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- W2384418714 abstract "In NaH2PO4-Na2HPO4 buffer solution(pH=8.0),cobalt(Ⅱ)-NH2OH·HCl-5-(5-iodine-2-pyridylazo)-2,4-diaminotoluene generated a sensitive complex adsorptive wave at the potential of-1.25V(vs.SCE).Based on which a new method for determination of trace cobalt(Ⅱ) by polarography was established.The first derivative peak current of complex adsorptive wave had the linear relationship with the concentration of cobalt(Ⅱ) in the range of 1—25μg/L with the detection limit of 0.12μg/L.The polarographic property of the system was investigated,and the results showed that the wave was catalyzed sorption wave,and its electrode process was the irreversible process,and the number of electron transfer was 2.The interferences of diverse ions on the peak current IP′ were studied.The method is successfully used to determine trace cobalt in vitamin B12 and nickel ore in south of Shaanxi with satisfactory relusts." @default.
- W2384418714 created "2016-06-24" @default.
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- W2384418714 date "2012-01-01" @default.
- W2384418714 modified "2023-09-25" @default.
- W2384418714 title "Study on Complex Adsorptive Wave of System of Cobalt(II) and 5-(5-Iodine-2-Pyridylazo)-2,4-Diaminotoluene and Its Application" @default.
- W2384418714 hasPublicationYear "2012" @default.
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