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Co-01~03 series products are independently developed by our company. HTCo-01 is cobalt oxide in greyish green; Co-02 is cobalt sesquioxide in greyish black; Co-03 is cobaltosis oxide in black. Their grain size is less than 80 nm.
Characteristics of the Product
Co-01 is soluble in acid and alkali, but insoluble in water, alcohol and liquid
ammonia, easy to be reduced by carbon monoxide to metallic cobalt and easy to
react with silicon dioxide, cobalt oxide and zinc oxide at high temperature to
generate different pigments.
Co-02 is soluble in hot hydrochloric acid and hot thin sulfuric acid to gives
out chlorine and oxygen respectively
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Value | ||||
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Co-1 |
Co-2 |
Co-3 | ||
|
1 |
Appearance |
Gray green |
Dark gray |
Black |
|
2 |
Cobalt Oxide (%) |
≥ 99.7 |
≥ 99 |
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3 |
Diameter (nm) |
80 |
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4 |
Surface Area (m2/g) |
≥ 8 |
≥ 10 |
≥ 10 |
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5 |
Ni (%) |
≤ 0.01 |
≤ 0.5 |
≤ 0.2 |
|
6 |
Fe(%) |
< 0.01 |
< 0.07 |
≤ 0.04 |
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7 |
Ca (%) |
≤ 0.008 |
≤ 0.1 |
≤ 0.05 |
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8 |
Cu(%) |
≤ 0.01 |
≤ 0.3 |
≤ 0.08 |
|
9 |
Pb (%) |
≤ 0.002 |
≤ 0.02 |
≤ 0.002 |