90.92 Standard to be revised May 20, 2023
ISO
ISO/TC 27/SC 5 Methods of analysis
International Standard
ISO 540:2008 specifies a method of determining the characteristic fusion temperatures of ash from coal and coke.
WITHDRAWN
ISO 540:1995
PUBLISHED
ISO 540:2008
90.92
Standard to be revised
May 20, 2023
IN_DEVELOPMENT
ISO/DIS 540