【摘 要】
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The polargraphic behavior of Bi(III)-NOTP complex has been investigated in aqueous solution. It was found thatunder the conditions of pH 3.0 and of 0.02 mol/L N
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The polargraphic behavior of Bi(III)-NOTP complex has been investigated in aqueous solution. It was found thatunder the conditions of pH 3.0 and of 0.02 mol/L NH4Cl, the Bi(III)-NOTP system gives a sensitive second order derivativewave at -0.340 V(vs SCE), which is proved to be an adsorptive complex wave. The composition of the complex isBi(III):NOTP. Furthermore, the peak current is linear to the concentration of Bi(III) in the range from 3.0×10-8 to 5.0×10-6mol/L. Artificial and practical samples have been detected with high sensitivity and receptivity.
The polargraphic behavior of Bi (III) -NOTP complex has been investigated in aqueous solution. It was found that under the conditions of pH 3.0 and of 0.02 mol / L NH4Cl, the Bi (III) -NOTP system gives a sensitive second order derivative wave at -0.340 V (vs SCE), which is proved to be an adsorptive complex wave. The composition of the complex isBi (III): NOTP. Furthermore, the peak current is linear to the concentration of Bi × 10 -8 to 5.0 × 10 -6 mol / L Artificial and practical samples have been detected with high sensitivity and receptivity.
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