[Properties] White orthorhombic
crystallization, slight acid, easily deliquescent in the
air, soluble
in water very easily. Its liquor is strong
acid and poisonous, which can erode glass.
[Quality
Standard]
|
Content(NH4HF2)% |
98.0 Min |
|
sulfate % |
0.5 Max |
|
Insoluble matter in water% |
0.1 Max |
[Application] mainly used as glass etching
agents (together with fluohydric acid) in the production
of etched glass. It also can be utilized as a chemical
agent, disinfection and antiseptic agent in fermentation
industry, solvent in making beryllium from beryllia and
the surface treating agent of silicon steel plate. And
more, it's used in ceramic, magnesium alloy, the detergent
in boiler feed water system and steam-generating system,
acidizing of the sandstone in oil well, and the catalyzer
of alkylation isomerization.
[Packing]
the fiber bag with polyethylene film inside (Net
weight:25kg). |
