分子式 Molecular formula：CoSO4·7H2O
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控制标准Control Standards |
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控制指标 Items |
单位 Units |
等级A Grade A |
等级B Grade B |
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外观 Appearance |
Red crystals with brownish yellow
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Co |
% |
≥20.5 |
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|
Ni |
% |
≤ 0.0010 |
≤ 0.0020 |
|
Cu |
% |
≤ 0.0010 |
≤ 0.0010 |
|
Fe |
% |
≤ 0.0010 |
≤ 0.0010 |
|
Mg |
% |
≤ 0.0010 |
≤ 0.0020 |
|
Pb |
% |
≤ 0.0010 |
≤ 0.0010 |
|
Zn |
% |
≤ 0.0010 |
≤ 0.0010 |
|
Cd |
% |
≤ 0.0010 |
≤ 0.0010 |
|
Mn |
% |
≤ 0.0010 |
≤ 0.0020 |
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Ca |
% |
≤ 0.0010 |
≤ 0.0020 |
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Na |
% |
≤ 0.0020 |
≤ 0.0050 |
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Cr |
% |
≤ 0.0010 |
≤ 0.0010 |
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Cl- |
% |
≤ 0.0030 |
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水不溶物 Water-insoluble |
% |
≤ 0.0100 |
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F- |
% |
≤ 0.0030 |
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油份Oil |
% |
≤ 0.0015 |
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|
磁性异物 Magnetic Meta Impurities |
ppb |
≤ 100 |
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