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