Magnesium Tungstate

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Chinese Name：钨酸镁

Chemical Formula：MgWO4

Molecular Weight：272.14

Density：6.89g/cm3

CAS Number：13573-11-0

Property

Magnesium tungstate can not be soluble in water and ethanol but acid. It is self-activated fluorescent material, it issues 253.7nm blue-white fluorescence under UV excitation, emission spectrum peak wavelength 480nm, half the width of 140nm, color coordinates x = 0.236, y = 0.301, 96% quantum number, stimulate reflection rate of 0.092, monochromatic luminous efficiency about 57.41m / W.

Application

Magnesium tungstate can be used to produce X-ray fluorescent screen, luminous paint and fluorenscent powder.

Producing Method

1. Magnesium tungstate can be calcinated under 1000 degree celsius by tungsten trioxide and magnesium oxide under content ratio 1:1.4.

2. Magnesium tungstate can also be obtained decomposition of alkali metal tungstate solution to produce WO3 and then molten reaction with carbonyl compound or metallic oxide.

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