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Norm
ISO 334:1992
Issue date: 1992 12 10
Solid mineral fuels — Determination of total sulfur — Eschka method
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 at...
Withdrawn: 2013 10 10
Publisher:
International Organization for Standardization
Format:
Digital | 5 Pages
Language:
English
Currently valid:
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.
Norm
Issue date :
2013 10 10
Solid mineral fuels — Determination of total sulfur — Eschka method
