Use of Magnesium Fluoride
Used in the manufacture of ceramics, glass; the flux of themetallurgy of magnesium metal; coating of optical instruments,lenses and filters; the fluorescent material of the cathode ray screen;flux.
Preparation or sources
Mainly from the fluoride in the mineral periclase.
Laboratory, magnesium carbonate water transfer paste, graduallypour the reaction dilute half of hydrofluoric acid, the precipitate at400 ° C drying derived.
Toxicity and protective
Magnesium Fluoride is toxic, the operator should wear the necessaryprotective equipment, poisoning, you should drink a lot of egg whiteand hospital.
Chemical properties of Magnesium Fluoride
Less active MgF2 chemical properties of ionic crystals, do not react with strong oxidizers, nitric acid can be dissolved:
Of MgF2 +2 HNO3 == of Mg (NO3) 2 +2 HF
Used in the manufacture of ceramics, glass; the flux of themetallurgy of magnesium metal; coating of optical instruments,lenses and filters; the fluorescent material of the cathode ray screen;flux.
Preparation or sources
Mainly from the fluoride in the mineral periclase.
Laboratory, magnesium carbonate water transfer paste, graduallypour the reaction dilute half of hydrofluoric acid, the precipitate at400 ° C drying derived.
Toxicity and protective
Magnesium Fluoride is toxic, the operator should wear the necessaryprotective equipment, poisoning, you should drink a lot of egg whiteand hospital.
Chemical properties of Magnesium Fluoride
Less active MgF2 chemical properties of ionic crystals, do not react with strong oxidizers, nitric acid can be dissolved:
Of MgF2 +2 HNO3 == of Mg (NO3) 2 +2 HF
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From: Fluorides
