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Sets out a method for the determination by atomic absorption spectrometry of the concentrations of the acid-extractable ions sodium, magnesium, calcium and iron in coal. AS 2434.9¿¿2000 Methods for the analysis and testing of lower rank coal and its chars Method 9: Determination of four acid-extractable inorganic ions in lower rank coal RECONFIRMATION NOTICE Technical Committee MN-001 has reviewed the content of this publication and in accordance with Standards Australia procedures for reconfirmation, it has been determined that the publication is still valid and does not require change. Certain documents referenced in the publication may have been amended since the original date of publication. Users are advised to ensure that they are using the latest versions of such documents as appropriate, unless advised otherwise in this Reconfirmation Notice. Approved for reconfirmation in accordance with Standards Australia procedures for reconfirmation on 15 July 2013. The following are represented on Technical Committee MN-001: Australasian Institute of Mining and Metallurgy Australian Coal Association Australian Coal Industry Reference Samples Australian Coal Preparation Society Bureau of Steel Manufacturers of Australia Coalfield Geology Council of NSW CSIRO Energy Technology National Association of Testing Authorities Australia National Generators Forum The University of New South Wales The University of Queensland University of Newcastle To view or download a copy of the reconfirmation notice please go to the reconfirmation link near the top of this page.

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1. AS 2434.9-2000 (R2013)

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   October 2013
   Method for the analysis and testing of lower rank coal and its chars - Determination of four acid-extractable ions in lower rank coal

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3. AS 2434.9-2000

   January 2000
   Method for the analysis and testing of lower rank coal and its chars - Determination of four acid-extractable ions in lower rank coal

4. Historical Version