Sodium dihydrogen phosphate
- Số CAS
- 13472-35-0
- Khối lượng phân tử
- 156.01
- Công thức phân tử / ký hiệu hóa học
- NaH2PO4.2H2O
Mô tả
Apearances: Colorless or white crystalline powder. The 100 ℃ lose all crystal water. Burning becomes sodium metaphosphate. Soluble in water, almost insoluble in alcohol, its aqueous solution is acidic.
ỨNG DỤNG
Buffering agent, water softener, manufacturing
hexametaphosphate sodium phosphate and sodium pyrophosphate, the determination
of magnesium, formulated modified White medium haploid breeding.
Molecular biology grade for gel electrophoresis -
rubber buffer component for denaturing gel containing formaldehyde.
Keywords:Surface treatment chemicals
Phiếu kiểm nghiệm
|
TEST ITEMS |
TEST RESULT |
|
|
|
AR |
CP |
|
NaH2PO4·2H2O |
≥99.0 |
98.0 |
|
Aqueous reaction |
Qualified |
Qualified |
|
Clarity Test |
Qualified |
Qualified |
|
Water insoluble matter |
≤0.01 |
0.02 |
|
Chloride (Cl) |
≤0.005 |
0.01 |
|
Sulfate (SO4) |
≤0.005 |
0.01 |
|
Nitrate (NO3) |
≤0.001 |
0.002 |
|
K |
≤0.001 |
0.002 |
|
Fe |
≤0.001 |
0.005 |
|
As |
≤0.0002 |
0.0005 |
|
Heavy metals (as Pb) |
≤0.001 |
0.005 |
|
Ammonia precipitate |
0.01 |
0.02 |