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prSRPS ISO 622:2026

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

General information

10.99     Jan 1, 2026

ISS

B082

International Standard

73.040     75.160.10  

Serbian  

Scope

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.

Life cycle

PREVIOUSLY

PUBLISHED
SRPS ISO 622:2020

NOW

PROJECT
prSRPS ISO 622:2026
10.99 New project approved
Jan 1, 2026

Related project

Adopted from ISO 622:2025 IDENTICAL