Standard

ISO 334:1992

Withdrawn

Note: This standard has a new edition: ISO 334:2020

Corrigendums and amendments are bought separately.

Language
Services

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.

Document information

  • Standard from ISO
  • Published:
  • Withdrawn:
  • Expires:
  • Edition: 2
  • Version: 1
  • Document type: IS
  • ICS 73.040
  • ICS 75.160.10
  • ISO TC ISO/TC 27/SC 5

Product Relations

Product life cycle