Reagent Hydrofluoric Acid
Q/DWH003-1999
Molecular Formula: HF
Molecular Weight: 20.01
Properties: colorless transparent liquid with strong pungent odor and severe toxicity, can fast corrode silicon materials such as glass, ceramics, enamel and cement products.
Uses: used as laboratory reagent; to produce semiconductor parts in electronic industry.
Quality Index (GB7373-87)
Molecular Weight: 20.01
Properties: colorless transparent liquid with strong pungent odor and severe toxicity, can fast corrode silicon materials such as glass, ceramics, enamel and cement products.
Uses: used as laboratory reagent; to produce semiconductor parts in electronic industry.
Quality Index (GB7373-87)
Item |
Index |
||
G.R |
A.R |
C.P |
|
Hydrogen Fluoride (HF), w/ % ≥ |
40.0 |
40.0 |
40.0 |
Ignition Residue ( Sulfate ), w/ % ≤ |
0.001 |
0.002 |
0.01 |
Chloride Content (Cl), w/ % ≤ |
0.0005 |
0.001 |
0.005 |
Sulfate and Sulfite (SO4), w/ % ≤ |
0.001 |
0.002 |
0.005 |
Phosphate (PO4), w/ % ≤ |
0.0001 |
0.0002 |
0.0005 |
Fluorosilicate (SIF6), w/ % ≤ |
0.02 |
0.04 |
0.06 |
Iron (Fe), w/ % ≤ |
0.00005 |
0.0001 |
0.0005 |
Heavy Metal (Pb), w/ % ≤ |
0.0001 |
0.0005 |
0.001 |