silicon tetrafluoride


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silicon tetrafluoride

[′sil·ə·kən ¦te·trə′flu̇r‚īd]
(inorganic chemistry)
SiF4 A colorless, suffocating gas absorbed readily by water, in which it decomposes; boiling point, -86°C; used in chemical analysis and to make fluosilicic acid. Also known as silicon fluoride.
References in periodicals archive ?
The subsequent cleaning of the highly explosive gaseous silicon tetrafluoride (28SiF4) and its conversion to silane (28SiH4), and subsequently to polycrystalline silicon was pioneering work which took place at the Institute of Chemistry of High-Purity Substances of the Russian Academy of Sciences in Nizhny Novgorod.
Love was able to detect a steady rise in the concentration of silicon tetrafluoride gas emitted by the volcano just prior to eruptions in 1997, even from sites u]) to 17 km away.
Now all five ion implantation gases including Arsine, Phosphine, Boron Trifluoride and Silicon Tetrafluoride are available as Safe Delivery Source products from Matheson EPG.
In the dihydrate phosphoric acid process, fluorine is evolved as a silicon tetrafluoride gas.

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