ISO 622:2025
Coal and coke — Determination of phosphorus — Reduced molybdophosphate photometric method
OVERVIEW
This document specifies a reduced molybdophosphate photometric method for the determination of the total phosphorus mass fraction 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.
COMMENTS
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PRODUCT DETAILS
Status | Current |
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Edition | 2025 |
No. of Pages | 7 |
ICS Classification | 73.040 Coals 75.160.10 Solid fuels |
Committee | ISO/TC 27/SC 5 |
Available for Purchase | For sale in Singapore only |
Adoption | ISO : 0 |