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ISO/CD 334

Coal and coke — Determination of total sulfur — Eschka method

General information

30.99     Feb 2, 2026

ISO

ISO/TC 27/SC 5

International Standard

Scope

This document specifies a reference method for determining the total sulfur content of hard coal, brown coals and lignites, and coke by the Eschka method.

Life cycle

PREVIOUSLY

PUBLISHED
ISO 334:2020

NOW

PROJECT
ISO/CD 334
30.99 CD approved for registration as DIS
Feb 2, 2026