|
ITEM
|
spec
|
|
SnO2%≥
|
99.90
|
|
Pb%≤
|
0.010
|
|
Cd%≤
|
0.001
|
|
Fe%≤
|
0.001
|
|
Cu%≤
|
0.003
|
|
Ag%≤
|
0.020
|
|
As%≤
|
0.001
|
|
Sb%≤
|
0.002
|
|
Average particle size nm/g≤
|
200
|
|
Bulk density g/cm3≤
|
0.312
|
|
Surface Area sqm/g
|
8.0
|


用于光催化抗菌材料
