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- W882686008 abstract "In (CH2)6N4-HCl (pH5.6)-NaNO2 buffer solution, zinc (Ⅱ)-2-(5-bromo-2-pyridylazo)-5-diethylphenol complex causes sensitive polar graphic wave at the potential of -0.448mV (vs. SCE). The 2nd-order derivative peak current is liner with zinc (Ⅱ) concentration in the rang of 6.8×10^(-9)-1.69×10^(-7)mol/L (r=0.9989, n=10), with detection limit of 0.001mg/L. The recovery is between 95.1%-104.9%. Several electrochemical methods were used to study the properties of the wave. It is proved to be an adsorptive wave of the zinc complex, which electrode process is an irreversible reduced. The interference of diverse ions on the peak current was investigated. The proposed method has been applied to determine trace zinc in jujube with satisfactory result." @default.
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- W882686008 date "2010-11-25" @default.
- W882686008 modified "2023-09-28" @default.
- W882686008 title "锌(II)-2-（5-溴－2-吡啶偶氮）－5-二乙氨基酚－亚硝酸钠体系的极谱吸附波" @default.
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