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REN Nai-lin, CHEN Yi-fei, HAN Da-xiong. Determination of Amoxicillinum in Content Capsules by Polarography[J]. Analysis and Testing Technology and Instruments, 2004, (1): 50-52.
Citation: REN Nai-lin, CHEN Yi-fei, HAN Da-xiong. Determination of Amoxicillinum in Content Capsules by Polarography[J]. Analysis and Testing Technology and Instruments, 2004, (1): 50-52.
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Determination of Amoxicillinum in Content Capsules by Polarography

    Abstract
  • A new and sensitive polarographic wave caused by Cu(Ⅱ) amoxicillinum complex in 0.2 mol/L NH3·H2O NH4Cl(pH=9.00) medium has been investigated. The polargraphic wave is characterized by an adsorptive reduction wave and the peak potential is about-0.805 V (vs.SCE). The peak height is linear with amoxicillinum concentration over a range of 3.0×10-7 to 8.0×10-5 mol/L,and the detection limit is 2×10-7 mol/L. The method has been developed for the determination of amoxicillinum in capsules.
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