1、November 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).I
2、CS 71.100.80!$vd“1928365www.din.deDDIN EN 13752Chemicals used for treatment of water intended for humanconsumption Manganese dioxide;English version EN 13752:2012,English translation of DIN EN 13752:2012-11Produkte zur Aufbereitung von Wasser fr den menschlichen Gebrauch Mangandioxid;Englische Fassu
3、ng EN 13752:2012,Englische bersetzung von DIN EN 13752:2012-11Produits chimiques utiliss pour le traitement de leau destine la consommationhumaine Dioxyde de manganse;Version anglaise EN 13752:2012,Traduction anglaise de DIN EN 13752:2012-11SupersedesDIN EN 13752:2009-07www.beuth.deDocument comprise
4、s 20 pagesIn case of doubt, the German-language original shall be considered authoritative.10.12 DIN EN 13752:2012-11 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 responsi
5、ble German body involved in its preparation was the Normenausschuss Wasserwesen (Water Practice Standards Committee), Working Committee NA 119-04-02 AA Wasseraufbereitung. The DIN Standards corresponding to the International Standards referred to in Clause 2 of the EN are as follows, whereby EN ISO
6、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 Amendments This standard differs from DIN EN 13752:2009-07 as follows: a) products with a higher purity and particle size and relevant specifications have been incl
7、uded and two product classes have been specified; b) specifications concerning hazard and safety related symbols have been brought in line with the “Globally Harmonized System of Classification, Labelling and Packaging of Chemicals (GHS)” (Global harmonisiertes System zur Einstufung und Kennzeichnun
8、g von Chemikalien). Previous editions DIN EN 13752: 2003-07, 2009-07 National Annex NA (informative) Bibliography DIN ISO 3696, Water for analytical laboratory use Specification and test methods EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 13752 August 2012 ICS 71.100.80 Supersedes EN 13752:
9、2009English Version Chemicals used for treatment of water intended for human consumption - Manganese dioxide Produits chimiques utiliss pour le traitement de leau destine la consommation humaine - Dioxyde de manganse Produkte zur Aufbereitung von Wasser fr den menschlichen Gebrauch - Mangandioxid Th
10、is European Standard was approved by CEN on 13 July 2012. 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 referenc
11、es 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, German). A version in any other language made by translation under the responsibility of a CEN me
12、mber 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, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, F
13、rance, Germany, 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
14、 KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2012 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 13752:2012: EEN 13752:2012 (E) 2 Contents Page Foreword 4Introduction .51 Scope 62 Normative references 6
15、3 Terms, definitions and symbols .64 Description .64.1 Identification .64.1.1 Chemical name .64.1.2 Synonym or common names 64.1.3 Chemical formula .64.1.4 CAS Registry number .74.1.5 EINECS reference .74.2 Commercial form .75 Physical properties 75.1 Appearance 75.2 Particle size distribution .75.3
16、 Density 85.3.1 Bulk density loose .85.3.2 Bulk density packed 86 Chemical properties 87 Specific properties.88 Test methods 88.1 Sampling .88.2 Analysis 88.2.1 Particle size distribution .88.2.2 Bulk density loose .88.2.3 Bulk density packed 98.2.4 Oxidation capacity .99 Labelling, transportation a
17、nd storage 109.1 Means of delivery 109.2 Labelling according to the EU legislation 119.3 Transportation regulations and labelling . 119.4 Marking 119.5 Storage . 129.5.1 Long term chemical stability . 129.5.2 Storage incompatibility 12Annex A (informative) General information on manganese dioxide .
18、13A.1 Origin . 13A.1.1 Raw material 13A.1.2 Manufacturing process 13A.2 Typical properties . 13A.2.1 Chemical composition . 13A.2.2 Mechanical strength . 14A.2.3 Alternative description of particle size distribution 14A.2.4 Absolute density . 14A.3 Use . 15DIN EN 13752:2012-11 EN 13752:2012 (E) 3 A.
19、3.1 Function 15A.3.2 Method of use 15A.3.3 Oxidation capacity . 15A.3.4 Specific amount . 15A.3.5 Means of application . 15A.3.6 Secondary effects 16A.4 Hydraulic characteristics 16A.4.1 Interstitial volume 16A.4.2 Head loss in filtration 16A.4.3 Expansion in up-flow washing . 16Annex B (normative)
20、General rules relating to safety . 17B.1 Rules for safe handling and use 17B.2 Emergency procedures . 17B.2.1 First aid . 17B.2.2 Spillage . 17B.2.3 Fire 17Bibliography 18DIN EN 13752:2012-11 EN 13752:2012 (E) 4 Foreword This document (EN 13752:2012) has been prepared by Technical Committee CEN/TC 1
21、64 “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 February 2013, and conflicting national standards shall be withdrawn at the latest by
22、February 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 patent rights. This document supersedes EN 13752:2009. According to the CEN/CENELEC In
23、ternal Regulations, the national standards organisations 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,
24、 Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. DIN EN 13752:2012-11 EN 13752:2012 (E) 5 Introduction In respect of potential adverse effects on the quality of water
25、intended for human consumption, 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 any of the Member States of the EU or EFTA; b) it should be noted that, while awaiting the adoption
26、of verifiable European criteria, existing national regulations concerning the use and/or the characteristics of this product remain in force. NOTE Conformity with this 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 th
27、e product covered by this European Standard is subject to regulation or control by National Authorities. DIN EN 13752:2012-11 EN 13752:2012 (E) 6 1 Scope This European Standard is applicable to manganese dioxide used for treatment of water intended for human consumption. It describes the characteris
28、tics of manganese dioxide and specifies the requirements and the corresponding test methods for manganese dioxide. It gives information on its use in water treatment. Two classes of product are specified: Class 1 with hardness greater than or equal to 6 Mohs, Class 2 with hardness less than 6 Mohs.
29、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 edition of the referenced document (including any amend
30、ments) applies. EN 12901:1999, Products used for treatment of water intended for human consumption Inorganic supporting and filtering materials Definitions EN 12902, Products used for treatment of water intended for human consumption Inorganic supporting and filtering materials Methods of test EN IS
31、O 385, Laboratory glassware Burettes (ISO 385) EN ISO 3696, Water for analytical laboratory use Specification and test methods (ISO 3696) ISO 6333, Water quality Determination of manganese Formaldoxime spectrometric method 3 Terms, definitions and symbols For the purposes of this document, the terms
32、, definitions and symbols given in EN 12901:1999 apply. 4 Description 4.1 Identification 4.1.1 Chemical name Manganese dioxide. 4.1.2 Synonym or common names Manganese(IV) oxide, pyrolusite. 4.1.3 Chemical formula MnO2. NOTE Manganese dioxide used as a catalytic filtering medium is a natural ore, us
33、ually pyrolusite. Manganese dioxide ores differ widely in their chemical composition depending on their origin. Most are composed of manganese dioxide together with silica, alumina, iron oxide and numerous other elements present in varying proportions which might affect mechanical strength. DIN EN 1
34、3752:2012-11 EN 13752:2012 (E) 7 4.1.4 CAS Registry number 1)Manganese dioxide: 1313-13-9. 4.1.5 EINECS reference 2)Manganese dioxide: 215-202-6. 4.2 Commercial form Manganese dioxide is a granular material usually available in three size ranges: 0,355 mm to 0,850 mm, 0,50 mm to 1,00 mm and 0,5 mm t
35、o 3,00 mm. 5 Physical properties 5.1 Appearance The product is a granular material varying in colour from dark brown to dark grey to black, depending upon its origin. It consists of amorphous grains which can be rounded or sub-angular. The product shall be generally homogeneous and shall be visibly
36、free of extraneous matter. 5.2 Particle size distribution The particle size distribution shall be described by either: a) effective size: (d10) with a maximum deviation of 5 %; uniformity coefficient: (U) less than 1,5 for Class 1 and Class 2 products with particles smaller than or equal to 1 mm; an
37、d less than 2,5 for Class 1 and Class 2 products with particles greater than 1 mm. minimum size: (d1) with a limit deviation of 5 %; NOTE The particle size can decrease during transportation and handling. b) or, particle size range and mass fraction of oversize and undersize particles according to a
38、pplication. The maximum contents of oversize and undersize shall be a mass fraction of 10 % for application of the product in multimedia filters and a mass fraction of 5 % for use in single media filters. See A.2.3 for examples of available particle sizes that are used. Other values can be necessary
39、 for certain applications. 1)Chemical Abstracts Service Registry Number.2)European Inventory of Existing Commercial Chemical Substances. DIN EN 13752:2012-11 EN 13752:2012 (E) 8 5.3 Density 5.3.1 Bulk density loose The bulk density loose shall be in the range of 1 750 kg/m3to 1 850 kg/m3for Class 1
40、and Class 2 products with particles smaller than or equal to 1 mm and 1 800 kg/m3to 2 200 kg/m3for Class 1 and Class 2 products with particles greater than 1 mm. 5.3.2 Bulk density packed The bulk density packed shall be in the range of 1 950 kg/m3to 2 050 kg/m3for Class 1 and Class 2 products with
41、particles smaller than or equal to 1 mm and 2 000 kg/m3to 2 400 kg/m3for Class 1 and Class 2 products with particles greater than 1 mm. 6 Chemical properties For the composition of the commercial product, see A.2.1. After filling, washing and commissioning of a filter system producing drinking water
42、, manganese dioxide should not increase the concentrations of chemical parameters above the regulated values (see 1). NOTE Water extractable substances, determined in accordance with the method for granular materials given in EN 12902, can be used to estimate the leaching of the chemicals specified
43、in EN 12902. Users of this product should check the national regulations in order to clarify whether it is of appropriate purity for treatment of water intended for human consumption, taking into account raw water quality, contents of other impurities and additives used in the products not stated in
44、 the product standard. 7 Specific properties The oxidation capacity of manganese dioxide shall be at least 500 bed volumes when tested according to the method described in 8.2.4. NOTE For a Class 1 product, a greater oxidation capacity may be specified. 8 Test methods 8.1 Sampling Prepare the labora
45、tory sample(s) required by the relevant procedure described in EN 12902. 8.2 Analysis 8.2.1 Particle size distribution The particle size distribution shall be determined on samples taken at the point of manufacture using the method of test given in EN 12902. 8.2.2 Bulk density loose The bulk density
46、 loose shall be determined in accordance with EN 12902. DIN EN 13752:2012-11 EN 13752:2012 (E) 9 8.2.3 Bulk density packed The bulk density packed shall be determined in accordance with EN 12902. 8.2.4 Oxidation capacity 8.2.4.1 Principle A solution of manganese sulfate is passed through a bed of “r
47、egenerated” manganese dioxide. Portions of the effluent are analysed for manganese and the cumulative volume, until breakthrough of manganese, is determined. 8.2.4.2 Reagents 8.2.4.2.1 General All reagents shall be of a recognised analytical grade and the water used shall conform to grade 2 in accor
48、dance with EN ISO 3696. 8.2.4.2.2 Manganese sulfate stock solution, c(Mn) = 5 mg/l Dissolve 1,00 g of sodium hydrogen carbonate (NaHCO3) in water and add 0,154 g of manganese sulfate monohydrate (MnSO4H2O). Dilute to 10,0 l with water and adjust the pH to 7,0 0,5 using dilute sulfuric acid or sodium hydroxide solution as required. 8.2.4.2.3 Manganese sulfate test solution, c(Mn) = 1 mg
