1、March 2014Translation by DIN-Sprachendienst.English price group 11No 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).ICS 7
2、1.100.80!%,v“2098391www.din.deDDIN EN 16409Chemicals used for treatment of water intended for humanconsumption Dolomitic lime;English version EN 16409:2013,English translation of DIN EN 16409:2014-03Produkte zur Aufbereitung von Wasser fr den menschlichen Gebrauch Dolomitkalk;Englische Fassung EN 16
3、409:2013,Englische bersetzung von DIN EN 16409:2014-03Produits chimiques utiliss pour le traitement de leau destine la consommationhumaine Chaux;Version anglaise EN 16409:2013,Traduction anglaise de DIN EN 16409:2014-03www.beuth.deIn case of doubt, the German-language original shall be considered au
4、thoritative.Document comprises 18 pages02.14 DIN EN 16409:2014-03 2 A comma is used as the decimal marker. National foreword This document (EN 16409:2013) has been prepared by Technical Committee CEN/TC 164 “Water supply” (Secretariat: AFNOR, France). The responsible German body involved in its prep
5、aration 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 note that national regulations exist in German
6、y dealing with water for human consumption, in particular the Trinkwasserverordnung (TrinkwV 2001) (German Drinking Water Ordinance). National Annex NA (informative) Bibliography Verordnung ber die Qualitt von Wasser fr den menschlichen Gebrauch (Trinkwasserverordnung TrinkwV 2001) (German Drinking
7、Water Ordinance), as of 02 August 2013 (BGBI. (German Federal Law Gazette) I, 2013, no. 46, p. 29773004), as amended by Article 4, Paragraph 22 of the Act of 07 August 2013 (BGBI. I, no. 48, p. 3154-3211)*)*) Obtainable from: Bundesministerium der Justiz (German Federal Ministry of Justice) (Interne
8、t: http:/www.gesetze-im-internet.de). EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 16409 December 2013 ICS 71.100.80 English Version Chemicals used for treatment of water intended for human consumption - Dolomitic lime Produits chimiques utiliss pour le traitement de leau destine la consomma
9、tion humaine - Chaux Produkte zur Aufbereitung von Wasser fr den menschlichen Gebrauch - Dolomitkalk This European Standard was approved by CEN on 26 October 2013. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standa
10、rd 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 Standard exists in three official versions (English,
11、 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 national standards bodies of Austria, Belgium, Bulg
12、aria, 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, Slovakia, Slovenia, Spain, Sweden, Switzerland, Tu
13、rkey 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 means reserved worldwide for CEN national Members.
14、 Ref. No. EN 16409:2013 EEN 16409:2013 (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 General 6 3.1.2 Chemical names.6 3.1.3 Synonym or common names 6 3.1.4 Relative molecular mass .6 3.1.5 Empirical formula.6 3.1.6 Chem
15、ical formula .6 3.1.7 CAS Registry Number 7 3.1.8 EINECS reference .7 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 pressure 7 3.3.5 Boiling point at 100 kPa .8 3.3.6 Melting point .8 3.3.7 Specific heat .8 3.3.8 Visco
16、sity (dynamic) .8 3.3.9 Critical temperature .8 3.3.10 Critical pressure.8 3.3.11 Physical hardness .8 3.4 Chemical properties 8 4 Purity criteria 8 4.1 General 8 4.2 Composition of commercial product .9 4.3 Impurities 9 4.4 Chemical parameters 9 5 Test methods . 10 5.1 Sampling 10 5.2 Analyses 10 6
17、 Labelling - Transportation - Storage . 10 6.1 Means of delivery 10 6.2 Labelling according to the EU legislation 10 6.3 Transportation regulations and labelling . 11 6.4 Marking 12 6.5 Storage . 12 6.5.1 Long term stability 12 6.5.2 Storage incompatibilities . 12 Annex A (informative) General infor
18、mation on dolomitic lime 13 A.1 Origin . 13 DIN EN 16409:2014-03EN 16409:2013 (E) 3 A.2 Use 13 Annex B (normative) General rules relating to safety . 15 B.1 Rules for safe handling and use 15 B.2 Emergency procedures . 15 Bibliography 16 DIN EN 16409:2014-03EN 16409:2013 (E) 4 Foreword This document
19、 (EN 16409:2013) 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 June 2014, and confl
20、icting national standards shall be withdrawn at the latest by June 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
21、the CEN-CENELEC Internal Regulations, the national 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,
22、 Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. DIN EN 16409:2014-03EN 16409:2013 (E) 5 Introduction In respect of potential adverse effects on the
23、quality of water 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 await
24、ing the adoption of verifiable European criteria, existing 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
25、 EU or EFTA. The use of the product covered by this European Standard is subject to regulation or control by National Authorities. DIN EN 16409:2014-03EN 16409:2013 (E) 6 1 Scope This European Standard is applicable to dolomitic lime used for treatment of water intended for human consumption. It des
26、cribes the characteristics of dolomitic lime and specifies the requirements and the corresponding test methods. It gives information on its use in water treatment. It also determines the rules relating to safe handling and use (see Annex B). 2 Normative references The following documents, in whole o
27、r 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 amendments) applies. EN 12485, Chemicals used for treatment of
28、water intended for human consumption Calcium carbonate, high-calcium lime, half-burnt dolomite, magnesium oxide and calcium magnesium carbonate Test methods 3 Description 3.1 Identification 3.1.1 General Dolomitic limes are calcium magnesium dihydroxide oxide and calcium magnesium dioxide. 3.1.2 Che
29、mical names a) Calcium magnesium dihydroxide oxide; b) calcium magnesium dioxide. 3.1.3 Synonym or common names a) Calcium magnesium dihydroxide oxide, semi-hydrated dolomitic lime, half-hydrated dolomitic lime, dolomitic hydrated lime; b) calcium magnesium dioxide, calcium magnesium oxide, dolomiti
30、c lime, dolomitic quicklime. 3.1.4 Relative molecular mass a) Calcium magnesium dihydroxide oxide: 114,40 g/mol; b) calcium magnesium dioxide: 96,39 g/mol. 3.1.5 Empirical formula a) Calcium magnesium dihydroxide oxide: CaMgH2O3; b) calcium magnesium dioxide: CaMgO2. 3.1.6 Chemical formula a) Calciu
31、m magnesium dihydroxide oxide: Ca(OH)2MgO; DIN EN 16409:2014-03EN 16409:2013 (E) 7 b) calcium magnesium dioxide: CaOMgO. 3.1.7 CAS Registry Number1)a) Calcium magnesium dihydroxide oxide: 58398-71-3; b) calcium magnesium oxide: 37247-91-9. 3.1.8 EINECS reference2)a) Calcium magnesium dihydroxide oxi
32、de: 261-235-4; b) calcium magnesium oxide: 253-425-0. 3.2 Commercial forms Calcium magnesium dihydroxide oxide and calcium magnesium dioxide are available in the following commercial form: coarse material or powder. 3.3 Physical properties 3.3.1 Appearance a) Calcium magnesium dihydroxide oxide: pow
33、der; b) calcium magnesium dioxide: coarse or powder. 3.3.2 Density a) Calcium magnesium dihydroxide oxide: 2,2 kg/dm3 2,6 kg/dm3at 20 C; bulk density: 400 kg/m3to 600 kg/m3; b) calcium magnesium dioxide: 3,3 kg/dm3 3,6 kg/dm3at 20 C; bulk density: 700 kg/m3 to 1 200 kg/m3. 3.3.3 Solubility (in water
34、) a) Calcium magnesium dihydroxide oxide: 1 000 mg/l at 20 C; b) calcium magnesium dioxide: 1 385 mg/l at 20 C. 3.3.4 Vapour pressure Not applicable. 1) Chemical Abstracts Service Registry Number. 2) European Inventory of Existing Commercial Chemical Substances. DIN EN 16409:2014-03EN 16409:2013 (E)
35、 8 3.3.5 Boiling point at 100 kPa3)Not applicable. 3.3.6 Melting point a) Calcium magnesium dihydroxide oxide decomposes between 345 C and 580 C and forms calcium magnesium dioxide and water; b) not applicable for calcium magnesium dioxide. 3.3.7 Specific heat Not applicable. 3.3.8 Viscosity (dynami
36、c) The dynamic viscosity of suspensions depends on concentration and particle size. 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 Aqueous suspensions are strongly alkaline. Dolomitic lime reacts wi
37、th water to form calcium magnesium tetrahydroxide, and with acids to form calcium magnesium salts. These reactions are exothermic. 4 Purity criteria 4.1 General This European Standard specifies the minimum purity requirements for dolomitic lime used for the treatment of water intended for human cons
38、umption. 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 relevant authorities. Users of this product should check the nati
39、onal 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, required dosage, contents of other impurities and additives used in the product not stated in this product standard. 3) 100 kPa = 1 b
40、ar. DIN EN 16409:2014-03EN 16409:2013 (E) 9 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
41、 impurities, by-products or additives being present, this shall be notified to the user. 4.2 Composition of commercial product The products shall conform to the requirements specified in Table 1. Table 1 Major constituents and grading Parameter Calcium magnesium dihydroxide oxide Calcium magnesium d
42、ioxide Content of Ca and Mg expressed as CaO + MgO in dry and bound-water free substance, in mass fraction in % 90aContent of Ca and Mg expressed as CaO + MgO in bound-water free substance in mass fraction in % 90aContent of Mg expressed as MgO in dry and bound-water free substance, in mass fraction
43、 in % 30a 30aCarbon dioxide CO2in % 5 5 Retention on sieving in mass fraction in %, in dry substance 0,60 mm 0,1 0,1 0,09 mm 5,5 7,0 aThe user may specify a higher content. 4.3 Impurities The products shall conform to the requirements specified in Table 2. Table 2 Impurities Impurity Limit in mass f
44、raction in % of dry product Si expressed as SiO2max. 2,5 Al expressed as Al2O3max. 1,5 Fe expressed as Fe2O3max. 1,5 Mn expressed as MnO2max. 0,5 NOTE The user may specify a lower content of impurities. 4.4 Chemical parameters The product shall conform to the requirements specified in Table 3. DIN E
45、N 16409:2014-03EN 16409:2013 (E) 10 Table 3 Chemical parameters Parameter Limit of product mg/kg, in dry substance Arsenic (As) max. 5 Cadmium (Cd) max. 2 Chromium (Cr) max. 20 Mercury (Hg) max. 0,3 Nickel (Ni) max. 20 Lead (Pb) max. 10 Antimony (Sb) max. 3 Selenium (Se) max. 3 NOTE 1 Other chemical
46、 parameters and indicator parameters are not relevant in calcium magnesium dihydroxide oxide and calcium magnesium dioxide because the raw materials used in the manufacturing process are free of them. For parametric values of calcium magnesium dihydroxide oxide and calcium magnesium dioxide on trace
47、 metal content in drinking water, see Directive 98/83/EC 1. NOTE 2 The user may specify a lower content of chemical parameters. 5 Test methods 5.1 Sampling Prepare the laboratory samples in accordance with EN 12485. 5.2 Analyses Use the relevant methods for analysis described in EN 12485. 6 Labellin
48、g - Transportation - Storage 6.1 Means of delivery Calcium magnesium dihydroxide oxide (Ca(OH)2MgO) and calcium magnesium dioxide (CaOMgO) shall be delivered in bags, containers or as bulk material. In order that the purity of the products is not affected, the means of delivery shall not have been u
49、sed previously for any different product or it shall have been specially cleaned and prepared before use. 6.2 Labelling according to the EU legislation4)The following labelling requirements shall apply to calcium magnesium dihydroxide oxide and calcium magnesium dioxide at the date of publication of this European Standard. 4) See EU Regulation No 1272/2008 2. DIN EN 16409:2014-03EN 16409:2013 (E) 11 Hazard pictograms GHS05 Signal word D
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