Direct vapor/solid synthesis of mercuric iodide using compounds

Details Direct vapor/solid synthesis of mercuric iodide using compounds Direct vapor/solid synthesis of mercuric iodide using compounds

1989-07-24

1990-10-30

Russel, Jeffrey E.

Chemistry of inorganic compounds

Halogen or compound thereof

Binary compound containing metal

423107, C01G 1304

Patent

active

049667637

ABSTRACT:
A process is disclosed for producing high purity mercuric iodide by passing a gaseous source of a mercuric compound through a particulate bed of a low vapor pressure iodide compound which is maintained at an elevated temperature which is the lower of either: (a) just below the melting or volatilization temperature of the iodide compound (which ever is lower); or (b) just below the volatilization point of the other reaction product formed during the reaction; to cause the mercuric compound to react with the iodide compound to form mercuric iodide which then passes as a vapor out of the bed into a cooler condensation region.

REFERENCES:
patent: 3704875 (1972-12-01), Waltrich
patent: 3849537 (1974-11-01), Allgulin
patent: 3981967 (1976-09-01), Maiwald et al.
patent: 4030964 (1977-06-01), Schieber et al.
patent: 4196173 (1980-04-01), de Jong et al.
patent: 4282057 (1981-08-01), Faile
patent: 4642142 (1987-02-01), Harman
Bailar et al., Comprehensive Inorganic Chemistry, Pergamon Press, 1973, pp. 96-304.

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