Method of synthesis of gaseous germane

Details Method of synthesis of gaseous germane Method of synthesis of gaseous germane

1986-01-13

1987-05-26

Carter, H. T.

Chemistry of inorganic compounds

Hydrogen or compound thereof

Binary compound

C01G 1700

Patent

active

046685022

ABSTRACT:
Disclosed is a high yield method for the production of gaseous germane of high purity comprising the steps of: forming an aqueous, alkaline first solution of GeO.sub.2 in alkali metal hydroxide wherein the GeO.sub.2 is present at a molar concentration of less than 0.2 and the ratio of GeO.sub.2 to alkali metal hydroxide is less than 1 to 2; adding an alkalai metal borohydride to the first solution at a mole ratio of BH.sub.4 to GeO.sub.2 of greater than 4:1; reacting the second solution with 1.5 to 3.0 M H.sub.2 SO.sub.4 whereby to form a gaseous product containing GeH.sub.4 ; and recovering GeH.sub.4 from the gaseous product.

REFERENCES:
patent: 3577220 (1971-05-01), Kuratomi et al.
Drake, "Chemical Absts.", vol. 56, 1962, #4345(g).
Drake et al., "Journal of Chemical Soc.", 1962, pp. 2807-2813.
Jolly, "Journal of American Chemical Soc.", vol. 83, 1961, pp. 335-337.

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