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- [22] POLAROGRAPHIC DETERMINATION OF IRON AND ZINC IN PHOSPHATE COATINGS INDUSTRIAL AND ENGINEERING CHEMISTRY-ANALYTICAL EDITION, 1945, 17 (07): : 444 - 446
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- [25] A SIMULTANEOUS POLAROGRAPHIC DETERMINATION OF CADMIUM AND ZINC IN COPPER CONCENTRATES CHEMICKE LISTY, 1966, 60 (09): : 1227 - +
- [26] POLAROGRAPHIC DETERMINATION OF COPPER, LEAD, TIN AND ZINC IN FOODSTUFFS JOURNAL OF THE POLAROGRAPHIC SOCIETY, 1961, 7 (01): : 10 - &
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