Sodium fluoride
- Số CAS
- 7681-49-4
- Khối lượng phân tử
- 41.99
- Công thức phân tử / ký hiệu hóa học
- FNa
Mô tả
Colorless cubic or four square crystal.
Sensitive to wet. Not soluble in alcohol. Part of the solution is basic
hydrolysis reaction.
ỨNG DỤNG
For wood preservative, medicine
preservative, welding fusing agent and paper industry, this company produces the
product is toothpaste specific level; Also may make the sparsity of drinking
water, Leather industry raw hide and skin treatment; Light metal smelting
scouring and cover; Cement anticorrosive; And rising steel manufacturing.
Keywords:Functional chemicals
Phiếu kiểm nghiệm
|
Product name |
sodium fluoride |
CAS：7681-49-4 |
|
Apearance |
Colorless cubic or four square crystal. Sensitive to wet. |
|
|
Test items |
estimated value |
|
|
|
analytically pure |
|
|
NaF |
≥99.0 |
|
|
clarity test |
qualified |
|
|
water insoluble |
≤0.01 |
|
|
Free acid (HF meter) |
≤0.05 |
|
|
Free base (Na2CO3) |
≤0.05 |
|
|
(Cl) |
≤0.002 |
|
|
Fluorosilicate (in SiO3 meter) |
≤0.05 |
|
|
(Fe) |
≤0.002 |
|
|
Heavy metal (Pb meter) |
≤0.001 |
|
|
(K) |
≤0.01 |
|
|
(Fe) |
≤0.002 |
|
|
(Cu) |
≤0.005 |
|