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- [22] SOLVENT SELECTION IN LIQUID-LIQUID-EXTRACTION FETTE SEIFEN ANSTRICHMITTEL, 1983, 85 (11): : 432 - 432
- [24] PRECONCENTRATION IN MULTISTAGE LIQUID-LIQUID-EXTRACTION JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY-ARTICLES, 1989, 131 (02): : 271 - 279
- [28] SEPARATION OF PRECIOUS METALS BY LIQUID-LIQUID-EXTRACTION ZEITSCHRIFT FUR CHEMIE, 1983, 23 (02): : 71 - 71