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Add: Fine Chemical Industry Zone, Industrial Park, Qianshan County, Shangrao City, Jiangxi, China
Contact Person:
Wu Jun: +86-13576481888;
Peng Jidong: +86-13576309314 (Anhydrous hydrofluoric acid);
Chen Xiao: +86-13325996862 (Ammonium bifluoride, Ammonium fluoride);
Jin Yucheng: +86-13879335766 (Ammonium bifluoride, Ammonium fluoride);
Wang Yaoting +86-13657031116 (International trade)
Fax: +86-793-5436178
P.C.: 334500
E-mail: sales@dypharm.com
URL: http://www.94545.cn

Detail

Reagent grade hydrofluoric acid

Detail

Reagent grade hydrofluoric acid

Molecular formula:

HF

Molecular weight:

20.01

Properties:

Aqueous solution of hydrogen fluoride. It is colorless free running liquid and it is strongly corrosive in the air. It is corrosive to glass, thus should be kept in lead, wax or plastic containers.

Uses:

In etching glass and pickling metal.

Standard: Industrial grade adopts GB7744-87 technical standard

Name \ Index	F40	F55	F60
Hydrogen fluoride %≥	40	55	60
Fluosilicic acid %≤	0.2	0.4	0.5
Non-volatile acid %≤	0.05	0.08	0.1

Reagent grade implements GB620-77 technical standard

Name \ Index	Analytically pure	Chemical pure
Ignition residue (%)	0.005	0.01
Chlorine (%)	0.002	0.005
Sulfate	0.002	0.005
Sulfite (%)	0.002	0.002
Phosphate (%)	0.0002	0.0005
Fluosilicate	0.04	0.06
Iron (%)	0.0001	0.0005
Heavy metal (%)	0.0005	0.001
Content (%)	40	40

Packing:

25kg plastic drum.

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Reagent grade hydrofluoric acid

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