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ISO/CD 334

Coal and coke — Determination of total sulfur — Eschka method

General information

Current stage: 30.99 Effective date: 2 shk 2026

Originator: ISO

Owner: ISO/TC 27/SC 5

Type: 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

IN_DEVELOPMENT
ISO/CD 334
30.99 CD approved for registration as DIS
2 shk 2026