1、BSI Standards PublicationBS EN 16409:2013 Incorporating corrigendum February 2014Chemicals used for treatment of water intended for human consumption Dolomitic limeBS EN 16409:2013 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN 16409:2013.The UK participation i
2、n its preparation was entrusted to Technical Committee 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 to include all the necessary provisions of a contract. Users are r
3、esponsible for its correct application. The British Standards Institution 2014. Published by BSI Standards Limited 2014ISBN 978 0 580 85672 3ICS 71.100.80Compliance with a British Standard cannot confer immunity from legal obligations.This British Standard was published under the authority of the St
4、andards Policy and Strategy Committee on 31 December 2013.Amendments/corrigenda issued since publicationDate Text affected28 February 2014 Implementation of CEN Circulation Notice 8 January 2014: Title revisedBS EN 16409:2013EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 16409 December 2013 IC
5、S 71.100.80 English Version Chemicals used for treatment of water for human consumption -Dolomitic lime Produits chimiques utiliss pour le traitement de leau destine la consommation humaine - Chaux Produkte zur Aufbereitung von Wasser fr den menschlichen Gebrauch - Dolomitkalk This European Standard
6、 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 Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning suc
7、h 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 member into its own
8、 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, France, Germany, G
9、reece, 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 KOMITEE FR NORMU
10、NG 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. Ref. No. EN 16409:2013: EChemicals used for treatment of water intended for human consumption - Dolomitic limeBS EN 16409:
11、2013EN 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 Chemical formula .6 3.1.7
12、 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 Viscosity (dynamic) .8 3.3
13、.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 Labelling - Transpor
14、tation - 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 information on dolomitic l
15、ime 13 A.1 Origin . 13 BS EN 16409:2013EN 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 formul
16、a.6 3.1.6 Chemical 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
17、.8 3.3.8 Viscosity (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
18、 Analyses 10 6 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)
19、 General information on dolomitic lime 13 A.1 Origin . 13 BS EN 16409:2013EN 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 BS EN 16409:2013EN 16409:2013 (E) 4 Foreword This do
20、cument (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
21、 conflicting 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. Accordi
22、ng 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, Former Yugoslav Republic of Macedonia, France, Germany, G
23、reece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 16409:2013EN 16409:2013 (E) 4 Foreword This document (EN 16409:2013) has been prepared b
24、y 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 conflicting national standards shall be w
25、ithdrawn 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 the CEN-CENELEC Internal Regulations
26、, 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, Hungary, Iceland, Ireland, Italy, L
27、atvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 16409:2013EN 16409:2013 (E) 5 Introduction In respect of potential adverse effects on the quality of water intended for human cons
28、umption, 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 of verifiable European
29、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 EU or EFTA. The use of the product cove
30、red by this European Standard is subject to regulation or control by National Authorities. BS EN 16409:2013EN 16409:2013 (E) 6 1 Scope This European Standard is applicable to dolomitic lime used for treatment of water intended for human consumption. It describes the characteristics of dolomitic lime
31、 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 or in part, are normatively referenced in thi
32、s 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 water intended for human consumption Calcium
33、 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 Chemical names a) Calcium magnesium dihydroxide
34、 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, dolomitic lime, dolomitic quicklime. 3.1.4 Relative
35、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) Calcium magnesium dihydroxide oxide: Ca(OH)2MgO; B
36、S EN 16409:2013EN 16409:2013 (E) 6 1 Scope This European Standard is applicable to dolomitic lime used for treatment of water intended for human consumption. It describes the characteristics of dolomitic lime and specifies the requirements and the corresponding test methods. It gives information on
37、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 or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition
38、 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 calcium magnesium ca
39、rbonate 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 Chemical names a) Calcium magnesium dihydroxide oxide; b) calcium magnesium dioxide. 3.1.3 Synonym or common names a) Calcium magnesium dih
40、ydroxide oxide, semi-hydrated dolomitic lime, half-hydrated dolomitic lime, dolomitic hydrated lime; b) calcium magnesium dioxide, calcium magnesium oxide, dolomitic lime, dolomitic quicklime. 3.1.4 Relative molecular mass a) Calcium magnesium dihydroxide oxide: 114,40 g/mol; b) calcium magnesium di
41、oxide: 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) Calcium magnesium dihydroxide oxide: Ca(OH)2MgO; BS EN 16409:2013EN 16409:2013 (E) 7 b) calcium magnesium dioxide: CaOMgO. 3.1.7 CAS Registry
42、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 oxide: 261-235-4; b) calcium magnesium oxide: 253-425-0. 3.2 Commercial forms Calcium magnesium dihydroxide oxide and calcium magnesium dioxide
43、 are available in the following commercial form: coarse material or powder. 3.3 Physical properties 3.3.1 Appearance a) Calcium magnesium dihydroxide oxide: powder; 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; bul
44、k 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) 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 ap
45、plicable. 1) Chemical Abstracts Service Registry Number. 2) European Inventory of Existing Commercial Chemical Substances. BS EN 16409:2013EN 16409:2013 (E) 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
46、 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 (dynamic) The dynamic viscosity of suspensions depends on concentration and particle size. 3.3.9 Critical temperature Not applicable. 3.3.10 Critical p
47、ressure Not applicable. 3.3.11 Physical hardness Not applicable. 3.4 Chemical properties Aqueous suspensions are strongly alkaline. Dolomitic lime reacts with water to form calcium magnesium tetrahydroxide, and with acids to form calcium magnesium salts. These reactions are exothermic. 4 Purity crit
48、eria 4.1 General This European Standard specifies the minimum purity requirements for dolomitic lime 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 impu
49、rities 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 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, required dosage, contents of other impurities and additives used in the product not stated in this product standard. 3) 100 kPa = 1 bar. BS EN 16409:2013EN 16409:2013 (E) 8 3.3.5 Boiling point at 100 kPa3)Not applicable. 3.3.6 Melting poi
