Determination of Trace Chromium in Gelatin Vacant Capsules by Microwave Digestion-AAS Method

DUAN Feng; LIANG Guo-pin; ZHANG Mei-qing; LIU Zhi-yong; LUO Ming; WU Shi-bao

doi:10.13422/j.cnki.syfjx.2013.05.046

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Determination of Trace Chromium in Gelatin Vacant Capsules by Microwave Digestion-AAS Method

更新时间：2024-09-23

- Determination of Trace Chromium in Gelatin Vacant Capsules by Microwave Digestion-AAS Method
- Chinese Journal of Experimental Traditional Medical Formulae Vol. 19, Issue 5, Pages: 73-75(2013)
- 作者机构：
  
  吉安市食品药品检验所
- 作者简介：
- 基金信息：
- DOI：10.13422/j.cnki.syfjx.2013.05.046
  CLC： R286
- Published：2013
- 稿件说明：
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[1]段锋,梁国嫔,张梅卿,刘志勇,罗鸣,吴拾保.微波消解-AAS法测定明胶空心胶囊中痕量铬[J].中国实验方剂学杂志,2013,19(05):73-75.

DUAN Feng, LIANG Guo-pin, ZHANG Mei-qing, et al. Determination of Trace Chromium in Gelatin Vacant Capsules by Microwave Digestion-AAS Method[J]. Chinese journal of experimental traditional medical formulae, 2013, 19(5): 73-75.
[1]段锋,梁国嫔,张梅卿,刘志勇,罗鸣,吴拾保.微波消解-AAS法测定明胶空心胶囊中痕量铬[J].中国实验方剂学杂志,2013,19(05):73-75. DOI： 10.13422/j.cnki.syfjx.2013.05.046.

DUAN Feng, LIANG Guo-pin, ZHANG Mei-qing, et al. Determination of Trace Chromium in Gelatin Vacant Capsules by Microwave Digestion-AAS Method[J]. Chinese journal of experimental traditional medical formulae, 2013, 19(5): 73-75. DOI： 10.13422/j.cnki.syfjx.2013.05.046.

摘要

目的:完善明胶空心胶囊中痕量铬的含量测定方法。方法:采用微波消解-原子吸收分光光度法

通过微波消解仪对样品进行消解

利用原子吸收分光光度的石墨炉程序加热法测定明胶空心胶囊中痕量铬的含量。结果:回归方程Y=4.767×10-4X（r=0.999 8）

线性范围0～50μg.L-1。低、中、高3个质量浓度样品的平均加样回收率分别为92.2%

96.8%

100.7%;RSD依次为1.8%

1.6%

1.3%。精密度RSD 1.1%

重复性RSD 1.2%

均符合要求。结论:方法操作简易

样品消解完全

整体分析速度快

结果准确可靠

适用于明胶空心胶囊中痕量铬的含量测定。

Abstract

Objective:To improve the method for determining the content of trace chromium in gelatin vacant capsules.Method:Microwave digestion-atomic absorption spectrophometry was adopted

samples were digested by microwave digestion instrument

the content of trace chromium in gelatin vacant capsules was determined by graphite furnace program heating method of atomic absorption spectrophotometry.Result:The regression equation was Y=4.767×10-4X（r=0.999 8） with the linear range of 0-50 μg·L-1.The average recovery of the low

medium and high mass concentration samples were 92.2%（RSD 1.8%）

96.8%（RSD 1.6%）

100.7%（RSD 1.3%）

RSD of the precision was 1.1%

RSD of the repeatability was 1.2%

which were in full compliance with the requirements.Conclusion:This method was simple

accurate

reliable and rapid with digesting completely

which was suitable for determining the content of trace chromium in gelatin vacant capsules.

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Related Institution

The Third Affiliated Hospital of Luohe Medical College

National Plarmaceutical Engineering Cenrer for Preparation in Chinese Herbal Medicine

Jiangxi University of Traditional Chinese Medicine

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