Ammonium hydrogen fluoride
- Số CAS
- 1341-49-7
- Khối lượng phân tử
- 57.04
- Công thức phân tử / ký hiệu hóa học
- NH4HF2
Mô tả
Apearances: White or
colorless transparent orthorhombic crystals, slightly sour. Toxic! Luedaisuanwei.
In the air easily deliquescence, is relatively stable in the dry state. Soluble
in water and alcohol, hydrogenated hydrogen ammonium toxic, corrosive to the
skin.
ỨNG DỤNG
Analytical reagent.For ceramics and glass surfaces
carve. Utensils disinfection.
Preparation of hydrogen fluoride in the
laboratory. Plating.
Keywords:Functional Chemicals
Phiếu kiểm nghiệm
|
TEST ITEMS |
TEST RESULT |
|
|
NH4HF2 |
Analytical grade |
Chemically pure |
|
≥ 98.5 |
97.00 |
|
|
Residue on ignition (as sulphate) |
≤ 0.01 |
0.05 |
|
Chloride (Cl) |
≤ 0.001 |
0.005 |
|
Sulfate (SO4) |
≤ 0.005 |
0.01 |
|
Fluorosilicates (SiF6) |
≤ 0.2 |
0.5 |
|
Fe |
≤ 0.001 |
0.005 |
|
Heavy metals (as Pb) |
≤ 0.002 |
0.005 |