Lithium metasilicate explained

Lithium metasilicate is an ionic compound with the formula Li₂SiO₃

Preparation

Lithium metasilicate is prepared by the reaction of lithium carbonate and silicon dioxide at temperatures between 515 and 565 °C.^[1]

Applications

The melting of lithium metasilicate is used for the calibration of thermocouples.^[2]

Notes and References

1. Tang . Tao . Zhang . Zhi . Meng . Jian-Bo . Luo . De-Li . Synthesis and characterization of lithium silicate powders . . December 2009 . 84 . 12 . 2124–2130 . 10.1016/j.fusengdes.2009.02.017.
2. Diopside, lithium metasilicate, and the 1968 temperature scale . Mineralogical Magazine . June 1972 . 38 . 768–770. 10.1180/minmag.1972.038.298.16 . 1972MinM...38..768B . Biggar . Gordon M. . 298 . 129422457 .