摘要
目的:比较两种超声发生器对化学反应的促进作用。方法:首先用碘释放测量法进行实验,分别用气哨式流体动力式超声发生器和槽式超声清洗仪处理碘化钾溶液,采用分光光度法测定碘化钾溶液的吸光度。随后分别用流体动力式超声与槽式超声提取黄芩,采用高效液相色谱法测定黄芩苷含量。结果:经流体动力式超声发生器和槽式超声清洗仪处理的碘化钾溶液的吸光度分别为0.990和0.498。以水为溶剂用流体动力式超声提取黄芩,黄芩苷含量显著高于槽式超声。结论:流体动力式发生器(每升能耗0.0156kwh)的空化效应高于槽式超声清洗仪(每升能耗0.0148kwh)。
Objective：To compare the enhancing effect on chemical reaction of two different ultrasonic generators. Method： Iodine release method was used to study the state of cavitation, generated by a hydrodynamic acoustic generator and an ultrasonic cleaning machine. Baicalin was extracted from Radix Scutellariae by the hydrodynamic acoustic generator and the ultrasonic cleaner, respectively. The concentration of baicalin was determined by HPLC. Results： The absorbance value of KI solution, treated by hydrodynamic acoustic generator, was 0.990, while the absorbance treated by the ultrasonic cleaner was 0. 498. The extraction percentage of baicalin from Radix Scutellariae using water as extracting solvent by hydrodynamic acoustic generator is much higher than that by the ultrasonic cleaner.Conclusion： Compared with the ultrasonic cleaner, the ultrasonic cavitation produced by the hydrodynamic acoustic generator showed higher strength. The energy consumption of hydrodynamic acoustic generator was 0. 0156 kwh per litter, while the other one was 0.0148 kwh per litter.
出处
《应用声学》
CSCD
北大核心
2009年第2期125-128,共4页
Journal of Applied Acoustics
基金
国家自然科学基金项目(30672605)
关键词
流体动力式超声
空化效应
碘释放法
黄芩苷
Hydrodynamic acoustic generator, Cavitation, Iodine release method, Baicalin extraction
作者简介
王地（1958-），女，北京人，教授，研究方向：中药药剂学。通信联系人E-mail：wangdi20022008@tom．com
关怀（1964-），男，硕士，副教授。
高楠（1985-），女，本科毕业实习生。
于萍（1982-），女，助理实验师。
邹海艳（1974-），女，硕士。
