umthengisi we-factory Hafnium silicide HfSi2 cas 12401-56-8
Igraphene micro-nano graphene
TUNGSTEN SULFIDE 12138-09-9
I-Strontium nitrate 10042-76-9
Umniki-mveliso weCalcium fluoride CAS 7789-75-5
I-Magnesium fluoride 7783-40-6
Umthengisi wokuvelisa iPlatinum dioxide cas 1314-15-4
I-Ammonium chloroplatinate 16919-58-7
I-Palladium ammonium chloride 13820-40-1
Tantalum 7440-25-7
Umgubo wesilivere 7440-22-4
Bismuth 7440-69-9