1、BSI Standards PublicationBS EN 15075:2013Chemicals used for treatmentof swimming pool water Sodium hydrogen carbonateBS EN 15075:2013 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN 15075:2013. Itsupersedes BS EN 15075:2006 which is withdrawn.The UK participatio
2、n in its preparation was 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 r
3、esponsible for its correctapplication. The British Standards Institution 2013. Published by BSI StandardsLimited 2013ISBN 978 0 580 79927 3ICS 13.060.25; 71.100.80Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority o
4、f theStandards Policy and Strategy Committee on 31 August 2013.Amendments issued since publicationDate Text affectedBS EN 15075:2013EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 15075 May 2013 ICS 71.100.80 Supersedes EN 15075:2006English Version Chemicals used for treatment of swimming pool
5、water - Sodium hydrogen carbonate Produits chimiques utiliss pour le traitement de leau des piscines - Hydrognocarbonate de sodium Produkte zur Aufbereitung von Schwimm- und Badebeckenwasser - Natriumhydrogencarbonat This European Standard was approved by CEN on 14 March 2013. CEN members are bound
6、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-
7、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
8、 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, Lux
9、embourg, 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 Management Centre: Avenue Marnix 17, B-1000 Brussels 2013 CE
10、N All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 15075:2013: EBS EN 15075:2013EN 15075:2013 (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 .
11、6 3.1.2 Synonym 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 6 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 pr
12、essure 7 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 .7 3.3.10 Critical pressure.7 3.3.11 Physical hardness .7 3.4 Chemical properties 8 4 Purity criteria 8 4.1 General 8 4.2 Composition of commercial product
13、.8 4.3 Impurities 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 EU legislation .9 6.3 Transportation regulations and labelling 9 6.4 Marking 10 6.5 Storage . 10 6.5.1 Long-term stability
14、 10 6.5.2 Storage incompatibilities . 10 Annex A (informative) General information on sodium hydrogen carbonate 11 A.1 Origin . 11 A.1.1 Raw materials 11 A.1.2 Manufacturing process 11 A.2 Use . 11 A.2.1 Function . 11 A.2.2 Form in which the product is used . 11 BS EN 15075:2013EN 15075:2013 (E) 3 A
15、.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 A.3 General rules relating to safety 12 A.3.1 Rules for safe handling and use 12 A.3.2 Emergency procedures . 12 A.3.3 Fire 12 Bibliography 13 BS EN 15075:2013EN 15075:2013 (E) 4 Fore
16、word This document (EN 15075:2013) 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 No
17、vember 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 pa
18、tent rights. This document supersedes EN 15075:2006. Significant technical differences between this edition and EN 15075:2006 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 fol
19、lowing 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,
20、 Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 15075:2013EN 15075:2013 (E) 5 Introduction In respect of potential adverse effects on the quality of water for swimming pools caused by the product covered by this European Standa
21、rd, the following statements apply: 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. It should be noted that, while awaiting the adoption of verifiable European criteria, existing national regulat
22、ions concerning the use and/or the characteristics of these products remain in force. NOTE Conformity with the 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 European Standard is s
23、ubject to regulation or control by National Authorities. BS EN 15075:2013EN 15075:2013 (E) 6 1 Scope This European Standard is applicable to sodium hydrogen carbonate used directly or used to prepare commercial formulations for treating swimming pool water. It describes the characteristics of sodium
24、 hydrogen carbonate and specifies the requirements and the corresponding test methods for sodium hydrogen carbonate. It gives information on its use in treating swimming pool water. 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and a
25、re 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 898, Chemicals used for treatment of water intended for human consumption Sodium hydrogen carbonate
26、 3 Description 3.1 Identification 3.1.1 Chemical name Sodium hydrogen carbonate. 3.1.2 Synonym or common name Sodium bicarbonate, bicarbonate of soda, baking soda. 3.1.3 Relative molecular mass 84,01. 3.1.4 Empirical formula NaHCO3. 3.1.5 Chemical formula NaHCO3. 3.1.6 CAS Registry Number1)144-55-8.
27、 3.1.7 EINECS reference2)205-633-8. 1)Chemical Abstracts Service Registry Number. 2)European Inventory of Existing Commercial Chemical Substances. BS EN 15075:2013EN 15075:2013 (E) 7 3.2 Commercial forms The product is available as powder or crystals. 3.3 Physical properties 3.3.1 Appearance The pro
28、duct is a white powder or crystals, slightly hygroscopic. 3.3.2 Density The density of this product is 2,2 g/cm3. The bulk density is ranging from 0,5 kg/dm3to 1,1 kg/dm3. 3.3.3 Solubility in water The product is soluble at 95 g/l at 20 C. 3.3.4 Vapour pressure Not applicable. 3.3.5 Boiling point at
29、 100 kPa3)Not applicable. 3.3.6 Melting point Not applicable. The product decomposes at 50 C. 3.3.7 Specific heat 1,197 J/(kg K). 3.3.8 Viscosity (dynamic) Not applicable. 3.3.9 Critical temperature Not applicable. 3.3.10 Critical pressure Not applicable. 3.3.11 Physical hardness The hardness of sol
30、id sodium hydrogen carbonate is given as 1,5 to 2 on the Mohs scale of hardness. 3)100 kPa = 1 bar. BS EN 15075:2013EN 15075:2013 (E) 8 3.4 Chemical properties Sodium hydrogen carbonate as specified is technical water-free NaHCO3. Sodium hydrogen carbonate reacts exothermically with acids and leads
31、to the formation of carbon dioxide. 4 Purity criteria 4.1 General This European Standard specifies the minimum purity requirements for sodium hydrogen carbonate used for treating water for swimming pools. Limits are given for impurities commonly present in the product. Depending on the raw material
32、and the manufacturing process, other impurities may be present and, if so, the user, and when necessary the relevant authorities, shall be notified. Users of this product should check the national regulations in order to clarify whether it is of appropriate purity for treatment of water for swimming
33、 pools, taking into account raw water quality, required dosage, contents of other impurities 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 c
34、urrent production process and raw materials. If the production process or raw materials lead to significant quantities of impurities, by-products or additives being present, the user shall be notified. 4.2 Composition of commercial product The product shall contain not less than a mass fraction of 9
35、8,5 % of NaHCO3. 4.3 Impurities and main by-products The product shall conform to the requirements specified in Table 1. The concentration limits refer to pure NaHCO3. Table 1 Impurities Impurity Limit in mg/kg of NaHCO3Iron (II)amax. 5 Insoluble mattersbmax. 200 aIron(II) can cause organoleptic pro
36、blems. bIndicates the presence of foreign matter. BS EN 15075:2013EN 15075:2013 (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 NaHCO3Arsenic (As) max. 2 Cadmium (Cd) max. 2 Chromium (Cr) max. 2
37、 Mercury (Hg) max. 0,1 Nickel (Ni) max. 2 Lead (Pb) max. 2 NOTE Antimony, selenium, cyanides, pesticides and polycyclic aromatic hydrocarbons are not relevant in sodium hydrogen carbonate. For parametric values of sodium hydrogen carbonate on trace metal content in drinking water, see 1. 5 Test meth
38、ods The sampling and the analytical methods shall be those described in EN 898. 6 Labelling - Transportation - Storage 6.1 Means of delivery Sodium hydrogen carbonate can be delivered in bulk, bulk bags or in bags. To ensure the purity of the product, the means of delivery shall not have been previo
39、usly used for any different product or it shall have been specially cleaned and prepared before use. 6.2 Labelling according to EU legislation4)Sodium hydrogen carbonate is not subject to labelling regulations at the publication date of this European Standard. The regulation 2, and its amendments fo
40、r 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 responsible fo
41、r the marketing of the substance. 6.3 Transportation regulations and labelling Sodium hydrogen carbonate is not listed under a UN Number.5)Sodium hydrogen carbonate is not classified as a dangerous product for road, rail, sea and air transportation. 4)See 2. 5)United Nations Number. BS EN 15075:2013
42、EN 15075:2013 (E) 10 6.4 Marking The marking shall include the following information: name “sodium hydrogen carbonate“, the trade name and the grade; net mass; name and the address of supplier and/or manufacturer; statement “this product conforms to EN 15075“. 6.5 Storage 6.5.1 Long-term stability S
43、odium hydrogen carbonate is stable up to 50 C in dry conditions. 6.5.2 Storage incompatibilities Keep bags tightly closed and dry; keep away from acids. BS EN 15075:2013EN 15075:2013 (E) 11 Annex A (informative) General information on sodium hydrogen carbonate A.1 Origin A.1.1 Raw materials Sodium h
44、ydrogen carbonate is manufactured from sodium chloride, limestone or sodium carbonate and carbon dioxide. A.1.2 Manufacturing process Sodium hydrogen carbonate is produced by following the ammonia-soda-process (SOLVAY process). A.2 Use A.2.1 Function The product is used to increase the pH of swimmin
45、g pool water. A.2.2 Form in which the product is used The product is used as a powder or as a solution at concentrations up to approximately a mass fraction of 5 %. A.2.3 Treatment dose The treatment dose is variable depending on water quality and application. Usually, in order to have an efficient
46、treatment, it is recommended that the alkalinity should be between 80 mg/l to 200 mg/l of CaCO3. A.2.4 Means of application The product is dosed directly as a powder or as a solution. For private pools: manual addition directly into the pool or after a previous dissolution. A.2.5 Secondary effects N
47、ot relevant. A.2.6 Removal of excess product Remove excess product by using an aqueous solution of acid or by diluting with water. BS EN 15075:2013EN 15075:2013 (E) 12 A.3 General rules relating to safety A.3.1 Rules for safe handling and use Anti-dust mask if dust is present. Protective gloves in t
48、he case of frequent or prolonged use. Anti-dust glasses if dust is present. A.3.2 Emergency procedures A.3.2.1 First aid In case of contact with eyes, rinse with running water to eliminate particles of the product. In case of ingestion, water should be given to drink. A.3.2.2 Spillage The product sh
49、ould be collected, and then it should be rinsed with water. A.3.3 Fire Sodium hydrogen carbonate is not combustible. BS EN 15075:2013EN 15075:2013 (E) 13 Bibliography 1 98/83/EC: Council Directive of 3rd November 1998 on the quality of water intended for human consumption 2 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)
