Повучен
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.
ПОВУЧЕН
ISO 334:1975
ПОВУЧЕН
ISO 334:1992
95.99
Повучен
10. 10. 2013.
ПОВУЧЕН
ISO 334:2013
Čvrsta mineralna goriva - ODREĐIVANJE SADRŽAJA UKUPNOG SUMPORA - Metoda po Eški - (Identičan sa ISO 334:1992)
95.99 Повучен