GBT223.11-1991
GBT223.11-1991, Total:2 items.
The international standard classification for "GBT223.11-1991" includes: Ferrous metals .
The Chinese standard classification for "GBT223.11-1991" includes: Steel and iron alloy analysis method .
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
- GB/T 223.11-2008 Iron, Steel and Alloy - Determination of Chromium Content - Visual Titration or Potentiometric Titration Method
- GB/T 223.11-1991 Methods for chemical analysis of iron, steel and alloy - ammonium sulfate oxidation volumetric method for the determination of chromium 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,GBT223.11-1991