Process for decontaminating materials contaminated by radioactiv

Details Process for decontaminating materials contaminated by radioactiv Process for decontaminating materials contaminated by radioactiv

1986-04-03

1987-09-01

Terapane, John F.

Compositions

Radioactive compositions

376310, 134 3, G21F 900, C23G 102

Patent

active

046907823

ABSTRACT:
The process according to the present invention mainly consists in successively bringing the surface of the contaminated materials into contact with a solution of sodium carbonate for some time, bringing the surface of the contaminated materials into contact with a solution of diluted nitric acid, while potassium permanganate is being added, bringing the contaminated materials into contact with a solution of oxalic acid (COOH--COOH.2H.sub.2 O), and finally rinsing and drying said materials.

REFERENCES:
patent: 3496017 (1970-02-01), Weed
patent: 3615817 (1971-10-01), Jordan
patent: 3778309 (1973-12-01), Jackson
patent: 4481040 (1984-11-01), Brookes et al.

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