|
Items
|
Specification
|
Typical
|
|
MnO2
|
≥91.0%
|
92.0%
|
|
Moisture
|
≤3.0%
|
2.0%
|
|
Fe
|
≤ 100ppm
|
65 ppm
|
|
Cu
|
≤ 5ppm
|
0.5 ppm
|
|
Pb
|
≤ 5ppm
|
0.5 ppm
|
|
Ni
|
≤ 5ppm
|
2.0 ppm
|
|
Co
|
≤ 5ppm
|
2.0 ppm
|
|
Sulfates
|
≤ 1.4%
|
1.2%
|
|
Insolubels in HCL
|
≤ 0.10%
|
0.01%
|
|
PH
|
5.5~7.5
|
6.5
|
|
Particle size
|
||
|
-100
|
≥ 99.5%
|
99.9%
|
|
-200
|
≥ 95.0%
|
99.5%
|
|
-325
|
≥ 90.0%
|
95.0%
|
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