NEN-ISO 622
Solid mineral fuels - Determination of phosphorus content - Reduced molybdophosphate photometric method
active, Most Current
| Organization: | NEN |
| Publication Date: | 1 November 2016 |
| Status: | active |
| Page Count: | 15 |
| ICS Code (Solid fuels): | 75.160.10 |
scope:
ISO 622 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.
Document History
NEN-ISO 622
November 1, 2016
Solid mineral fuels - Determination of phosphorus content - Reduced molybdophosphate photometric method
ISO 622 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...