| 压电频移中和萃取法测定微克量枸橼酸维静宁 |
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| 引用本文： | 聂利华,张小腾,姚守拙. 压电频移中和萃取法测定微克量枸橼酸维静宁[J]. 药学学报, 1990, 25(4): 271-276 |
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| 作者姓名： | 聂利华 张小腾 姚守拙 |
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| 作者单位： | 湖南大学化工系新材料研究所，湖南大学化工系新材料研究所，湖南大学化工系新材料研究所 长沙 410012，长沙 410012，长沙 410012 |
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| 摘 要： | 用涂圈压电石英晶体频移一中和萃取法测定枸橼酸维静宁(咳必清),检出限0.02μg,在0.05～1.6μg范围内呈线性,相关系数0.999,变异系数为2.3%。与经典的中和萃取法相比,本法具有明显的优越性。
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| 关 键 词： | 枸橼酸维静宁(咳必清) 压电检测器 中和萃取法 超微量分析 |
| 收稿时间： | 1988-12-28 |
DETERMINATION OF MICROGRAM-AMOUNT PENTOXYVERINE CITRATE USING A PIEZOELECTRIC DETECTOR AND NEUTRALIZATION-EXTRACTION TECHNIQUE |
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| LH Nie,XT Zhang and SZ Yao. DETERMINATION OF MICROGRAM-AMOUNT PENTOXYVERINE CITRATE USING A PIEZOELECTRIC DETECTOR AND NEUTRALIZATION-EXTRACTION TECHNIQUE[J]. Acta pharmaceutica Sinica, 1990, 25(4): 271-276 |
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| Authors: | LH Nie XT Zhang SZ Yao |
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| Affiliation: | New Material Research Institute, Chemical Engineering Department, Hunan University, Changsha. |
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| Abstract: | A new method for the rapid determination of microgram and submicrogram amounts of pentoxyverine citrate has been suggested using a ring-coated piezoelectric quartz crystal in combination with the neutralization extraction technique. The detection limit is 0.02 microgram. Frequency shift is directly proportional to the pentoxyverine citrate concentration in the range of 0.05-1.6 micrograms, with a correlation coefficient of 0.999 and a coefficient of variation of 2.3%. The new method suggests a number of advantages over the classical neutralization-extraction method. |
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| Keywords: | Pentoxyverine citrate Piezoelectric detector Neutralization extraction method Ultra-micro analysis |
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