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Title: Magnetite prepn. by oxidn. of cast iron chips in ammonium nitrate aq. soln. and hydrochloric acid
Other Titles: Procedeu pentru obtinerea magnetitei
Authors: Teodorescu, Lavinia
Iliescu, Mircea
Alexandres, C.
Alexandres, A.
Keywords: Magnetite
Issue Date: 30-Jan-1984
The process comprises oxidn. of cast iron chips in aq. soln. of ammonium nitrate, 5-15 g/l. The reaction is carried out in the presence of 2-4 g/l hydrochloric acid or 3-5 g/l of ferric chloride. The reaction, at 85-100
degrees C, takes 2-5 hours.
Patent Assignee Name(s) and Code(s): INST EPURAREA APELO
Appears in Collections:Patents

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