JPS5265800A
(en )
1977-05-31
Method of treating transition metal compound
JPS53123898A
(en )
1978-10-28
Method of making needleeshaped ferromagnetic iron particles
JPS5651523A
(en )
1981-05-09
Production of electromagnetic steel
JPS5350089A
(en )
1978-05-08
Oxidation process for ferrous salt and use of acidified solution to lixiviating mineral
JPS5632334A
(en )
1981-04-01
Method of separating trivalent iron from chloride aqueous solution
JPS53100197A
(en )
1978-09-01
Method of making acicular cobaltt containing magnetic iron oxide
JPS5428299A
(en )
1979-03-02
Method of making acicular ferric magnetic iron oxide
JPS5415495A
(en )
1979-02-05
Method of treating ore slag
JPS5296996A
(en )
1977-08-15
Treating method of iron metallugy slag
GB2125020B
(en )
1986-05-14
Oxidation of ferrous sulphate to ferric sulphate
JPS5456023A
(en )
1979-05-04
Treating of metal sulfide ore
ZA776983B
(en )
1978-09-27
Process for selective flocculation of hematitic iron ores
JPS5263897A
(en )
1977-05-26
Treating process for residue of water soiuble metallic sulfate
CS194346B1
(en )
1979-12-31
Method of processing ferrous sulphate to precipitated hydroxy compounds of trivalent iron
JPS5210836A
(en )
1977-01-27
Method of treating slide way of cast iron
DE3167795D1
(en )
1985-01-31
Process for the oxidation of ferrous ions to the ferric state in sulfate leach solutions
JPS542204A
(en )
1979-01-09
Recovering method of iron particles
JPS53113799A
(en )
1978-10-04
Method of decomposing salts essentially consisting of iron sulfate
JPS52125497A
(en )
1977-10-21
Recovering process for iron from iron mud containing gypsum and ferros sulfate
JPS5396910A
(en )
1978-08-24
Method of reducing iron ore
JPS5594488A
(en )
1980-07-17
Reduction of ferric ion to ferrous ion in titanium sulfate iron ore extract solution
CS191086B1
(en )
1979-06-29
Method of waste ferrous sulphate processing
JPS53102293A
(en )
1978-09-06
Method of making ferrous nitrate
JPS5456002A
(en )
1979-05-04
Treating of oxidized ore
JPS53118300A
(en )
1978-10-16
Method of making magnetic iron oxides