Determination of Harmful Elements in Cervi Cornus Colla Based on Microwave Digestion and ICP-AES Technology

SHI Yan; XIAO Xin-yue; WEI Feng; XIONG Jing; MA Shuang-cheng; LIN Rui-chao

doi:10.11653/syfj2013160151

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Determination of Harmful Elements in Cervi Cornus Colla Based on Microwave Digestion and ICP-AES Technology

更新时间：2024-01-04

- Determination of Harmful Elements in Cervi Cornus Colla Based on Microwave Digestion and ICP-AES Technology
- Chinese Journal of Experimental Traditional Medical Formulae Vol. 19, Issue 16, Pages: 151-153(2013)
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- 作者简介：
- 基金信息：
- DOI：10.11653/syfj2013160151
  CLC：
- Published：2013
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SHI Yan, XIAO Xin-yue, WEI Feng, et al. Determination of Harmful Elements in Cervi Cornus Colla Based on Microwave Digestion and ICP-AES Technology[J]. Chinese journal of experimental traditional medical formulae, 2013, 19(16): 151-153.
DOI：

SHI Yan, XIAO Xin-yue, WEI Feng, et al. Determination of Harmful Elements in Cervi Cornus Colla Based on Microwave Digestion and ICP-AES Technology[J]. Chinese journal of experimental traditional medical formulae, 2013, 19(16): 151-153. DOI： 10.11653/syfj2013160151.

摘要

目的: 建立测定鹿角胶中铅、镉、砷、汞、铜和铬元素含量的方法。方法: 采用微波消解和ICP-AES法同时测定11批市售鹿角胶中铅、镉、砷、汞、铜和铬元素的含量。微波消解条件为0~3 min

1 600 W

110℃;3~6 min

1 600 W

150℃;6~16 min

1 600 W

185℃。ICP-AES仪器测定条件为入射功率1.4 kW

冷却气氩气

冷却气流量12 L·min-1

载气流量1 L·min-1

辅助气流量0.8 L·min-1

样品提升量1 mL·min-1。结果: 铅、镉、砷、汞、铜和铬元素检测限分别为0.15

0.01

0.27

0.08

0.03

0.03 mg·kg-1

加样回收率90%~112%

精密度、重复性均符合检测要求。各样品中镉、砷、汞元素均未检出

除F生产的样品中未检测到铅元素外

均检测出铅、铜和铬元素

其中部分样品中铬元素含量较高。结论: 建立的方法准确、快捷

适用于胶类药材中有害元素的测定。

Abstract

Objective: To establish a method for determining the content of Pb

Cu and Cr in Cervi Cornus Colla. Method: Microwave digestion and inductively coupled plasma-atomic wmission spectrometry (ICP-AES) were adopted to determine the content of Pb

Cu and Cr in 11 batches of Cervi Cornus Colla.Microwave digestion conditions were as followings:0-3 min

1 600 W

110℃;3-6 min

1 600 W

150℃;6-16 min

1 600 W

185℃.Determination conditions of ICP-AES were:incident power of 1.4 kW

argon as cooling gas with flow rate of 12 L·min-1

flow rate of carrier gas and auxiliary with 1

0.8 L·min-1

volume of sample enhance 1 mL·min-1. Result: Detection limit of Pb

Cu and Cr were 0.15

0.01

0.27

0.08

0.03

0.03 mg·kg-1

respectively.recoveries was between 90%-112%

precision and repeatability were in line with detection requirments.Cd

As and Hg were not detected in each sample

apart from sample from F was not detected Pb

Cu and Cr were detected in other samples

the content of Cr was high in some samples. Conclusion: This method was accurate

fast and suitable for determination of harmful elements in glue herbs.

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