Process for preparing a ceric ion-containing aqueous acid soluti

Details Process for preparing a ceric ion-containing aqueous acid soluti Process for preparing a ceric ion-containing aqueous acid soluti

1993-07-22

1995-01-31

Niebling, John

Chemistry: electrical and wave energy

Processes and products

204 78, 204 93, 204130, C07C 5012, C25B 300

Patent

active

053856481

ABSTRACT:
In processes for preparing a ceric ion-containing aqueous acid solution by electrolytically oxidizing cerous ions in a cerous ion-containing aqueous acid solution using a diaphragm-free electrolytic bath having no diaphragm between the anode and the cathode, a process for preparing a ceric ion-containing aqueous acid solution which comprises making at least one heterocyclic compound selected from the group consisting of five-membered heteromonocyclic compounds having substituent(s), six-membered heteromonocyclic compounds having substituent(s) and condensed heteropolycyclic compounds exist in the cerous ion-containing aqueous acid solution.

REFERENCES:
patent: 3486992 (1969-12-01), Frye
patent: 4638038 (1987-07-01), Oehr
patent: 4639298 (1987-01-01), Kreh et al.
patent: 4647349 (1987-03-01), Kreh et al.
patent: 4670108 (1987-06-01), Kreh et al.
patent: 4701245 (1987-10-01), Kreh

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