GBT223.40-1985
GBT223.40-1985, Total:2 items.
The international standard classification for "GBT223.40-1985" includes: Ferrous metals , Chemical analysis of metals .
The Chinese standard classification for "GBT223.40-1985" includes: Steel and iron alloy analysis method .
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
- GB/T 223.40-2007 Iron, Steel and Alloy - Determination of Niobium Content by the Sulphochlorophenol S Spectrophotometric Method
- GB/T 223.40-1985 Methods for chemical analysis of iron,steel and alloy; The anion-exchange separation-sulphochlorophenol S photometric method for the determination of niobium content
gbt,gbt gbt,gbt method,ultraviolet gbt,gbt series,GBT10044,GBT10046,GBT10,GBT100,GBT1000,GBT10000,GB/T 10001.1,GB/T 10001.10,GB/T 10001.2,GB/T 10001.3,GBT10001.4,GBT10001.5,GBT223.40-1985
