A Grade B max. 0,05 0,35 Table 2 Moisture content Impurity Limit Mass f

35、raction % of NaCI content Moisture content Dry salt Undried salt max. 0,6 5 4.4 Chemical parameters The product shall conform to the requirements specified in Table 3. 4) E number 535 or 536. BS EN 16401:2013EN 16401:2013 (E) 9 Table 3 Chemical parameters Parameter Limits in mg/kg of commercial prod

36、uct Calcium (Ca) + Magnesium (Mg) max. 1 000 Arsenic (As) max. 13 Cadmium (Cd) max. 1,3 Chromium (Cr) max. 13 Mercury (Hg) max. 0,26 Nickel (Ni) max. 13 Lead (Pb) max. 13 Antimony (Sb) max. 2,6 Selenium (Se) max. 2,6 Copper (Cu) max. 2 Manganese (Mn) max. 2 Iron (Fe) max. 2 Bromine (Br) max. 250 5 T

37、est methods The sampling and the analytical methods are those described in EN 973. 6 Labelling - Transportation - Storage 6.1 Means of delivery Sodium chloride shall be delivered in water resistant bags. In order that the purity of the product is not affected, the means of delivery shall not have be

38、en used previously for any different product or it shall have been specially cleaned and prepared before use. 6.2 Labelling according to the EU legislation5)At the date of the publication of this European Standard no labelling requirements apply to sodium chloride. The regulation 1, and its amendmen

39、ts 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 properties according to the criteria in the regulation by the person responsibl

40、e for the marketing of the substance. 6.3 Transportation regulations and labelling Sodium chloride is not classified as a dangerous product for road, rail, sea and air transportation. 5) See 1. BS EN 16401:2013EN 16401:2013 (E) 10 6.4 Marking The marking shall include the following: name “sodium chl

41、oride”, trade name, grade; net mass; name and address of the supplier and/or manufacturer; statement “this product conforms to EN 16401”. 6.5 Storage 6.5.1 Long term stability Product is stable when stored in containers in a cool and dry place. 6.5.2 Storage incompatibilities The product shall be ke

42、pt away from acids, alkaloidal, heavy metal salts and oxidizers. BS EN 16401:2013EN 16401:2013 (E) 11 Annex A (informative) General information on sodium chloride A.1 Origin Rock salt: Salt produced by mining salt deposits of different geological formations derived from ancient seas. Sea salt: Salt

43、produced by sea water evaporation via the action of sun and wind. Evaporated salt: Salt produced by evaporating water from a salt solution in a special evaporator leading to the recrystallization of the salt. A.2 Use A.2.1 Function Salt to be used to produce active chlorine (Cl2or NaClO) by electrol

44、ysis of the brine for disinfection of the water. A.2.2 Form in which it is used It is used in the form of an aqueous solution, at a concentration given by the equipment supplier. A.2.3 Consumption of salt for electrochlorination The consumption is variable and depends on the applied technique, and i

45、s typically in the range of 1,7 kg to 3 kg of NaCl per kilogram of chlorine. A.2.4 Means of application To be documented by the equipment supplier. A.2.5 Secondary effects Increase of the chloride content. A.2.6 Removal of excess product Not applicable. A.3 General rules relating to safety No partic

46、ular precaution is necessary. A.3.1 Rules for safe handling and use The supplier will provide current safety instructions. BS EN 16401:2013EN 16401:2013 (E) 12 A.3.2 Emergency procedures A.3.2.1 First aid If sodium chloride is in contact with the eyes or the skin, it is recommended to rinse with ple

47、nty of water. A.3.2.2 Spillage The product should be collected, then the area should be rinsed with plenty of water. A.3.2.3 Fire The product is not combustible. BS EN 16401:2013EN 16401:2013 (E) 13 Bibliography 1 Regulation (EC) No 1272/2008 of the European Parliament and of the Council of 16 Decem

48、ber 2008 on classification, labelling and packaging of substances and mixtures, amending and repealing Directives 67/548/EEC and 1999/45/EC, and amending Regulation (EC) No 1907/2006 (REACH) This page deliberately left blankThis page deliberately left blankBSI is the national body responsible for pr

49、eparing British Standards and other standards-related publications, information and services.BSI is incorporated by Royal Charter. British Standards and other standardization products are published by BSI Standards Limited.British Standards Institution (BSI)BSI Group Headquarters389 Chiswick High Road London W4 4AL UKAbout usWe bring together business, industry, government, consumers, innovators and others to shape their combined experience and expertise into standards -based solutions.The knowledge embodied in our standards has been care

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