Sodium bisulfite
- Số CAS
- 7631-90-5
- Khối lượng phân tử
- 104.06
- Công thức phân tử / ký hiệu hóa học
- NaHSO3
Mô tả
White crystalline powder with sulfur dioxide odor, soluble in water, slightly soluble in alcohol. Easily oxidized in the air for the sodium sulfate and the relative density (water = 1): 1.48 (20 ° C).
ỨNG DỤNG
Used
as a bleaching agent, mordant, vegetable dehydration and preservatives,
photographic reducing agent, pharmaceutical, electroplating, paper and other
help rinse agent.
Phiếu kiểm nghiệm
|
TEST ITEMS |
TEST RESULT |
||
|
|
( AR) |
(CP) |
Industrial Grade |
|
SO2 |
58.5-65.0 |
58.5-65.0 |
58.5-65.0 |
|
Clarity Test |
Qualified |
Qualified |
- |
|
Water insoluble matter |
≤ 0.005 |
0.01 |
0.1 |
|
Chloride (Cl) |
≤ 0.01 |
0.02 |
- |
|
(Fe) |
≤ 0.001 |
0.002 |
- |
|
(As) |
≤ 0.0001 |
0.0002 |
- |
|
Heavy metals (as Pb) |
≤ 0.001 |
0.002 |
- |