The glassy carbon electrode was modified with chitosan by using the method of covalent-band reaction, and the anodicstrippingvoltammetric behavior of NO_2 ~ -at this modified electrode was examined.
用共价键合法把壳聚糖修饰在玻碳电极表面，研究了NO_2 ~ -在修饰电极上的阳极溶出伏安特性。
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METHOD:Solubility mercury was measured by anodicstrippingvoltammetric (ASV) method.