BS-6043-3.6-2000 ISO-11713-2000.pdf
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1、| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BRITISH STANDARD BS 6043-3.6:2000 ISO 1171
2、3:2000 ICS 71.100.10 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW Methods of sampling and test for carbonaceous materials used in aluminium manufacture Part 3: Electrodes Section 3.6: Determination of electrical resistivity of cathode blocks and prebaked anodes at ambient t
3、emperature Licensed Copy: sheffieldun sheffieldun, na, Wed Dec 06 14:47:40 GMT+00:00 2006, Uncontrolled Copy, (c) BSI This British Standard, having been prepared under the direction of the Sector Committee for Materials and Chemicals, was published under the authority of the Standards Committee and
4、comes into effect on 15 October 2000 BSI 10-2000 ISBN 0 580 36585 9 BS 6043-3.6:2000 Amendments issued since publication Amd. No.DateComments National foreword This British Standard reproduces verbatim ISO 11713:2000 and implements it as the UK national standard. The UK participation in its preparat
5、ion was entrusted to Technical Committee CII/24, Raw materials for the aluminium industry, which has the responsibility to: 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
6、interests informed; monitor related international and European developments and promulgate them in the UK. A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references The British Standards which implement international or European publications
7、referred to in this document may be found in the BSI Standards Catalogue under the section entitled International Standards Correspondence Index, or by using the Find facility of the BSI Standards Electronic Catalogue. A British Standard does not purport to include all the necessary provisions of a
8、contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, the ISO title page, pages ii and iii, a bla
9、nk page, pages 1 to 4, an inside back cover and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued. Licensed Copy: sheffieldun sheffieldun, na, Wed Dec 06 14:47:40 GMT+00:00 2006, Uncontrolled Copy, (c) BSI INTERNATIONAL STANDARD ISO 11713 F
10、irst edition 2000-05-15 Reference number ISO 11713:2000(E) Carbonaceous materials used in the production of aluminium Cathode blocks and baked anodes Determination of electrical resistivity at ambient temperature Produits carbons utiliss pour la production de laluminium Blocs cathodiques et anodes c
11、uites Dtermination de la rsistivit lectrique la temprature ambiante BS 6043-3.6:2000 Licensed Copy: sheffieldun sheffieldun, na, Wed Dec 06 14:47:40 GMT+00:00 2006, Uncontrolled Copy, (c) BSI ii? BS 6043-3.6:2000 Licensed Copy: sheffieldun sheffieldun, na, Wed Dec 06 14:47:40 GMT+00:00 2006, Uncontr
12、olled 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 technical com- mittees. Each member body interested
13、 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 liai- son with ISO, also take part in the work. ISO collaborates closely with the International Electrotechnical Co
14、mmission (IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 3. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication a
15、s 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 International Standard may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such pa
16、tent rights. International Standard ISO 11713 was prepared by Technical Committee ISO/TC 47,Chemistry, Subcommittee SC 7,Aluminium oxide, cryolite, aluminium fluoride, sodium fluoride, carbonaceous products for the aluminium in- dustry. BS 6043-3.6:2000 Licensed Copy: sheffieldun sheffieldun, na, We
17、d Dec 06 14:47:40 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS 6043-3.6:2000 Licensed Copy: sheffieldun sheffieldun, na, Wed Dec 06 14:47:40 GMT+00:00 2006, Uncontrolled Copy, (c) BSI ?1 Carbonaceous materials used in the production of aluminium Cathode blocks and baked anodes Determination of elec
18、trical resistivity at ambient temperature 1Scope This International Standard specifies a method for the determination of the electrical resistivity of cathode blocks and baked anodes used in the production of aluminium, using samples at ambient temperature. 2Normative references The following normat
19、ive documents contain provisions which, through reference in this text, constitute provisions of this International Standard. For dated references, subsequent amendments to, or revisions of, any of these publications do not apply. However, parties to agreements based on this International Standard a
20、re encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references, the latest edition of the normative document referred to applies. Members of ISO and IEC maintain registers of currently valid International Standards
21、. ISO 8007-1:1999,Carbonaceous materials used in the production of aluminium Sampling plans and sampling from individual units Part 1: Cathode blocks. ISO 8007-2:1999,Carbonaceous materials used in the production of aluminium Sampling plans and sampling from individual units Part 2: Prebaked anodes.
22、 3Principle A fixed, constant direct current is passed through a sample of given cross-section. The voltage drop between sen- sors is measured and the electrical resistivity is calculated. 4?Apparatus 4.1Drilling machine, equipped with a diamond-tipped drill. 4.2Cutter, with a diamond-coated disk. 4
23、.3Slide calliper, accurate to?. 4.4Ammeter, accurate to?. 4.5Potentiometer, or digital voltmeter, class of accuracy IEC?. 4.6Sample clamping device, equipped with a current supply and voltage sensors which may be points or blades with a radius of curvature not less than?. For blades the sensors shal
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