Potassium fluorosilicate
- Số CAS
- 16871-90-2
- Khối lượng phân tử
- 220.26
- Công thức phân tử / ký hiệu hóa học
- K2SiF6
Mô tả
White crystal or crystalline powder. Odorless. No smell. Acidic. Soluble in hydrochloric acid, hygroscopic, slightly soluble in water, not soluble in alcohol. Stimulating.
ỨNG DỤNG
Analytical reagent. Used for wood
preservation, ceramic manufacturing, aluminum and magnesium smelting, and
potassium, such as glass, optical glass system.
Kewywords:Surface treatment chemicals
Phiếu kiểm nghiệm
|
Product name |
potassium fluosilicate |
CAS:16871-90-2 |
|
|
Apearance |
White crystal or crystalline powder. |
||
|
Test items |
estimated value |
||
|
|
analytically pure |
chemically pure |
|
|
K2SiF6) |
≥ 99.0 |
97.0 |
|
|
Free acid (in H2SiF6 meter) |
≤ 0.25 |
0.5 |
|
|
(Cl) |
≤ 0.005 |
0.02 |
|
|
(SO4) |
≤ 0.01 |
0.02 |
|
|
(CO3) |
≤ 0.01 |
-- |
|
|
(Fe) |
≤ 0.005 |
0.01 |
|
|
Heavy metal (Pb meter) |
≤ 0.005 |
0.01 |
|