BS-ISO-15238-2003.pdf
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1、BRITISH STANDARD BS ISO 15238:2003 Solid mineral fuels Determination of total cadmium content of coal ICS 73.040 ? Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 27 06:46:18 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS ISO 15238:2003 This British Standard was published under the authority of t
2、he Standards Policy and Strategy Committee on 5 December 2003 BSI 5 December 2003 ISBN 0 580 43016 2 National foreword This British Standard reproduces verbatim ISO 15238:2003 and implements it as the UK national standard. The UK participation in its preparation was entrusted to Technical Committee
3、PTI/16, Solid mineral fuels, which has the responsibility to: A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references The British Standards which implement international publications referred to in this document may be found in the BSI Cata
4、logue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its co
5、rrect application. Compliance with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests i
6、nformed; monitor related international and European developments and promulgate them in the UK. Summary of pages This document comprises a front cover, an inside front cover, the ISO title page, pages ii to iv, pages 1 to 6, an inside back cover and a back cover. The BSI copyright notice displayed i
7、n this document indicates when the document was last issued. Amendments issued since publication Amd. No. DateComments Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 27 06:46:18 GMT+00:00 2006, Uncontrolled Copy, (c) BSI Reference number ISO 15238:2003(E) INTERNATIONAL STANDARD ISO 15238 First
8、edition 2003-12-01 Solid mineral fuels Determination of total cadmium content of coal Combustibles minraux solides Dosage du cadmium total dans le charbon BS ISO 15238:2003 Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 27 06:46:18 GMT+00:00 2006, Uncontrolled Copy, (c) BSI DPlcsid Fremia ihTs
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13、.r ISO cirypothg fofice saCe tsopale 65 eneG 1121-HC 02 av leT. 4 + 10 947 22 1 11 xaF0 947 22 14 + 9 74 E-mial coirypthgis.o gro We bwww.is.o gro ii BS ISO 15238:2003 Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 27 06:46:18 GMT+00:00 2006, Uncontrolled Copy, (c) BSI iii Foreword ISO (the Int
14、ernational Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is normally carried out through ISO technical committees. Each member body interested in a subject for which a technical committee ha
15、s been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical
16、standardization. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2. The main task of technical committees is to prepare International Standards. Draft International Standards adopted by the technical committees are circulated to the member bodie
17、s for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO shall not be held responsible for identifying any o
18、r all such patent rights. ISO 15238 was prepared by Technical Committee ISO/TC 27, Solid mineral fuels, Subcommittee SC 5, Methods of analysis. BS ISO 15238:2003 Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 27 06:46:18 GMT+00:00 2006, Uncontrolled Copy, (c) BSI iv Introduction Cadmium occurs
19、naturally in coal. It is an element that can potentially be released during the combustion process. Quantitative recovery can be achieved by strict adherence to the procedure set out in this International Standard. The method may also be suitable for other elements, including lead and arsenic, altho
20、ugh the choice of matrix modifier may vary. BS ISO 15238:2003 Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 27 06:46:18 GMT+00:00 2006, Uncontrolled Copy, (c) BSI INTENRATIONAL TSANDADR IS:83251 O3002(E) I SO 3002 All irhgts seredevr 1 Solid mineral fuels Determination of total cadmium content
21、 of coal 1 Scope This International Standard specifies a procedure for the determination of the total cadmium content of coal. This procedure has not been validated with coals that spontaneously ignite. Prior to use with such sample types, users should validate the method. 2 Normative references The
22、 following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO 331, Coal Determination of moisture in the analy
23、sis sample Direct gravimetric method ISO 1170, Coal and coke Calculation of analyses to different bases ISO 3696, Water for analytical laboratory use Specifications and test methods ISO 5068, Brown coals and lignites Determination of moisture content Indirect gravimetric method ISO 5069-2, Brown coa
24、ls and lignites Principles of sampling Part 2: Sample preparation for determination of moisture content and for general analysis ISO 13909-2, Hard coal and coke Mechanical sampling Part 2: Coal Sampling from moving streams 3 Principle The coal sample is ashed, followed by dissolution of the ash in a
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