GB/t 12690.2

GB/t 12690.2, Total:4 items.

The international standard classification for "GB/t 12690.2" includes: Other non-ferrous metals and their alloys , Cadmium, cobalt and their alloys .

The Chinese standard classification for "GB/t 12690.2" 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 12690.2-1990 Lanthanum oxide--Determination of neodymium oxide, cerium oxide, praseodymium oxide, samarium oxide and yttrium oxide contents-Emission spectrographic method
GB/T 12690.2-2015(英文版) 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 12690.2-2015 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 12690.2-2002 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