DMA-80 直接测汞仪测定四种中药中汞含量

DMA-80 Direct determination of mercury content in four different traditional Chinese medicines

中文关键词:  DMA-80 直接测汞仪  中药  汞含量

英文关键词:DMA-80 direct mercury analyzer  traditional Chinese medicine  mercury content

中文摘要:

      目的 用DMA-80直接测汞仪对山楂、 金银花、 白芍、 中槐提取物四种中药的汞含量进行测定。 方法 利 用DMA-80直接测汞仪对四种中药的汞含量进行测定, 样品无需做离线的湿化消解或复杂前处理, 可全自动直接 进样。结果 样品回收率在90.1%~103.4%之间, RSD为2.0%~3.0%。结论 该方法无需前处理, 简便快捷, 可得 到满意的测定结果, 适用于中药中汞含量的测定。

英文摘要:

      Objective To determine mercury content in hawthorn, honeysuckle, Radix Peonies Alba and Sephora japonica extracts four kinds of traditional Chinese medicine by DMA-80 direct mercury analyzer. Methods DMA-80 direct mercury analyzer was used to determine mercury content in four kinds of traditional Chinese medicine, samples could be automatic direct injected without offline wet digestion or complex pre-processing. Results The additive recoveries of samples were 90.1%~103.4%, RSD were 2.0%~3.0%. Conclusion This method does not require pretreatment, it is simple, quick and can get the satisfied results. It can be used to determine mercury content in traditional Chinese medicine.