Hydrofluoric acid
Hydrofluoric acid
Molecular Formula:HF
Molecular Weight:20.01
Properties:colorless transparent fuming liquid, relative density: 1.128(40%). corrosive to glass and silicate; can react with metal salts, oxides and hydroxide and
generate fluorides. Highly toxic!
Specifications:
Industrial hydrofluoric acid GB7744－1998
Item Name
Details
Best
quality
First quality
Qualifier
HF-40
HF-55
HF-40
HF-55
Hydrogen fluoride %≥
40.0
40.0
55.0
40.0
55.0
Hydrofluosilicic acid %≤
0.02
0.2
0.5
2.5
5.0
Fixed acid(H2SO4) %≤
0.02
0.05
0.08
1.0
2.0
* The HF content range from 40% to 70% upon clients’ request.
Packing: In corrosion-resistant plastic bottle or plastic drum; stored in draughty place, temp.: below 30℃,
relative humidity: 85% below. Avoid dampness, heating or rain; handle with care,
prevent from impact or up-side-down.
Use:Mainly used in the manufacture of inorganic fluorides, metallurgical analysis,
silicon compounds analysis etc.
Specifications:
Anhydrous hydrofluoric acid
Item Name
Details
A
B
C
Hydrofluoric Content ppm ≥
99.99
99.95
99.90
Moisture ppm≤
50
300
600
Fluorsoilicic Acid ppm≤
30
100
200
Sulfur dioxide(SO2) ppm≤
20
70
150
Non-volatile Acid(H2SO4) ppm≤
20
50
200
As ppm ≤
5
10
Packing: ISO Tank/Cylinder
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