Tin (II) stabilizer for hydrogen peroxide

Details Tin (II) stabilizer for hydrogen peroxide Tin (II) stabilizer for hydrogen peroxide

1990-08-27

1992-01-07

Langel, Wayne A.

Imperforate bowl: centrifugal separators

Process

423273, 423584, B01D 4300, C01B 1501, C01B 15037

Patent

active

050786725

ABSTRACT:
A method for stabilizing hydrogen peroxide and the stabilized composition are claimed employing as a stabilizer a tin (II) salt of an acid selected from the group hydrofluoric acid, C6 to C17 saturated monocarboxylic acids and C2 to C6 saturated polycarboxylic acids, preferably oxalic acid. The tin content of hydrogen peroxide prepared from a tin (II) oxalate stock solution can be reduced by filtration to less than 1 mg/l if the tin oxalate stock solution has been properly aged.

REFERENCES:
patent: 2004809 (1935-06-01), Gilbert et al.
patent: 2086123 (1937-07-01), Eisenman
patent: 2658818 (1953-11-01), Shanley et al.
patent: 3107151 (1963-10-01), Hauschild
patent: 3429666 (1969-02-01), Morris et al.
patent: 4534945 (1985-08-01), Hopkins et al.
patent: 4812173 (1989-03-01), Tsao et al.
John H. Perry, Chemical Engineers' Handbook, Fourth Edition (1963), McGraw-Hill Book Co., pp. 19-86, 19-87.
Bellinger et al., "Chemical Propellants", Ind. & Eng. Chem., Mar. 1946, pp. 310-320.

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