DIN EN 901-2013 Chemicals used for treatment of water intended for human consumption - Sodium hypochlorite German version EN 901 2013《人类生活用水处理用化学品 次氯酸钠 德文版本EN 901-2013》.pdf
《DIN EN 901-2013 Chemicals used for treatment of water intended for human consumption - Sodium hypochlorite German version EN 901 2013《人类生活用水处理用化学品 次氯酸钠 德文版本EN 901-2013》.pdf》由会员分享,可在线阅读,更多相关《DIN EN 901-2013 Chemicals used for treatment of water intended for human consumption - Sodium hypochlorite German version EN 901 2013《人类生活用水处理用化学品 次氯酸钠 德文版本EN 901-2013》.pdf(42页珍藏版)》请在麦多课文档分享上搜索。
1、December 2013 Translation by DIN-Sprachendienst.English price group 18No 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).I
2、CS 71.100.80!%*q.“2077811www.din.deDDIN EN 901Chemicals used for treatment of water intended for humanconsumption Sodium hypochlorite;English version EN 901:2013,English translation of DIN EN 901:2013-12Produkte zur Aufbereitung von Wasser fr den menschlichen Gebrauch Natriumhypochlorit;Englische Fa
3、ssung EN 901:2013,Englische bersetzung von DIN EN 901:2013-12Produits chimiques utiliss pour le traitement de leau destine la consommationhumaine Hypochlorite de sodium;Version anglaise EN 901:2013,Traduction anglaise de DIN EN 901:2013-12SupersedesDIN EN 901:2013-08www.beuth.deDocument comprises 2
4、pagesIn case of doubt, the German-language original shall be considered authoritative.411.13DIN EN 901:2013-12 2 A comma is used as the decimal marker. National foreword This document (EN 901:2013) has been prepared by Technical Committee CEN/TC 164 “Water supply” (Secretariat: AFNOR, France). The r
5、esponsible German body involved in its preparation was the Normenausschuss Wasserwesen (Water Practice Standards Committee), Working Committee NA 119-04-02 AA Wasseraufbereitung. Users of this standard are advised of the reservations stated in the Introduction of the European Standard and should not
6、e that national regulations exist in Germany dealing with water for human consumption, in particular the Trinkwasserverordnung (TrinkwV 2001) (German Drinking Water Ordinance). The DIN Standards corresponding to the International Standards referred to in this document are as follows, whereby EN ISO
7、Standards are only listed below if these have not been published as DIN EN ISO Standards with the same number: EN ISO 3696 DIN ISO 3696 ISO 5725-2 DIN ISO 5725-2 Amendments This standard differs from DIN EN 901:2007-06 as follows: a) specifications concerning hazard and safety related symbols have b
8、een brought in line with the “Globally Harmonized System of Classification, Labelling and Packaging of Chemicals (GHS)” (Global harmonisiertes System zur Einstufung und Kennzeichnung von Chemikalien). b) normative references have been updated. Compared with DIN EN 901:2013-08, the following correcti
9、ons have been made to the German version only and therefore do not affect the English text: c) in Subclause 4.2, first sentence, “je Liter” after “18 % Aktivchlor” (18 % active chlorine) has been deleted; d) in the head of Table 2, third column, “NaClO” has been changed to read “NaClO3”; e) in Subcl
10、ause C.3.11, first indent, the value of the arsenic pentoxide to be dissolved, “1,543 g”, has been corrected to read “1,534 g”. Previous editions DIN 19608: 1959-02, 1969-05, 1976-06 DIN EN 901: 2000-03, 2007-06, 2013-08 DIN EN 901:2013-12 3 National Annex NA (informative) Bibliography DIN ISO 3696,
11、 Water for analytical laboratory use Specification and test methods DIN ISO 5725-2, Accuracy (trueness and precision) of measurement methods and results Part 2: Basic method for the determination of repeatability and reproducibility of a standard measurement method Verordnung ber die Qualitt von Was
12、ser fr den menschlichen Gebrauch (Trinkwasserverordnung TrinkwV 2001) (German Drinking Water Ordinance), as of 28 November 2011 (BGBI. (German Federal Law Gazette) I, 2011, No. 61, pp. 2370-2396), as amended by the second Ordinance amending the Trinkwasserverordnung (TrinkwVndV 2) (German Drinking W
13、ater Ordinance) of 5 December 2011 (BGBl. (German Federal Law Gazette) I, 2012, No. 58, pp. 2562-2567)*)*)Obtainable from: Bundesministerium der Justiz (German Federal Ministry of Justice) (Internet: http:/www.gesetze-im-internet.de). DIN EN 901:2013-12 4 This page is intentionally blank EUROPEAN ST
14、ANDARD NORME EUROPENNE EUROPISCHE NORM EN 901 May 2013 ICS 71.100.80 Supersedes EN 901:2007English Version Chemicals used for treatment of water intended for human consumption - Sodium hypochlorite Produits chimiques utiliss pour le traitement de leau destine la consommation humaine - Hypochlorite d
15、e sodium Produkte zur Aufbereitung von Wasser fr den menschlichen Gebrauch - Natriumhypochlorit This European Standard was approved by CEN on 21 March 2013. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the
16、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 Standard exists in three official versions (English, French
17、, 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 national standards bodies of Austria, Belgium, Bulgaria, C
18、roatia, 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, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey an
19、d United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG 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 901:20
20、13: EEN 901:2013 (E) 2 Contents Page Foreword . 4 Introduction 5 1 Scope 6 2 Normative references . 6 3 Description . 6 3.1 Identification . 6 3.2 Commercial form 7 3.3 Physical properties 7 3.4 Chemical properties . 8 4 Purity criteria 8 4.1 General . 8 4.2 Composition of commercial product . 8 4.3
21、 Impurities and main by-products 8 4.4 Chemical parameters . 9 5 Test methods 9 5.1 Sampling . 9 5.2 Analysis 9 6 Labelling - transportation - storage . 20 6.1 Means of delivery . 20 6.2 Labelling according to the EU legislation 20 6.3 Transportation regulations and labelling 21 6.4 Marking . 21 6.5
22、 Storage . 22 Annex A (informative) General information on sodium hypochlorite . 23 A.1 Origin 23 A.2 Use 23 Annex B (normative) General rules relating to safety . 24 B.1 Rules for safe handling and use 24 B.2 Emergency procedures 24 Annex C (normative) Determination of arsenic, antimony and seleniu
23、m (atomic absorption spectrometry hydride technique) 25 C.1 General principle 25 C.2 Interferences 25 C.3 Reagents . 25 C.4 Apparatus . 27 C.5 Procedure . 29 C.6 Calculation 30 Annex D (normative) Determination of bromate ion content in sodium hypochlorite by liquid chromatography of ions and UV det
24、ection . 31 D.1 General . 31 D.2 Interferences 31 D.3 Principle 31 D.4 Reagents . 31 D.5 Apparatus . 33 D.6 Procedure . 33 DIN EN 901:2013-12 EN 901:2013 (E) 3 Annex E (informative) Results of inter-laboratory tests on sodium bromate determination in sodium hypochlorite commercial solutions 36 Annex
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