1、February 2014 Translation by DIN-Sprachendienst.English price group 9No 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).IC
2、S 71.100.80!%,BS“2093148www.din.deDDIN EN 16401Chemicals used for treatment of swimming pool water Sodium chloride used for electrochlorinator systems;English version EN 16401:2013,English translation of DIN EN 16401:2014-02Produkte zur Aufbereitung von Schwimm- und Badebeckenwasser Natriumchlorid f
3、r den Einsatz in Anlagen zur elektrochemischen Erzeugung von Chlor;Englische Fassung EN 16401:2013,Englische bersetzung von DIN EN 16401:2014-02Produits chimiques utiliss pour le traitement de leau des piscines Chlorure de sodium utilis avec les systmes dlectrochloration;Version anglaise EN 16401:20
4、13,Traduction anglaise de DIN EN 16401:2014-02www.beuth.deDocument comprises 1 pagesIn case of doubt, the German-language original shall be considered authoritative.501.14DIN EN 16401:2014-02 2 A comma is used as the decimal marker. National foreword This document (EN 16401:2013) has been prepared b
5、y Technical Committee CEN/TC 164 “Water supply” (Secretariat: AFNOR, France). The responsible German body involved in its preparation was the Normenausschuss Wasserwesen (Water Practice Standards Committee), Working Committee NA 119-04-02 AA Wasseraufbereitung. EUROPEAN STANDARD NORME EUROPENNE EURO
6、PISCHE NORM EN 16401 October 2013 ICS 71.100.80 English Version Chemicals used for treatment of swimming pool water - Sodium chloride used for electrochlorinator systems Produits chimiques utiliss pour le traitement de leau des piscines - Chlorure de sodium utilis avec les systmes dlectrochloration
7、Produkte zur Aufbereitung von Schwimm- und Badebeckenwasser - Natriumchlorid fr den Einsatz in Anlagen zur elektrochemischen Erzeugung von Chlor This European Standard was approved by CEN on 14 September 2013. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate
8、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 Standa
9、rd 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 natio
10、nal 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, Slov
11、akia, 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 2013 CEN All rights of exploitation in any form and by any mean
12、s reserved worldwide for CEN national Members. Ref. No. EN 16401:2013: EEN 16401:2013 (E) 2 Contents Page Foreword 3 Introduction . 4 1 Scope 5 2 Normative 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 crit
13、eria 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 Labelling - Transportation - Storage 9 6.1 Means of delivery . 9 6.2 Labelling according to the EU legislation . 9 6.3 Transportation regulations and la
14、belling 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 rules relating to safety 11 Bibliography 13 DIN EN 16401:2014-02 EN 16401:2013 (E) 3 Foreword This document (EN 16401:2013) has been prepared by Technical
15、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 2014, and conflicting national standards shall be withdrawn at
16、 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/or CENELEC shall not be held responsible for identifying any or all such patent rights. According to the CEN-CENELEC Internal Regulations, the nati
17、onal 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, Italy, Latvia, Lit
18、huania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. DIN EN 16401:2014-02 EN 16401:2013 (E) 4 Introduction In respect of potential adverse effects on the quality of water for swimming pools, caused b
19、y 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 any of the Member States of the EU or EFTA; b) it should be noted that, while awaiting the adoption of verifiable European criteria, existin
20、g national regulations concerning the use and/or the characteristics of this product remain in force. NOTE Conformity with this European Standard 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 Europ
21、ean Standard is subject to regulation or control by National Authorities. DIN EN 16401:2014-02 EN 16401:2013 (E) 5 1 Scope This European Standard is applicable only to sodium chloride used in electrochlorinator systems and not to mixtures with other chemicals used for treatment of swimming pool wate
22、r. It describes the characteristics of sodium chloride used in electrochlorinator systems and specifies the requirements and the corresponding test methods for sodium chloride used in electrochlorinator systems. It gives information on its use in swimming water treatment. It also determines the rule
23、s 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 and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edit
24、ion of the referenced document (including any amendments) applies. EN 973, Chemicals used for treatment of water intended for human consumption - Sodium chloride for regeneration of ion exchangers 3 Description 3.1 Identification 3.1.1 Chemical name Sodium chloride. 3.1.2 Synonym or common name Salt
25、. 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 sodium chloride. 3.1.7 EINECS Reference2)231-598-3 for sodium chloride. 1) Chemical Abstract Service Registry Number. 2) European Inventory o
26、f Existing Commercial Chemical Substances. DIN EN 16401:2014-02 EN 16401:2013 (E) 6 3.2 Commercial forms These products are available as rock salt, sea salt or evaporated salt, and it is supplied as free-flowing crystals or their compacted forms. 3.3 Physical properties 3.3.1 Appearance The product
27、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 Solubility (in water) The solubility of the product depends on the temperature as given in Figure 1. Temperature NaCl solution C % (m/m) -
28、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 curve for sodium chloride in water DIN EN 16401:2014-02 EN 16401:2013 (E) 7 3.3.4 Vapour pressure Not applicable. 3.3.5 Boiling point
29、 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 viscosity of the saturated solution at 20 C is approximately 1,9 mPas. 3.3.9 Critical temperature Not applicable. 3.3.10 Crit
30、ical 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 is stable, non-volatile and aqueous solutions have good electrical conductivity. Sodium chloride is decomposed by a number of
31、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 sodium chloride solution can cause corrosion of metallic surfaces. 4 Purity criteria 4.1 General This European Standard speci
32、fies the minimum purity requirements for sodium chloride for swimming-pool chlorine generators. 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 be notified to the user
33、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 the current production process and raw materials. If the production process or raw materials lead to significant quantities of
34、 impurities, by-products or additives being present, this shall be notified to the user. 3) 100 kPa = 1 bar. DIN EN 16401:2014-02 EN 16401:2013 (E) 8 4.2 Composition of commercial product The content of sodium chloride in the dry product shall not be less than: grade A: mass fraction 99,4 % of dry N
35、aCl; 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(CN)64see EN 973). 4.3 Impurities and main by-products The product shall conform to the requirements specified in Table 1
36、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 fraction % of NaCI content Moisture content Dry salt Undried salt max. 0,6 5 4.4 Chemical parameters The product shall con
37、form to the requirements specified in Table 3. 4) E number 535 or 536. DIN EN 16401:2014-02 EN 16401:2013 (E) 9 Table 3 Chemical parameters Parameter Limits in mg/kg of commercial product Calcium (Ca) + Magnesium (Mg) max. 1 000 Arsenic (As) max. 13 Cadmium (Cd) max. 1,3 Chromium (Cr) max. 13 Mercur
38、y (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 Test methods The sampling and the analytical methods are those described in EN 973. 6 Labelling - Transportation - St
39、orage 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 been used previously for any different product or it shall have been specially cleaned and prepared before use. 6.2 La
40、belling 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 amendments for the purposes of its adaptation to technical and scientific progress contains a list of substances classified
41、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 responsible for the marketing of the substance. 6.3 Transportation regulations and labelling Sodium chloride is not classified
42、 as a dangerous product for road, rail, sea and air transportation. 5) See 1. DIN EN 16401:2014-02 EN 16401:2013 (E) 10 6.4 Marking The marking shall include the following: name “sodium chloride”, trade name, grade; net mass; name and address of the supplier and/or manufacturer; statement “this prod
43、uct 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 kept away from acids, alkaloidal, heavy metal salts and oxidizers. DIN EN 16401:2014-02 EN 16401:2013 (E) 11 Anne
44、x 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 produced by sea water evaporation via the action of sun and wind. Evaporated salt: Salt produced by evapor
45、ating 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 electrolysis of the brine for disinfection of the water. A.2.2 Form in which it is used It is used in the form of
46、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 is typically in the range of 1,7 kg to 3 kg of NaCl per kilogram of chlorine. A.2.4 Means of application To
47、 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 particular precaution is necessary. A.3.1 Rules for safe handling and use The supplier will provide current safe
48、ty instructions. DIN EN 16401:2014-02 EN 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 plenty of water. A.3.2.2 Spillage The product should be collected, then the area should be rinsed with p
49、lenty of water. A.3.2.3 Fire The product is not combustible. DIN EN 16401:2014-02 EN 16401:2013 (E) 13 Bibliography 1 Regulation (EC) No 1272/2008 of the European Parliament and of the Council of 16 December 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) DIN EN 16401:2014-02
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