1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationBS EN 16003:2011Chemicals used for treatmentof water intended for humanconsumption Calciummagnesium carbonateBS EN 16003:2011 BRITISH STANDARDNational forewordThis British Standa
2、rd is the UK implementation of EN 16003:2011. The UK participation in its preparation was entrusted to TechnicalCommittee CII/59, Chemicals for drinking water treatment.A list of organizations represented on this committee can be obtained on request to its secretary.This publication does not purport
3、 to include all the necessary provisions of a contract. Users are responsible for its correct application. BSI 2011 ISBN 978 0 580 68717 4 ICS 13.060.20; 71.100.80 Compliance with a British Standard cannot confer immunity from legal obligations.This British Standard was published under the authority
4、 of the Standards Policy and Strategy Committee on 31 December 2011.Amendments issued since publicationDate T e x t a f f e c t e dBS EN 16003:2011EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 16003 November 2011 ICS 71.100.80 English Version Chemicals used for treatment of water intended for
5、 human consumption - Calcium magnesium carbonate Produits chimiques utiliss pour le traitement de leau destine la consommation humaine - Carbonate de calcium et de magnsium Produkte zur Aufbereitung von Wasser fr den menschlichen Gebrauch - Calciummagnesiumcarbonat This European Standard was approve
6、d by CEN on 8 October 2011. 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 references concerning such national st
7、andards 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 member into its own language and
8、 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, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lit
9、huania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2011
10、 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 16003:2011: EBS EN 16003:2011EN 16003:2011 (E) 2 Contents Page Foreword 4Introduction .51 Scope 62 Normative references 63 Description .63.1 Identification .63.1.1 Chemical name .63.
11、1.2 Synonym or common name 63.1.3 Relative molecular mass .63.1.4 Empirical formula.63.1.5 Chemical formula .63.1.6 CAS Registry Number 63.1.7 EINECS reference .73.2 Commercial forms .73.3 Physical properties 73.3.1 Appearance 73.3.2 Density 73.3.3 Solubility in water 73.3.4 Vapour pressure 73.3.5 B
12、oiling point at 100 kPa.73.3.6 Melting point .73.3.7 Specific heat .73.3.8 Viscosity (dynamic) .73.3.9 Critical temperature .73.3.10 Critical pressure.73.3.11 Physical hardness .83.3.12 Particle size 83.4 Chemical properties 84 Purity criteria 84.1 General 84.2 Composition of commercial product .84.
13、3 Impurities and main by-product .84.4 Chemical parameters 95 Test methods 95.1 Sampling .95.2 Analyses .96 Labelling - Transportation - Storage 96.1 Means of delivery .96.2 Risk and safety labelling according to the EU Directives 96.3 Transportation regulations and labelling . 106.4 Marking 106.5 S
14、torage . 106.5.1 Long term stability 106.5.2 Storage incompatibilities . 10Annex A (informative) General information on calcium carbonate . 11A.1 Origin . 11A.1.1 Raw materials 11A.1.2 Manufacturing process 11A.2 Use . 11BS EN 16003:2011EN 16003:2011 (E) 3 A.2.1 Function 11A.2.2 Other properties 11A
15、.2.3 Form in which it is used 11A.2.4 Treatment dose 11A.2.5 Means of application . 12A.2.6 Secondary effects 12A.2.7 Removal of excess product 12A.3 Rules for safe handling and use 12A.4 Emergency procedures . 12A.4.1 First aid . 12A.4.2 Spillage . 12A.4.3 Fire 12Bibliography 13BS EN 16003:2011EN 1
16、6003:2011 (E) 4 Foreword This document (EN 16003:2011) 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,
17、 at the latest by May 2012, and conflicting national standards shall be withdrawn at the latest by May 2012. 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 a
18、ll such patent rights. According to 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, France, Germany, Greece, Hu
19、ngary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. BS EN 16003:2011EN 16003:2011 (E) 5 Introduction In respect of potential adverse effects on the quality of wate
20、r intended for human consumption, caused by the product covered by this Standard: this 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; it should be noted that, while awaiting the adoption of verifiable European
21、 criteria, existing national regulations concerning the use and/or the characteristics of this product remain in force. NOTE Conformity with the 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 th
22、is European Standard is subject to regulation or control by National Authorities. BS EN 16003:2011EN 16003:2011 (E) 6 1 Scope This European Standard is applicable to calcium magnesium carbonate used for treatment of water intended for human consumption. It describes the characteristics of calcium ma
23、gnesium carbonate and specifies the requirements and the corresponding test methods for calcium magnesium carbonate. It gives information on its use in water treatment. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated referen
24、ces, 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 water intended for human consumption Calcium carbonate, high-calcium lime, half-burnt dolomite, magnesium oxide and
25、 calcium magnesium carbonate Test methods ISO 3165, Sampling of chemical products for industrial use Safety in sampling ISO 6206, Chemical products for industrial use Sampling Vocabulary 3 Description 3.1 Identification 3.1.1 Chemical name Calcium magnesium carbonate. 3.1.2 Synonym or common name Do
26、lomite. 3.1.3 Relative molecular mass 184,39. 3.1.4 Empirical formula CaCO3MgCO3. 3.1.5 Chemical formula CaCO3MgCO3. 3.1.6 CAS Registry Number 1)16389-88-1. 1) Chemical Abstracts Service Registry Number. BS EN 16003:2011EN 16003:2011 (E) 7 3.1.7 EINECS reference 2)240-440-2. 3.2 Commercial forms Cal
27、cium magnesium carbonate is available in crushed and granular form of various particle size ranges. 3.3 Physical properties 3.3.1 Appearance The product is a white or grey to brownish material in crushed and granular form. 3.3.2 Density The density is from 2,2 g/cm3to 2,9 g/cm3at 20 C. The bulk dens
28、ity is from 1,2 g/cm3to 1,6 g/cm3. 3.3.3 Solubility in water The solubility of product is equal to 0,032 g/l at 10 C. 3.3.4 Vapour pressure Not applicable. 3.3.5 Boiling point at 100 kPa3)Not applicable. 3.3.6 Melting point Not applicable. 3.3.7 Specific heat Not applicable. 3.3.8 Viscosity (dynamic
29、) Not applicable. 3.3.9 Critical temperature Not applicable. 3.3.10 Critical pressure Not applicable. 2) European Inventory of Existing Commercial Chemical Substances. 3) 100 kPa = 1 bar. BS EN 16003:2011EN 16003:2011 (E) 8 3.3.11 Physical hardness Not relevant. 3.3.12 Particle size It varies depend
30、ing on the application (see A.2.3). 3.4 Chemical properties Calcium magnesium carbonate product reacts as an alkali when dissolved in water. With carbon dioxide and water it reacts to form calcium hydrogen carbonate and magnesium hydrogen carbonate. 4 Purity criteria 4.1 General This European Standa
31、rd specifies the minimum purity requirements for calcium magnesium carbonate used for the treatment of water intended for human consumption. Limits are given for impurities commonly present in the product. Depending on the raw material and the manufacturing process other impurities may be present an
32、d, if so, this shall be notified to the user and when necessary to the relevant authorities. NOTE 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 q
33、uality, required dosage, contents of other impurities and additives used in the product not stated in this product standard. Limits have been given for impurities and toxic substances where these are likely to be present in significant quantities from the current production process and raw materials
34、. If a change in the production process or raw materials leads to significant quantities of other impurities or by-products being present, this shall be notified to the user. 4.2 Composition of commercial product The product shall conform to the requirements specified in Table 1. Table 1 Composition
35、 of commercial product Parameter Content in mass fraction in % Content of Calcium magnesium carbonate, in dry substance 95 Total content of magnesium carbonate (MgCO3), in dry substance 39 4.3 Impurities and main by-product The product shall conform to the requirements specified in Table 2. Table 2
36、Impurities Impurity Content in mass fraction in % Content of residue not soluble in hydrochloric acid., in dry substance 3 BS EN 16003:2011EN 16003:2011 (E) 9 4.4 Chemical parameters The content of chemical parameters shall conform to the requirements specified in Table 3. Table 3 Chemical parameter
37、s Parameter Limit of product mg/kg, in dry substance Antimony (Sb) max. 3 Arsenic (As) max. 3 Cadmium (Cd) max. 2 Chromium (Cr) max. 10 Lead (Pb) max. 10 Mercury (Hg) max. 0,5 Nickel (Ni) max. 10 Selenium (Se) max. 3 NOTE Other chemical parameters and indicator parameters are not relevant in calcium
38、 magnesium carbonate because the raw materials used in the manufacturing process are free of them. For parametric values of calcium magnesium carbonate on trace metal content in drinking water, see 3. 5 Test methods 5.1 Sampling Observe the general recommendations of ISO 3165 and take account of ISO
39、 6206. Prepare the laboratory sample(s) required by the relevant procedure described in EN 12485. 5.2 Analyses Use the relevant methods for analysis described in EN 12485. 6 Labelling - Transportation - Storage 6.1 Means of delivery Calcium magnesium carbonate can be delivered in bags, containers an
40、d as a bulk material. In order that the purity of the products 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 Risk and safety labelling according to the EU Directives 4)At the d
41、ate of the publication of this European Standard no labelling requirements apply to calcium magnesium carbonate. 4) See 4 and 6. BS EN 16003:2011EN 16003:2011 (E) 10 NOTE Regulation (EC) No 1907/2006 of the European Parliament and of the Council of 18 December 2006 concerning the Registration, Evalu
42、ation, Authorisation and Restriction of Chemicals (REACH), establishing a European Chemicals Agency, amending Directive 1999/45/EC and repealing Council Regulation (EEC) No 793/93 and Commission Regulation (EC) No 1488/94 as well as Council Directive 76/769/EEC and Commission Directives 91/155/EEC,
43、93/67/EEC, 93/105/EC and 2000/21/EC 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 for placing the product on the market
44、. 6.3 Transportation regulations and labelling At the date of the publication of this European standard, calcium magnesium carbonate products are not classified as dangerous goods. 6.4 Marking The marking shall include the following: “calcium magnesium carbonate“, trade name; net mass; name and addr
45、ess of supplier and/or manufacturer; the statement “this product conforms to EN 16003“. 6.5 Storage 6.5.1 Long term stability Product can be stored for unlimited period of time if kept dry. 6.5.2 Storage incompatibilities Product shall be kept away from acids. BS EN 16003:2011EN 16003:2011 (E) 11 An
46、nex A (informative) General information on calcium carbonate A.1 Origin A.1.1 Raw materials Natural dolomite. A.1.2 Manufacturing process Calcium magnesium carbonate is manufactured by quarrying, crushing, cleaning and subsequent screening of natural dolomite. A.2 Use A.2.1 Function Calcium magnesiu
47、m carbonate is used for partly removal of carbon dioxide and to increase pH value and hardness in water. A.2.2 Other properties The sum of (CaCO3+ MgCO3) may also be expressed as neutralizing value according to EN 12945. A.2.3 Form in which it is used Calcium magnesium carbonate is used in the form
48、of granular or crushed materials. Table A.1 Usual particle size range Dimensions in millimetres Calcium magnesium carbonate 0,5 to 1,2 0,5 to 2,5 2,0 to 4,5 If the particle size range is quoted, the content of oversize and undersize should not exceed 10 %. For the determination of the particle size range, see EN 12902. A.2.4 Treatment dose The quantities of Calcium magnesium carbonate to be used depend on the application. BS EN 16003:2011EN 16003:2011 (E) 12 A.2.5 Means of application Calcium magnesium carbonate is used in filters. A.2.6 Secondary effects Filtration of suspended solids an
