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Voltammetric Determination of Norfloxacin Using Mixed Binder-modified Carbon Paste Electrode
Author(s): ZHU Mingfang, SONG Fenyun, WU Fuhai, ZENG Yongsheng, ZENG Changqing, HUANG Qinghua, LIAO Yuejing
Pages: 98-
100
Year: 2003
Issue:
4
Journal: JOURNAL OF INSTRUMENTAL ANALYSIS
Keyword: 诺氟沙星; 碳糊电极; 伏安法;
Abstract: 在 pH 10.50的磷酸盐缓冲溶液中, 当含有 0.8 mmol/L的 NH4Cl, 8 mg/L的 SLS(十二烷基磺酸钠 )时,诺氟沙星在由 69.1%( w)的石墨粉、 24.5%( w)的液体石蜡和 6.4%( w)的甘油组成的混合粘合剂碳糊电极上产生一灵敏的阴极溶出还原峰, 峰电位为 - 1.61 V; 峰电流与诺氟沙星浓度在 8.0× 10- 9~ 4.0× 10- 7 mol/L范围内呈良好的线性关系, 相关系数为 r=0.994 9, 检出限为 3.0× 10- 9 mol/L; 该法用于测定诺氟沙星胶囊含量, 结果令人满意.
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