|
project
|
Indicatros
|
Test results
|
|
Appearance
|
White powder
|
White powder
|
|
Zinc oxide , % ≥
|
99.70
|
99.72
|
|
Potassium oxide , % ≤
|
0.0010
|
0.0010
|
|
Sodium oxide, % ≤
|
0.0010
|
0.0010
|
|
Iron oxide , % ≤
|
0.0020
|
0.0019
|
|
Cadmium oxide , % ≤
|
0.0050
|
0.0048
|
|
Lead oxide, % ≤
|
0.003
|
0.0028
|
|
Copper oxide, % ≤
|
0.0002
|
0.0002
|
|
Zinc
|
|
|
|
Water , % ≤
|
0.3
|
0.28
|
|
% ≤
|
0.006
|
0.0050
|
|
Hydrochloric acid insoluble , %≤
|
0.2
|
0.18
|
|
PH
|
7.0-8.0
|
7.5
|
|
Average particle size μm, ≤
|
0.50
|
0.45
|
|
Sieve residue , % ≤
|
0.10
|
0.087
|
