引用本文:
郑建斌, 于浩, 张宏芳. 二次微分简易示波伏安法用于青霉素V钾的间接测定[J]. 应用化学,
2001, 18(10): 851-852.
Citation: ZHENG Jian-Bin, YU Hao, ZHANG Hong-Fang. Indirect Determination of Phenoxymethylpenicillin Potassium by Second Order Differential Simple Oscillographic Voltammetry[J]. Chinese Journal of Applied Chemistry, 2001, 18(10): 851-852.
Citation: ZHENG Jian-Bin, YU Hao, ZHANG Hong-Fang. Indirect Determination of Phenoxymethylpenicillin Potassium by Second Order Differential Simple Oscillographic Voltammetry[J]. Chinese Journal of Applied Chemistry, 2001, 18(10): 851-852.
二次微分简易示波伏安法用于青霉素V钾的间接测定
English
Indirect Determination of Phenoxymethylpenicillin Potassium by Second Order Differential Simple Oscillographic Voltammetry
Abstract:
The content of phenoxymethylpenicillin potassium in phenoxymethylpenicillin potassium tablet was determined indirectly with second order differential simple oscillographic voltammetry. The linear concentration range and the detection limit is 2.6×10-6~3.5×10-5mol/L and 1×10-6 mol/L, respectively. The regressive equation is h(V)=1.169-1.129×104c(mol/L), (r=-0.999 8). The RSD of the determination for 1.8×10-5 mol/L phenoxymethylpenicillin potassium is 3.2%, and the recovery is 102.2%(n=8). This method has the advantages of convenient, rapid and without special pretreatment of the sample.
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