1、September 2012 Translation by DIN-Sprachendienst.English price group 12No 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).
2、ICS 71.100.80!$0“1915813www.din.deDDIN EN 16038Chemicals used for treatment of water for swimming pools Sodium hydrogen sulfate;English version EN 16038:2012,English translation of DIN EN 16038:2012-09Produkte zur Aufbereitung von Schwimm- und Badebeckenwasser Natriumhydrogensulfat;Englische Fassung
3、 EN 16038:2012,Englische bersetzung von DIN EN 16038:2012-09Produits chimiques utiliss pour le traitement de leau des piscines Hydrognosulfate de sodium;Version anglaise EN 16038:2012,Traduction anglaise de DIN EN 16038:2012-09www.beuth.deIn case of doubt, the German-language original shall be consi
4、dered authoritative.Document comprises 15 pages 08.12 DIN EN 16038:2012-09 2 A comma is used as the decimal marker. National foreword This standard has been prepared by Technical Committee CEN/TC 164 “Water supply” (Secretariat: AFNOR, France). The responsible German body involved in its preparation
5、 was the Normenausschuss Wasserwesen (Water Practice Standards Committee), Working Committee NA 119-04-02 AA Wasseraufbereitung. EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 16038 July 2012 ICS 71.100.80 English Version Chemicals used for treatment of water for swimming pools - Sodium hydrog
6、en sulfate Produits chimiques utiliss pour le traitement de leau des piscines - Hydrognosulfate de sodium Produkte zur Aufbereitung von Schwimm- und Badebeckenwasser - Natriumhydrogensulfat This European Standard was approved by CEN on 24 May 2012. CEN members are bound to comply with the CEN/CENELE
7、C 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
8、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 offic
9、ial 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,
10、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 2012 CEN All rights of exploitation
11、in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 16038:2012: EEN 16038:2012 (E) 2 Contents Page Foreword 3Introduction .41 Scope 52 Normative references 53 Description .54 Purity criteria 75 Test methods 86 Labelling Transportation Storage 8Annex A (informative)
12、General information on sodium hydrogen sulfate . 11Annex B (normative) General rules relating to safety 12Bibliography . 13DIN EN 16038:2012-09 EN 16038:2012 (E) 3 Foreword This document (EN 16038:2012) has been prepared by Technical Committee CEN/TC 164 “Water supply”, the secretariat of which is h
13、eld 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 January 2013, and conflicting national standards shall be withdrawn at the latest by January 2013. Attention is drawn to the possibili
14、ty 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 national standards organisations of the following countries are bo
15、und 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, Portug
16、al, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. DIN EN 16038:2012-09 EN 16038:2012 (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 Europ
17、ean 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, existing national regulations concerning the use and/or the character
18、istics 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 European Standard is subject to regulation or control by National A
19、uthorities. DIN EN 16038:2012-09 EN 16038:2012 (E) 5 1 Scope This European Standard is applicable to sodium hydrogen sulfate used for treatment of swimming pool water. It describes the characteristics of sodium hydrogen sulfate and specifies the requirements and the corresponding test methods for so
20、dium hydrogen sulfate. It gives information on its use in water treatment for swimming pools. 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 appli
21、es. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 16037, Chemicals used for treatment of water intended for human consumption Sodium hydrogen sulfate. 3 Description 3.1 Identification 3.1.1 Chemical name Sodium hydrogen sulfate. 3.1.2 Sy
22、nonym or common name Sodium bisulfate. 3.1.3 Relative molecular mass 120,06 g/mol. 3.1.4 Empirical formula NaHSO4. 3.1.5 CAS-Registry-Number1)7681-38-1. 3.1.6 EINECS-Number2)231-665-7. 3.2 Commercial form Powder or beads, free flowing. 1) Chemical Abtracts Service Registry Number. 2) European Invent
23、ory of Existing Commercial Chemical Substances. DIN EN 16038:2012-09 EN 16038:2012 (E) 6 3.3 Physical properties 3.3.1 Appearance and odour White to slightly yellow, odourless. 3.3.2 Density The bulk density of the product is approximately between 1 400 kg/m3and 1 450 kg/m3. 3.3.3 Solubility in wate
24、r Approximately 1 080 g/l at 25 C. 3.3.4 Vapour pressure Not applicable. 3.3.5 Boiling point Not applicable. 3.3.6 Melting point at 100 kPa3)Approximately 180 C. Note 1 to entry: The product decomposes at higher temperatures to sodium disulfate and water. 3.3.7 Specific heat Not applicable. 3.3.8 Vi
25、scosity (dynamic) Not applicable. 3.3.9 Critical temperature Not applicable. 3.3.10 Critical pressure Not applicable. 3.3.11 Physical hardness Not applicable. 3.4 Chemical properties Sodium hydrogen sulfate is hygroscopic. 3) 100 kPa = 1 bar. DIN EN 16038:2012-09 EN 16038:2012 (E) 7 Aqueous solution
26、s of the product exhibit an acid reaction and are corrosive to metals: acid constant pKS= 1,99; a solution with a mass fraction of 20 % has a pH value between 1 and 1,2 at 25 C. 4 Purity criteria 4.1 General This European Standard specifies the minimum purity requirements for sodium hydrogen sulfate
27、 used for the treatment of water for swimming pools. 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 and when necessary to the relevant authorit
28、ies. 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 pools, taking into account raw water quality, required dosage, contents of other impurities and additives used in the product not stated in the
29、 product standard. Limits have been given for impurities and chemicals 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 leads to significant quantities of impurities, by-product
30、s or additives being present, this shall be notified to the user. 4.2 Composition of commercial product The commercial product shall contain a mass fraction of sodium hydrogen sulfate greater than 92 %. 4.3 Impurities and by-products The content of impurities and by-products shall be in accordance w
31、ith Table 1. Table 1 Impurities and by-products Parameter Limit in % (mass fraction) Sodium Sulfate max. 8 Water max. 0,8Water insoluble substances max. 0,05 Iron max. 0,01DIN EN 16038:2012-09 EN 16038:2012 (E) 8 4.4 Chemical Parameters The product shall conform to the requirements specified in Tabl
32、e 2. Table 2 Chemical parameters Parameter Limit in mg/kg NaHSO4Arsenic (As) max. 0,1 Cadmium (Cd) max. 0,1 Chromium (Cr) max. 1 Mercury (Hg) max. 0,1 Nickel (Ni) max. 1 Lead (Pb) max. 1 Antimony (Sb) max. 1 Selenium (Se) max. 1 NOTE Pesticides, polycyclic aromatic hydrocarbons and halogenated organ
33、ic substances are not by-products of the manufacturing process. 5 Test methods The sampling and the analytical methods are those described in EN 16037. 6 Labelling Transportation Storage 6.1 Means of delivery Sodium hydrogen sulfate shall be delivered in polyethylene bags, with net contents of 1 kg
34、to 25 kg, or in flexible bulk containers, with net contents of a maximum of 1 000 kg. 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 Labe
35、lling according to the EU legislation4)At the date of publication of this standard, the following labelling requirements shall apply to sodium hydrogen sulfate: 4) See 1. DIN EN 16038:2012-09 EN 16038:2012 (E) 9 Hazard pictogram Figure 1 GHS05 Signal word : Danger Hazard statement H318: Causes serio
36、us eye damage NOTE Precautionary statements (P statements) should be provided by the company being responsible for the marketing of the substance. They should be indicated on the packaging label and in the extended safety data sheet (eSDS) of the substance. NOTE The regulation 1, and its amendments
37、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 responsible f
38、or the marketing of the substance. 6.3 Transportation regulations and labelling At the date of publication of this standard, Sodium hydrogen sulfate is not listed as UN Number5)and not classified by the manufacturers as a dangerous good according to the transport regulations RID6), ADR7), IMDG8)and
39、IATA9). 6.4 Marking The marking shall include the following: the name: “sodium hydrogen sulfate” and trade name; the net mass; the name and address of supplier and/or manufacturer; the statement “This product conforms to EN 16038”. 5) United Nations Number. 6) Regulations concerning the Internationa
40、l Carriage of Dangerous Goods by Rail. 7) European Agreement concerning the International Carriage of Dangerous Goods by Road. 8) International Maritime Transport of Dangerous Goods Code. 9) International Air Transport Association. Dangerous Goods Regulations. DIN EN 16038:2012-09 EN 16038:2012 (E)
41、10 6.5 Storage 6.5.1 General Store the product in original packages or in tightly closed plastic containers in a cool and dry place. Do not use containers made of common construction metals (mild steel, stainless steel, zinc coated steel, etc.). Keep away from any sources of heat (avoid heat of 60 C
42、 to prevent agglomeration) or incompatible materials. 6.5.2 Long term stability Stable when stored under conditions described in 6.5.1. 6.5.3 Storage incompatibilities Avoid contact with alkaline substances (intense reaction). Avoid contact with common construction metals (corrosion, release of high
43、ly flammable hydrogen gas). Avoid mixtures with hypochlorites and other compounds containing active chlorine (intense reaction, release of toxic chlorine gas). DIN EN 16038:2012-09 EN 16038:2012 (E) 11 Annex A (informative) General information on sodium hydrogen sulfate A.1 Origin A.1.1 Raw material
44、s Sodium hydrogen sulfate is usually manufactured from sulfuric acid and sodium chloride. It can be made from sulfuric acid and sodium sulfate, or from sulfuric acid and sodium hydroxide or from sulfuric acid and sodium carbonate. A.1.2 Manufacturing process The usual manufacturing process is the re
45、action of solid sodium chloride (salt) or sodium sulfate with equivalent amounts of concentrated sulfuric acid under heating according to the reaction formulae: H2SO4+ NaCl NaHSO4+ HCl (A.1) H2SO4+ Na2SO4 2 NaHSO4(A.2) A.2 Use A.2.1 Function It is used for adjustment of pH value. A.2.2 Form in which
46、 it is used The product is usually used as delivered, but it could also be used as an aqueous solution. A.2.3 Treatment dose The treatment dose depends of the pool water quality and the desired pH. A.2.4 Means of application The solid product is directly added into the pool water. The aqueous soluti
47、on of the product is usually applied using a metering pump. A.2.5 Secondary effects Not applicable. A.2.6 Removal of excess product Addition of alkaline agents (e.g. calcium carbonate) is used to neutralize the excess acidity. DIN EN 16038:2012-09 EN 16038:2012 (E) 12 Annex B (normative) General rul
48、es 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 Skin: wash thoroughly with plenty of water and soap. Eyes: rinse immediately and thoroughly with plenty of water for at least 15 min and seek medical advice. Inhalation: remove person to fresh air, if breathing is difficult seek medical help immediately. Ingestion: give plenty of water to drink. Do not induc
