平贝母等3种中药材铅镉砷汞含量的研究-应用化学-吉林农业大学.pdfVIP

DOI :10.13327/j.jjlau.2001.02.015 吉林农业大学学报　2001, 23(2):53～56 Journal of J ilin Agricultural University 3、、、 1 1 1 2 2 2 于连贵 , 李雪花 , 高　山 , 刘墨祥 , 李月茹 , 段玉清 (1.长春市环境监测中心站, 吉林长春130022;2.吉林农业大学中药材学院, 吉林长春130118) 　:对中药材平贝母的铅、镉、砷、汞含量测 的方法进行了研究。 样品经HNO -HClO 或H O 进行 3 4 2 2 消解, 用原子吸收和原子荧光进行检测。 回收率:92.0%～ 99.7%;精密度:2.3%～ 4.1%。 并用该方法对全 国主产区的平贝母、百合和两头尖样品的铅、镉、砷、汞的含量进行了测 。 结果表明:这3 种中药材均含铅、 镉、砷、汞, 但参考粮食和蔬菜的国家标准未超标。 :原子吸收;原子荧光;平贝母;百合;两头尖 :R284.1　　　:A　　　:1000-5684(2001)02-0053-04 Contents of Pd, Cd, As and Hg in Fritillaria ussuriensis Maximand Other Two Kinds of Chinese Medicinal Materials 1 1 1 2 2 2 YU Lian-gui , LI Xue-hua , GAO Shan , LIU o-xiang , LI Yue-ru , DUAN Yu-qing (1.Changchun Central S tation of Env ironment Monitoring, Jilin Changchun 130022, China ; 2.College of Chinese Medicinal Material, Jilin Agricultural University , J ilin Changchun 130118, China ) Abstract:Contents of Pd, Cd, As and Hg in Fritillaria ussuriensis axim of Chinese edicinal aterialswere digestedwith nitricacid, perchloric acid and hydrogen peroxide, and detected by atomic absorption spectrophomerand atomic fluorescence spectrometer.The recovery was 92%～ 99.7%.The accuracy was 2.3%～4.1%.The method was applied to the detection of heavy metals in Fritillaria ussuriensis axim, L ilium buownii F.E.Brown var.Viridul um Baker and A nemone raddeana Regel sampled from the main production areas all over China.But the amount did not exceed the standard of heavy metal RL in meal andvegetable set in GB2715- 81-1995.