ISO-622 › Solid mineral fuels - Determination of phosphorus content - Reduced molybdophosphate photometric method

ISO-622 - 2ND EDITION - CURRENT
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ISO 622:2016 specifies a reduced molybdophosphate photometric method for the determination of the total phosphorus content of hard coal, lignites and coke. Two methods for taking the phosphorus into solution are specified, namely extraction from the coal or coke ash with acid or by repeated oxidation of the coal or coke, by acid, to remove carbonaceous matter.

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75.160.10 (Solid fuels Including coal products, coke, peat, wood, derivatives of coal pyrolysis, etc. Coals, see 73.040)

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Document Number

ISO 622:2016

Revision Level

2ND EDITION

Status

Current

Publication Date

Nov. 15, 2016

Committee Number

ISO/TC 27/SC 5