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!
| Qauv | APS (ua) | Purity (%) | Qhov chaw tshwj xeeb (m2 / g) | Qhov ceev (g / cm3) | Xim | |||||
| Kev tshwm sim | 5-10 hli | 5-10 | 5.42 ib | 2.12 | grey | |||||
| Hom | Epoch-Chem | |||||||||