2) Daim ntawv cog lus tsis pub lwm tus paub tuaj yeem kos npe
3) Xya hnub rov qab lav
Tseem ceeb tshaj: peb tuaj yeem muab tsis tau tsuas yog cov khoom lag luam, tab sis kev pabcuam kev daws teeb meem!
Cov khoom npe | Cerium Oxide | ||||||
CeO 2/TREO (% min.) | 99.999 ib | 99.99 ib | 99.9 ua | 99 | |||
TREO (% min.) | 99 | 99 | 99 | 99 | |||
Poob ntawm ignition (% max.) | 1 | 1 | 1 | 1 | |||
Rare Earth Impurities | ppm max. | ppm max. | % max. | % max. | |||
La2O3/TREO | 2 | 50 | 0.1 | 0.5 | |||
Pr6O11/TSO | 2 | 50 | 0.1 | 0.5 | |||
Nd2O3/TREO | 2 | 20 | 0.05 Nws | 0.2 | |||
Sm2O3/TSO | 2 | 10 | 0.01 ib | 0.05 Nws | |||
Y2O3/TREO | 2 | 10 | 0.01 ib | 0.05 Nws | |||
Tsis-Re Earth Impurities | ppm max. | ppm max. | % max. | % max. | |||
Fe2O 3 | 10 | 20 | 0.02 ib | 0.03 ib | |||
SiO 2 | 50 | 100 | 0.03 ib | 0.05 Nws | |||
CaO | 30 | 100 | 0.05 Nws | 0.05 Nws | |||
PbO | 5 | 10 | |||||
Al2O3 | 10 | ||||||
NiO | 5 | ||||||
CuO | 5 | ||||||
Hom | Epoch-Chem |