Magnesium fluoride Fertilizer is a colorless tetragonal crystal or powder, odorless, insoluble in water and alcohol, used as a flux when smelting metal magnesium, aluminum additives, optical lens coatings, titanium pigments painted agents, cathode ray fluorescent screen material.
Description
Magnesium Fluoride Fertilizer
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Magnesium fluoride, Chemical formula: MgF2
Magnesium fluoride is a colorless tetragonal crystal or powder, odorless, insoluble in water and alcohol, slightly soluble in dilute acid, and dissolved in nitric acid. Under electro-optic heating, it appears weakly fluorescent purple, crystal has a good polarization effect, especially suitable for ultraviolet and infrared spectra. Toxic.
Magnesium fluoride is used as a flux when smelting metal magnesium, aluminum additives, optical lens coatings, titanium pigments painted agents, and cathode ray fluorescent screen material.
Also used in the manufacture of ceramics, glass; flux in metallurgy magnesium metal; optical instruments and lenses filter coating; cathode ray fluorescent screen material; flux, and so on.
Magnesium Fluoride national standards
| Card No. | Chemical composition (mass fraction)/% | ||||||
| F | Mg | Ca | SiO2 | Fe2O3 | SO2-4 | H2O | |
| ≥ | ≤ | ||||||
| MF-1 | 60 | 38 | 0.3 | 0.20 | 0.3 | 0.6 | 0.2 |
| MF-2 | 45 | 28 | _ | 0.9 | 1.1 | 1.3 | 1.0 |
| Note 1: According to GB / T1250-1989 the provisions of Article 5-2, to make a comparison between measured values or calculated values and the limit values specified in the table
Note 2: As for special requirements in the table from the demand side, they will be reached an agreement by both parties and indicated in the contract Implementation of standards YS/T691-2009 |
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