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ISO 334:1992 PDF
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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 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.
| Edition | 1992 |
|---|---|
| Published Date | 1992 |
| Published By | International Standardization Organisation |
| Page Count | 5 |
