引用本文:
张亚秋. 茚三酮为显色剂分光光度法测定氨苄西林钠[J]. 应用化学,
2012, 29(3): 316-319.
doi:
10.3724/SP.J.1095.2012.00160
Citation: ZHANG Yaqiu. Spectrophotometric Determination of Ampicillin Sodium Using Ninhydrin as Chromogenic Agents[J]. Chinese Journal of Applied Chemistry, 2012, 29(3): 316-319. doi: 10.3724/SP.J.1095.2012.00160
Citation: ZHANG Yaqiu. Spectrophotometric Determination of Ampicillin Sodium Using Ninhydrin as Chromogenic Agents[J]. Chinese Journal of Applied Chemistry, 2012, 29(3): 316-319. doi: 10.3724/SP.J.1095.2012.00160
茚三酮为显色剂分光光度法测定氨苄西林钠
English
Spectrophotometric Determination of Ampicillin Sodium Using Ninhydrin as Chromogenic Agents
Abstract:
The reaction between ampicillin sodium and ninhydrin was investigated by spectrophotometry.A simple and rapid method for the determination of ampicillin sodium has been optimized.The apparent molar absorptivity of complex is 3.72×103 L/(mol·cm) at 564 nm.Beer's law could be followed in the range of 10~90 mg/L of ampicillin sodium with correlation coefficient of 0.998 1.The relative standard deviation is 1.5%(n=6) and the recovery was over 99.0%.
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Key words:
- ampicillin sodium
- / ninhydrin
- / spectrophotometry
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