1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationBS EN 1018:2013Chemicals used for treatmentof water intended for humanconsumption CalciumcarbonateCopyright European Committee for Standardization Provided by IHS under license w
2、ith CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-BS EN 1018:2013 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN 1018:2013. Itsupersedes BS EN 1018:2006 which is withdrawn.The UK participation in its preparation was entru
3、sted to TechnicalCommittee CII/59, Chemicals for drinking water treatment.A list of organizations represented on this committee can beobtained on request to its secretary.This publication does not purport to include all the necessaryprovisions of a contract. Users are responsible for its correctappl
4、ication. The British Standards Institution 2013. Published by BSI StandardsLimited 2013ISBN 978 0 580 80011 5ICS 13.060.20; 71.100.80Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of theStandards Policy and Stra
5、tegy Committee on 30 June 2013.Amendments issued since publicationDate Text affectedCopyright European Committee for Standardization Provided by IHS under license with CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-BS EN 1018:2013EUROPEAN STANDARD NORME EUROPEN
6、NE EUROPISCHE NORM EN 1018 May 2013 ICS 71.100.80 Supersedes EN 1018:2006English Version Chemicals used for treatment of water intended for human consumption - Calcium carbonate Produits chimiques utiliss pour le traitement de leau destine la consommation humaine - Carbonate de calcium Produkte zur
7、Aufbereitung von Wasser fr den menschlichen Gebrauch - Calciumcarbonat This European Standard was approved by CEN on 28 March 2013. 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 stan
8、dard 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, German). A version in a
9、ny 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, Croatia, Cyprus, Czech Rep
10、ublic, 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 and United Kingdom. EUROPEA
11、N 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 1018:2013: ECopyright European
12、Committee for Standardization Provided by IHS under license with CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-BS EN 1018:2013EN 1018:2013 (E) 2 Contents Page Foreword . 3 Introduction 4 1 Scope 5 2 Normative references . 5 3 Terms and definitions 5 4 Descript
13、ion . 5 4.1 Identification . 5 4.2 Commercial form 6 4.3 Physical properties 6 4.4 Chemical properties . 7 5 Purity criteria 7 5.1 General . 7 5.2 Composition of commercial product . 7 5.3 Impurities and main by-products 8 5.4 Toxic substances . 8 6 Test methods 9 6.1 Sampling . 9 6.2 Analyses . 9 7
14、 Labelling - Transportation - Storage . 9 7.1 Means of delivery . 9 7.2 Labelling according to the EU legislation 9 7.3 Transportation regulations and labelling 9 7.4 Marking . 9 7.5 Storage . 9 Annex A (informative) General information on calcium carbonate . 10 A.1 Origin 10 A.2 Use 10 A.3 Rules fo
15、r safe handling and use 11 A.4 Emergency procedures 11 Annex B (normative) Sample preparation and testing of specific surface of calcium carbonate . 12 B.1 Sample preparation 12 B.2 Testing 12 B.3 Criteria for non-porous and porous calcium carbonates . 12 Bibliography 13 Copyright European Committee
16、 for Standardization Provided by IHS under license with CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-BS EN 1018:2013EN 1018:2013 (E) 3 Foreword This document (EN 1018:2013) has been prepared by Technical Committee CEN/TC 164 “Alimentation en eau”, the secreta
17、riat 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 November 2013, and conflicting national standards shall be withdrawn at the latest by November 2013. Attention is dr
18、awn 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 1018:2006. Significant differences between this edition and EN 1018:2006
19、are: deletion of the reference to EU Directive 80/778/EEC of July, 15 1980 in order to take into account of the latest Directive in force (see 1); changes in designation of products. According to the CEN-CENELEC Internal Regulations, the national standards organisations of the following countries ar
20、e 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, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Po
21、rtugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. Copyright European Committee for Standardization Provided by IHS under license with CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-BS EN 1018:2013EN 1018:2013 (E) 4
22、Introduction In respect of potential adverse effects on the quality of water intended for human consumption, caused by the product covered by this standard: 1) 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 EFT
23、A; 2) it should be noted that, while awaiting 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 document does not confer or imply acceptance or approval of the product i
24、n any of the Member States of the EU or EFTA. The use of the product covered by this document is subject to regulation or control by National Authorities. Copyright European Committee for Standardization Provided by IHS under license with CENNot for ResaleNo reproduction or networking permitted with
25、out license from IHS-,-,-BS EN 1018:2013EN 1018:2013 (E) 5 1 Scope This European Standard is applicable to calcium carbonate used for treatment of water intended for human consumption. It describes the characteristics of calcium carbonate and specifies the requirements and the corresponding test met
26、hods for calcium carbonate. It gives information on its use in water treatment. 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 undate
27、d 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 calcium magnesium carbonate Test methods ISO 3
28、165, Sampling of chemical products for industrial use Safety in sampling ISO 6206, Chemical products for industrial use Sampling Vocabulary ISO 9277, Determination of the specific surface area of solids by gas adsorption BET method 3 Terms and definitions To distinguish between non-porous and porous
29、 calcium carbonate, Annex B applies. 4 Description 4.1 Identification 4.1.1 Chemical name Limestone. Calcium carbonate. 4.1.2 Synonym or common name Limestone. Calcium carbonate. 4.1.3 Relative molecular mass 100,09. 4.1.4 Empirical formula CaCO3. 4.1.5 Chemical formula CaCO3. Copyright European Com
30、mittee for Standardization Provided by IHS under license with CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-BS EN 1018:2013EN 1018:2013 (E) 6 4.1.6 CAS-Registry Number1)1317-65-3 for limestone. 471-34-1 for calcium carbonate. 4.1.7 EINECS reference2)215-279-6
31、for limestone. 207-439-9 for calcium carbonate. 4.2 Commercial form Both types of calcium carbonate (limestone and chemically produced) are available in crushed and granular form of various particle size ranges, as a slurry and in a mixture of both substances. 4.3 Physical properties 4.3.1 Appearanc
32、e The product is a white or grey material in crushed and granular form. 4.3.2 Density The density of the product is equal to 2,71 g/cm3at 20 C. The bulk density of the product is between 1,0 g/cm3to 1,5 g/cm3. 4.3.3 Solubility The solubility of product is equal to 0,014 g/l at 10 C. 4.3.4 Vapour pre
33、ssure Not applicable. 4.3.5 Boiling point at 100 kPa3)Not applicable. 4.3.6 Melting point Not applicable. 4.3.7 Specific heat Not known. 1)Chemical Abstracts Service Registry Number. 2)European Inventory of Existing Commercial Chemical Substances. 3) 100 kPa = 1 bar. Copyright European Committee for
34、 Standardization Provided by IHS under license with CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-BS EN 1018:2013EN 1018:2013 (E) 7 4.3.8 Viscosity, dynamic Not applicable. 4.3.9 Critical temperature Not applicable. 4.3.10 Critical pressure Not applicable. 4.3
35、.11 Physical hardness Not relevant. 4.3.12 Particle size It varies depending on the application (see A.2.3). 4.4 Chemical properties Calcium carbonate reacts as an alkali when dissolved in water. 5 Purity criteria 5.1 General Limits have been given for impurities and toxic substances where these are
36、 likely to be present in significant quantities from the current production process and raw materials. 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. 5.2 Composition of comme
37、rcial product The product shall conform to the requirements specified in Table 1: Table 1 Composition of commercial product Parameter Non-porous calcium carbonate Porous calcium carbonate Type 1 Type 2 Type 3 Type 1 Type 2 Content of calcium carbonate (CaCO3), in mass fraction in %, in dry substance
38、 98 94 80 97 85 Total content of calcium carbonate (CaCO3) and magnesium carbonate (MgCO3) expressed as CaCO3- MgCO3, in mass fraction in %, in dry substance 98 94 90 99 95 NOTE Examples of non-porous calcium carbonate: fine crystalline calcium carbonate, modification calcite; e.g. jura or devon lim
39、estone; examples of porous calcium carbonate: amorphous deposits of calcium carbonate; e.g. shell-lime. Copyright European Committee for Standardization Provided by IHS under license with CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-BS EN 1018:2013EN 1018:201
40、3 (E) 8 5.3 Impurities and main by-products The product shall conform to the requirements specified in Table 2. Table 2 Impurities Impurity Non-porous calcium carbonate Porous calcium carbonate Level 1 Level 2 Level 3 Level 1 Level 2 Content of residue not soluble in hydrochloric acid % (m/m) max.,
41、in dry substance 2 6 12 1 5 5.4 Toxic substances NOTE For the purpose of this standard, “toxic substances“ are those defined in the EEC Directive 80/778/EEC of 15 July, 1980 (see B.1). The content of toxic substances shall conform to the requirements specified in Table 3. Table 3 Chemical parameters
42、 Parameter Limit of product mg/kg, in dry substance Type A Type B Antimony (Sb) max. 3 5 Arsenic (As) max. 3 5 Cadmium (Cd) max. 2 2 Chromium (Cr) max. 10 20 Lead (Pb) max. 10 20 Mercury (Hg) max. 0,5 1 Nickel (Ni) max. 10 20 Selenium (Se) max. 3 5 NOTE Cyanide (CN), pesticides and polycyclic aromat
43、ic hydrocarbons - as listed in EU Directive 80/778/EEC - are not relevant in calcium carbonate because the raw materials used in the manufacturing are free of them. Copyright European Committee for Standardization Provided by IHS under license with CENNot for ResaleNo reproduction or networking perm
44、itted without license from IHS-,-,-BS EN 1018:2013EN 1018:2013 (E) 9 6 Test methods 6.1 Sampling Observe the general recommendations of ISO 3165 and take account of ISO 6206. Prepare the laboratory sample(s) required by the relevant procedure described in EN 12485. 6.2 Analyses Use the relevant meth
45、ods for analysis described in EN 12485. 7 Labelling - Transportation - Storage 7.1 Means of delivery Calcium carbonate can be delivered in bags, containers and 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
46、any different product or it shall have been specially cleaned and prepared before use. 7.2 Labelling according to the EU legislation 4)At the date of the publication of this document, no labelling requirements apply to calcium carbonate. The regulation 2 contains a list of substances classified by t
47、he 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 the marketing of the substance. 7.3 Transportation regulations and labelling Calcium carbonate products are not cl
48、assified as dangerous goods. 7.4 Marking The marking shall include the following: calcium carbonate, trade name and grade; net mass; name and address of supplier and/or manufacturer; the statement “this product conforms to EN 1018, type . level .“. 7.5 Storage 7.5.1 Long term stability Product can be stored for unlimited period of time if kept dry. 7.5.2 Storage incompatibilities Product shall be kept away from acids. 4) See 2. Copyright European Committee for Standardization Provided by IHS under license with CENNot for ResaleNo reproduction
