| 石墨炉原子吸收法测定异亮氨酸中的微量砷 |
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| 引用本文： | 侯小康,毕雪艳,余卫兵. 石墨炉原子吸收法测定异亮氨酸中的微量砷[J]. 齐鲁药事, 2008, 27(5): 272-273 |
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| 作者姓名： | 侯小康 毕雪艳 余卫兵 |
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| 作者单位： | 1. 河北中润制药有限公司,河北石家庄,050046
2. 邯郸市药品检验所,河北邯郸,056001 |
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| 摘 要： | 目的建立石墨炉原子吸收法测定异亮氨酸中的微量砷。方法检测波长为193.7nm,灯电流为12.0mA,狭缝宽度为1.3nm。结果As在1.0000～50.0000μg.L-1范围内线性关系良好,相关系数为0.9994,平均加样回收率为97.01%(RSD=1.0%,n=9)。结论本文的研究有效控制了异亮氨酸的质量,方法简单、结果准确、灵敏度高。
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| 关 键 词： | 异亮氨酸 砷 石墨炉原子吸收法 |
| 文章编号： | 1672-7738(2008)05-0272-02 |
Determination of trace Arsenic in Isoleucine by GFAAS |
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| HOU Xiao-kang,BI Xue-yan,YU Wei-bing. Determination of trace Arsenic in Isoleucine by GFAAS[J]. qilu pharmaceutical affairs, 2008, 27(5): 272-273 |
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| Authors: | HOU Xiao-kang BI Xue-yan YU Wei-bing |
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| Abstract: | OBJECTIVE To establish a GFAAS method for determination of trace Arsenic in Isoleucine.METHODS The determined wavelength was 193.7nm,the electric current of light was 12.0mA,the slit-width was 1.3nm.RESULTS The linear range was 1.0000～50.0000μg·L-1 by GFAAS with a regression coefficient of 0.9994.The average recovery was 97.01%(RSD=1.0%,n=9).CONCLUSION The method was simple,accurate and sensitive.It can be used for quality control of Isoleucine. |
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| Keywords: | Isoleucine As GFAAS |
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