Reference number
ISO 334:1992
© ISO 2024
ISO 334:1992
Solid mineral fuels — Determination of total sulfur — Eschka method
Edition 2
1992-12
Withdrawn
Withdrawn (Edition 2, 1992)

Abstract

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.

General information

  • Status
     : Withdrawn
    Publication date
     : 1992-12
    Stage
    : Withdrawal of International Standard [95.99]
  • Edition
     : 2
    Number of pages
     : 5
  • Technical Committee :
    ISO/TC 27/SC 5
    ICS :
    73.040  75.160.10 
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