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- [23] SPECTROMETRIC AND CATALYTIC DETERMINATION OF TRACES OF COPPER NICKEL AND COBALT ACTA CHIMICA ACADEMIAE SCIENTARIUM HUNGARICAE, 1967, 53 (02): : 121 - &
- [26] SIMULTANEOUS SPECTROPHOTOMETRIC DETERMINATION OF IRON AND COBALT OR IRON AND NICKEL CHEMIA ANALITYCZNA, 1983, 28 (03): : 297 - 300
- [28] INVERSE-VOLTAMMETRY OF SOME COPPER-CHELATES USING A CARBON PASTE ELECTRODE - DETERMINATION OF COPPER IN DRINKING-WATER BY OXIDATION OF COPPER DITHIO-OXAMIDE FRESENIUS ZEITSCHRIFT FUR ANALYTISCHE CHEMIE, 1981, 306 (2-3): : 136 - 143
- [29] SPECTROPHOTOMETRIC DETERMINATION OF TRACES OF NICKEL INDUSTRIAL AND ENGINEERING CHEMISTRY-ANALYTICAL EDITION, 1946, 18 (03): : 206 - 208