GB/T 12690.2-1990
GB/T 12690.2-1990, Total:3 items.
The international standard classification for "GB/T 12690.2-1990" includes: Cadmium, cobalt and their alloys , Other non-ferrous metals and their alloys .
The Chinese standard classification for "GB/T 12690.2-1990" includes: Rare metals and their alloys analysis method , Rare metals and their alloys .
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
- GB/T 12690.2-2015 Chemical analysis methods for non-rare earth impurity of rare earth metals and their oxides―Part 2:Determination of ignition loss content of rare earth oxides―Gravimetric method
- GB/T 12690.2-1990 Lanthanum oxide--Determination of neodymium oxide, cerium oxide, praseodymium oxide, samarium oxide and yttrium oxide contents-Emission spectrographic method
- GB/T 12690.2-2002 Chemical analysis methods for non-RE impurity of rare earth metals and their oxides-Determination of ignition loss content of rare earth oxides-Gravimetric method
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,GB/T 12690.2-1990