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Jean Roger

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Featured researches published by Jean Roger.

Archive | 1969

PROCESS FOR TREATMENT OF MATTES AND SULPHURATED NICKEL CONCENTRATES

Gandon Louis; Jean Roger; Lenoble Philippe

Archive | 1981

PURIFYNG PROCEDURE FROM NICKEL'S SOLUTIONS

Gandon Louis; Jean Roger; Lenoble Philippe

Archive | 1980

PROCESS FOR REMOVING IRON AND COBALT FROM PARTLY REFINED NICKEL MATTE

Michel Francis; Gandon Louis; Fer Pierre; Jean Roger

Archive | 1978

METHOD FOR THE HYDROMETALLURGICAL PROCESSING OF POWDER OR DISPERSED SULPHUR NICKEL CONCENTRATE

Gandon Louis; Jean Roger; Lenoble Philippe

Archive | 1977

PROCESS FOR THE HYDROMETALLURGICAL TREATMENT OF SULFATIZED NICKEL CONCENTRATES

Gandon Louis; Louis Gandon; Jean Roger; Roger Jean; Lenoble Philippe; Philippe Lenoble

Archive | 1977

METHOD OF PURIFICATION OF WATER SOLUTION CONTAINING NICKEL AND AT LEAST ONE IMPURITY OF GROUP INVOLVING COBALT,IRON COPPER,MANGANESE AND ZINC.

Gandon Louis; Jean Roger; Lenoble Philippe

Archive | 1977

PROCESS FOR THE PURIFICATION OF AN AQUEOUS NICKEL SOLUTIO

Luois Gandon; Gandon Luois; Jean Roger; Roger Jean; Philippe Lenoble; Lenoble Philippe

Archive | 1976

HYDROMETALLURGISCHES VERFAHREN ZUR VERARBEITUNG VON POLYMETALLISCHEN OZEANKNOLLEN

Gandon Louis; Jean Roger; Solar Serge

Archive | 1976

Hydrometallurginen menetelmä rikkipitoisten metallirikasteiden käsitte lemiseksi.

Gandon Louis; Jean Roger; Lenoble Philippe

Archive | 1976

Tapa puhdistaa nikkeliliuoksia

Gandon Louis; Jean Roger; Lenoble Philippe

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