ISO 334:1992

Solid mineral fuels — Determination of total sulfur — Eschka method

Publication date:   Dec 10, 1992

95.99   Withdrawal of Standard   Oct 10, 2013

General information

95.99   Withdrawal of Standard   Oct 10, 2013

ISO

ISO/TC 27/SC 5 Methods of analysis

International Standard

73.040   Coals | 75.160.10   Solid fuels

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Scope

The reference method specified is based on igniting a test portion (of hard coal, brown coal, lignite, or coke) in intimate contact with Eschka mixture in an oxidizing atmosphere, removal of combustible matter and conversion of the sulfur to sulfate, extraction of sulfate with hydrochloric acid solution and gravimetric determination by precipitation with barium chloride.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 334:1975

NOW

WITHDRAWN
ISO 334:1992
95.99 Withdrawal of Standard
Oct 10, 2013

REVISED BY

WITHDRAWN
ISO 334:2013