Selenium dioxide
- Số CAS
- 7446-08-4
- Khối lượng phân tử
- 110.96
- Công thức phân tử / ký hiệu hóa học
- SeO2
Mô tả
Apearances: White lustrous tetragonal crystal, specific gravity 3.59-3.95. Highly volatile, the volatile condensate is white or pale yellow needles, without melting volatile.
ỨNG DỤNG
Manganese electrolysis with
additives: mainly used for beverage additives in trace elements, blackening
agent of iron and steel materials, can also be used as the oxidant, catalyst,
chemical reagents, etc.
Keywords:Surface treatment chemicals
Phiếu kiểm nghiệm
|
Product name |
Selenium dioxide |
CAS: 7446-08-4 |
|
|
Apearances |
White lustrous tetragonal crystal |
||
|
TEST ITEMS |
TEST RESULT |
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|
|
AR |
CP |
|
|
SeO2 |
≥ 99.0 |
98.0 |
|
|
Residue on ignition (as sulphate) |
≤ 0.05 |
0.2 |
|
|
Cl |
≤ 0.003 |
0.005 |
|
|
Sulfate and selenate |
≤ 0.05 |
0.1 |
|
|
Fe |
≤ 0.001 |
0.002 |
|
|
Heavy metals (as Pb) |
≤ 0.001 |
0.05 |
|
|
Water insoluble matter |
≤ 0.005 |
0.01 |
|