Dilute solution of a hydride in liquid nitrogen

Details Dilute solution of a hydride in liquid nitrogen Dilute solution of a hydride in liquid nitrogen

1994-03-03

1996-08-06

Langel, Wayne

Chemistry of inorganic compounds

Boron or compound thereof

Binary compound

423299, 423347, 423645, C01B 600, C01B 610, C01B 2500, C01B 3304

Patent

active

055431275

ABSTRACT:
A solution of hydride in liquid nitrogen, the hydride being one that is in gaseous phase at atmospheric pressure and ambient temperature. The concentration of hydride in the liquid nitrogen is comprised between 0.05 and 10 mol %, preferably between 0.05 and 2 mol %, and more preferably between 0.1 and 0.3 mol %. The hydride is selected from the group consisting of arsine, germane, phosphine (PH.sub.3), diborane and silane (SiH.sub.4) and is preferably silane. Atmospheres prepared from these solutions are useful in the thermal treatment of metals, or for surface treatment, particularly of polymeric or metallic surfaces.

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