Ammonium dihydrogen phosphate
- Số CAS
- 7722-76-1
- Khối lượng phân tử
- 115.03
- Công thức phân tử / ký hiệu hóa học
- NH4H2PO4
Mô tả
Apearances: The white crystalline powder. Stable in the air, showing acidic reaction. Soluble in water, slightly soluble in ethanol, insoluble in acetone.
ỨNG DỤNG
Preparation of buffers and media, production of phosphate, phosphor, wood, paper, fabric, flame retardants, dry powder extinguishing agent. Analytical standards for measuring nitrogen for Kjeldahl nitrogen determination.
Keywords:Surface treatment chemicals
Phiếu kiểm nghiệm
|
TEST ITEMS |
TEST RESULT |
|
|
|
(AR) (CP) |
|
|
NH4H2PO4 |
≥99.0 |
98.5 |
|
Aqueous reaction |
Qualified |
Qualified |
|
Clarity Test |
Qualified |
Qualified |
|
Water insoluble matter |
≤0.005 |
0.01 |
|
Chloride (Cl) |
≤0.0005 |
0.001 |
|
Sulfur compounds (SO4) |
≤0.005 |
0.01 |
|
Nitrate (NO3) |
≤0.001 |
0.00 |
|
Fe |
≤0.001 |
0.003 |
|
As |
≤0.0005 |
0.002 |
|
Heavy metals (as Pb) |
≤0.0005 |
0.001 |