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氟化锂颗粒(LiF)essential information | |
Molecular formula | LiF |
purity | 99.99% |
CAS No | 7789-24-4 |
Molar mass | 25.939 |
density | 2.64 g/cm³ |
melting point | 845 ℃ |
boiling point | 1681 ℃ |
Solubility (water) | 微溶于水,不溶于醇,溶于酸 |
碱金属卤化物,室温下为白色粉末,在10-2Pa真空时的蒸发温度为1180℃,可用镍、钼、钽、钨舟加热进行蒸发,也可用Al2O3坩埚加热蒸发,用电子束加热蒸发效果较好.LiF在紫外光区透明度较高,透明区为110nm~7μm,其在550nm处的折射率值为1.36~1.37.LiF薄膜的折射率值随时间而变化,并且随膜厚的增加具有不均匀性.LiF薄膜的机械性能差,有吸湿性.
氟化锂颗粒(LiF)Product application |
OLED行业用,光学行业用