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- [1] EXTRACTION STUDIES OF METAL XANTHATES .1. EXTRACTION OF NICKEL WITH ETHYL ACETATE FRESENIUS ZEITSCHRIFT FUR ANALYTISCHE CHEMIE, 1971, 256 (03): : 202 - &
- [6] A SIMPLE EXTRACTION PHOTOMETRIC-DETERMINATION OF COBALT ZEITSCHRIFT FUR CHEMIE, 1983, 23 (10): : 381 - 381
- [7] Extraction-photometric determination of nickel(II) and cobalt(II) with basic dyes ACH-MODELS IN CHEMISTRY, 1999, 136 (04): : 415 - 420
- [8] THE EXTRACTION DETERMINATION OF IRON AND COBALT IN PURE NICKEL INDUSTRIAL LABORATORY, 1959, 25 (06): : 691 - 696