ISO 622:2025

Coal and coke — Determination of phosphorus — Reduced molybdophosphate photometric method
Autor: ISO
Códigos ICS: 73.040 ; 75.160.10
Vigente
$94.010

Alcance

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.

Especificaciones de la Norma
Fecha de Publicación 25/06/2025
Título Secundario Charbon et coke — Détermination du phosphore — Méthode photométrique au molybdophosphate réduit
Páginas Técnicas 7
Idioma Inglés