Purification of hydroxylamine

Details Purification of hydroxylamine Purification of hydroxylamine

1997-07-16

1998-08-04

Langel, Wayne

Chemistry of inorganic compounds

Nitrogen or compound thereof

Oxygen containing

210685, C01B 2120

Patent

active

057889465

ABSTRACT:
The invention provides a method for purification of hydroxylamine so as to have a substantial reduction of cations and anions. The method involves passing a solution of hydroxylamine through at least one strong acid ion exchange bed which has been pretreated with dilute hydrochloric acid and then through at least one strong base anion exchange resin bed.

REFERENCES:
patent: 4147623 (1979-04-01), Koff et al.
patent: 4166842 (1979-09-01), Tunick et al.
patent: 4202765 (1980-05-01), Koff et al.
patent: 4725360 (1988-02-01), Fuchs et al.
patent: 5318762 (1994-06-01), Cawlfield et al.

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