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- [42] AUTOMATIC DETERMINATION OF LEAD, ZINC, CADMIUM AND COPPER IN PLANT MATERIALS BY STRIPPING VOLTAMMETRY FRESENIUS ZEITSCHRIFT FUR ANALYTISCHE CHEMIE, 1973, 264 (02): : 165 - 167
- [44] SIMULTANEOUS DETERMINATION OF COPPER, CADMIUM, LEAD AND ZINC IN WATER BY ANODIC STRIPPING POLAROGRAPHY JOURNAL OF ELECTROANALYTICAL CHEMISTRY, 1970, 25 (02): : 299 - &
- [47] RAPID COMPLEXONOMETRIC DETERMINATION OF ZINC, COPPER, LEAD AND IRON FROM A BATCH ZAVODSKAYA LABORATORIYA, 1973, (02): : 149 - 149