ISO 622:2025
ISO 622:2025 Coal and coke — Determination of phosphorus — Reduced molybdophosphate photometric method
CDN $125.00
This publication was last reviewed and confirmed in 2025.
Coal and coke — Determination of phosphorus — Reduced molybdophosphate photometric method
Description
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.
Edition
3
Published Date
2026-06-18
Status
PUBLISHED
Pages
7
Language
English
Format
Secure PDF
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Abstract
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.
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