US4051057A
(en )
1977-09-27
Solutions for cleaning surfaces of copper and its alloys
KR870009041A
(ko )
1987-10-22
희토류 원소의 분리방법
GB1126200A
(en )
1968-09-05
Recovering palladium values by extraction
GB1497534A
(en )
1978-01-12
Refining of metals
KR890002431A
(ko )
1989-04-10
게르마늄-함유용액으로부터 게르마늄의 회수방법
GB1447575A
(en )
1976-08-25
Process for the recovery of alkali or ammonium citrates
DE205699C
(https= )
Reuss et al.
1965
Chemical reactions of nitrites in acid soils
GB1224307A
(en )
1971-03-10
Sewage treatment
GB1473825A
(en )
1977-05-18
Treatment of solutions containing impure metals
GB1053929A
(https= )
ES447652A1
(es )
1977-10-01
Procedimiento para la produccion de dioxido de titanio.
ATE9986T1
(de )
1984-11-15
Verfahren zur gewinnung brauchbarer produkte aus abfallprodukten der herstellung von aluminiumfluorid.
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(en )
1994-06-07
Process for treating aqueous solutions of hydroxylamine salts containing excess acid
GB1485494A
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1977-09-14
Nitric acid recovery system
JP2011030485A
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2011-02-17
金属イオンを使用するピロロキノリンキノン類の製造方法
YAMADA et al.
1986
Comparison of benzoic acid with decanoic acid as an extracting agent
GB1128104A
(en )
1968-09-25
A process for the production of concentrated phosphoric acid
GB1456682A
(en )
1976-11-24
Phosphoric acid purification
KR840007864A
(ko )
1984-12-11
오르토-벤조일벤조산, 플루오르화수소 및 삼플루오르화붕소의 착물분해 방법
ES2020138A6
(es )
1991-07-16
Procedimiento de eliminacion de cadmio del acido fosforico.
ES280225A1
(es )
1962-11-01
Procedimiento de purificaciën de caprolactama cruda
DE3769245D1
(de )
1991-05-16
Verfahren zur phlegmatisierung von wasserunloeslichen peroxycarbonsaeuren.
SU1603552A1
(ru )
1994-07-30
Способ переработки жидких радиоактивных отходов
SU1397525A1
(ru )
1988-05-23
Способ извлечени кобальта из водных растворов