Published
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.
WITHDRAWN
ISO 334:2013
PUBLISHED
ISO 334:2020
90.92
Standard to be revised
Feb 2, 2026
IN_DEVELOPMENT
ISO/CD 334
Coal and coke — Determination of total sulfur — Eschka method
60.60 Standard published