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1、BRITISH STANDARD BS ISO 17246:2005 Incorporating Technical Corrigendum No. 1 Coal Proximate analysis ICS 73.040 ? Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 27 07:21:51 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS ISO 17246:2005 This British Standard was published under the authority of th
2、e Standards Policy and Strategy Committee on 14 June 2005 BSI 2006 ISBN 0 580 46044 4 National foreword This British Standard was published by BSI. It is the UK implementation of ISO 17246:2005, incorporating Technical Corrigendum July 2006. The UK participation in its preparation was entrusted to T
3、echnical Committee PTI/16, Solid mineral fuels. A list of organizations represented on PTI/16 can be obtained on request to its secretary. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a Bri
4、tish Standard cannot confer immunity from legal obligations. Amendments issued since publication Amd. No. DateComments 16754 Corrigendum No. 1 30 November 2006Correction to Clause 8b) Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 27 07:21:51 GMT+00:00 2006, Uncontrolled Copy, (c) BSI Reference
5、 number ISO 17246:2005(E) INTERNATIONAL STANDARD ISO 17246 First edition 2005-05-01 Coal Proximate analysis Charbon Analyse immdiate BS ISO 17246:2005 Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 27 07:21:51 GMT+00:00 2006, Uncontrolled Copy, (c) BSI ii Licensed Copy: sheffieldun sheffieldun,
6、 na, Mon Nov 27 07:21:51 GMT+00:00 2006, Uncontrolled Copy, (c) BSI iii Foreword ISO (the International 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 tech
7、nical committees. Each member body interested in a subject for which a technical committee has 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
8、 with the International Electrotechnical Commission (IEC) on all matters of electrotechnical 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 I
9、nternational Standards adopted by the technical committees are circulated to the member bodies 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
10、 may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights. ISO 17246 was prepared by Technical Committee ISO/TC 27, Solid mineral fuels, Subcommittee SC 5, Methods of analysis. BS ISO 17246:2005 Licensed Copy: sheffieldun sheffieldun, na, M
11、on Nov 27 07:21:51 GMT+00:00 2006, Uncontrolled Copy, (c) BSI blank Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 27 07:21:51 GMT+00:00 2006, Uncontrolled Copy, (c) BSI 1 Coal Proximate analysis 1 Scope This International Standard establishes a practice for the proximate analysis of coal and i
12、s intended for general utilization by the coal industry to provide a basis for comparison of coals. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the late
13、st edition of the referenced document (including any amendments) applies. ISO 562, Hard coal and coke Determination of volatile matter ISO 589, Hard coal Determination of total moisture ISO 1170, Coal and coke Calculation of analyses to different bases ISO 1171, Solid mineral fuels Determination of
14、ash ISO 1213-2, Solid mineral fuels Vocabulary Part 2: Terms relating to sampling, testing and analysis ISO 11722, Solid mineral fuels Hard coal Determination of moisture in the general analysis test sample by drying in nitrogen 3 Terms and definitions For the purposes of this document, the terms an
15、d definitions given in ISO 1213-2 apply. 4 Principle Coal is analysed for content of moisture, ash and volatile matter. The fixed carbon is calculated and the results are reported, to the preferred basis, as a proximate analysis. 5 Preparation of sample Prepare the sample so that it satisfies the re
16、quirements of the various test methods (see Table 1). 6 Test methods Carry out the determination in accordance with Table 1. BS ISO 17246:2005 Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 27 07:21:51 GMT+00:00 2006, Uncontrolled Copy, (c) BSI 2 Table 1 Standard test methods for proximate anal
17、ysis Parameter Test method Total moisture (if an “as received” reporting basis is required) ISO 589 Moisture in air-dried sample ISO 11722 Ash ISO 1171 Volatile matter ISO 562 7 Expression of results The fixed carbon, calculated to air-dried basis, Cfix,ad, is given by the formula: Cfix,ad = 100 (Ma
18、d + Aad + Vad) where Mad is the moisture in the air-dried sample; Aad is the ash (calculated to air-dried basis); Vad is the volatile matter (calculated to air-dried basis). The result is reported to the nearest 0,1 %. The fixed carbon may also be calculated to other bases using the formulae in Tabl
19、e 2. Table 2 Formulae for calculation of results to different bases Reporting basis As received Air-dried Dry (ar) (ad) (d) Parameter, P (moisture, ash or volatiles) ar arad ad 100 100 M PP M ? ? ? dad ad 100 100 PP M ? ? Where M is the moisture content. For further calculations, see ISO 1170. See A
20、nnex A for an example of proximate data reported to different bases. 8 Test report The test report shall include the following information: a) reference to this International Standard, i.e. ISO 17246: 2005; b) identification of the coal sample tested; c) method or methods used; d) results and basis
21、of reporting. BS ISO 17246:2005 Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 27 07:21:51 GMT+00:00 2006, Uncontrolled Copy, (c) BSI 3 Annex A (informative) Proximate analysis example Parameter As received Air driedDry % m/m(ar)(ad)(d) Total moisture (Mar) 8,0 Moisture in air-dried sample (Mad
22、) 3,0 Ash 9,5 10,0 10,3 Volatile matter 19,0 20,0 20,6 Fixed carbon 63,5 67,0 69,1 Total100,0 100,0 100,0 BS ISO 17246:2005 Licensed Copy: sheffieldun sheffieldun, na, Mon Nov 27 07:21:51 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS ISO 17246:2005 BSI 389 Chiswick High Road London W4 4AL BSI Britis
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