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ISO 622:2016

Coal and coke - Determination of phosphorus - Reduced molybdophosphate photometric method
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ISO 622:2016

Coal and coke - Determination of phosphorus - Reduced molybdophosphate photometric method

PUBLISH DATE 2016
ISO 622:2016

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.

SDO ISO: International Organization for Standardization
Document Number ISO 622
Publication Date Nov. 15, 2016
Language en - English
Page Count
Revision Level
Supercedes
Committee ISO/TC 27/SC 5
Publish Date Document Id Type View
Jan. 1, 2025 ISO 622:2025 Revision
Nov. 15, 2016 ISO 622:2016 Revision