Lithium fluoride ( LiF )
1) use:
As the infrared and ultraviolet window, lens or prism, used in X ray spectroscopy.
2) the main physical properties:
1, the refractive index: nD=1.394, n (5 μ=1.394)
2, melting point:884 ° C
3,2.64g/cm3, density
4, Mohs hardness: Level 3
5, the cleavage plane: [100]
6:0.27g/100gH2O, solubility
7, the coefficient of thermal expansion:3.195 × 10-5/° C
8:0.0249c/g.° C.cm.s., thermal conductivity
9: nf-nc=0.00393, dispersion
10, the transmission range:0.11-6.5 μM