Cadmium sulfate octahydrate
- 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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