CAS number : 7790-84-3
Molecular weight :352.60
Molecular formula/chemical symbol :CdH16O12S
Description :
Colorless monoclinic crystal, no smell. Heated to forty degrees began to
dehydrate, to 80 degrees above a hydrate, but continue to heating not become
grey anhydride. Soluble in water, almost insoluble in alcohol and ethyl acetate
and ethyl ether.
USES :
Cadmium, copper, nickel electrolytic deposition, manufacturing standard cadmium, ma hui test method of determination of arsenic catalyst, hydrogen sulphide, verification fumaric acid, cadmium plating.
Keywords:Surface treatment chemicals
Report :
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Cadmium sulfate octahydrate |
CAS:7790-84-3 |
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Appearance |
Colorless monoclinic crystal, no smell |
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Chemical formula |
CdSO4·8/3H2O |
Purity: |
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Test items(5) |
Test results |
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analytically pure（AR） |
Chemically pure（CP） |
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Content (3 cdso4 · 8 h2o) |
99.0 |
99.0 |
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PH (fifty g/L solution, 25 ℃) or less |
4.0 |
4.0 |
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clarity Test |
qualified |
qualified |
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Water-insoluble, or less |
0.003 |
0.005 |
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Ammonium sulfide not sediment (in sulfate meter), or less |
0.1 |
0.2 |
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Chloride (Cl), or less |
0.001 |
0.003 |
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Total nitrogen (N), or less |
0.002 |
0.006 |
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Aluminum (Al),acuities |
0.005 |
0.01 |
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Arsenic (As),acuities |
0.00005 |
0.0001 |
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Iron determine if flexion-extension (Fe) radiographs, acuities |
0.0002 |
0.0006 |
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Copper (Cu), or less |
0.001 |
0.002 |
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Zinc (Zn),acuities |
0.002 |
0.005 |
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Lead (Pb), acuities |
0.1 |
0.02 |
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