何健飞, 赖婧, 董明. 石墨炉原子吸收光谱法测定尿中铝的方法研究[J]. 环境与职业医学, 2014, 31(6): 482-483. DOI: 10.13213/j.cnki.jeom.2014.0115
引用本文: 何健飞, 赖婧, 董明. 石墨炉原子吸收光谱法测定尿中铝的方法研究[J]. 环境与职业医学, 2014, 31(6): 482-483. DOI: 10.13213/j.cnki.jeom.2014.0115
HE Jianfei , LAI Jing , DONG Ming . Determination of Aluminum in Urine by Graphite Furnace Atomic Absorption Spectrometry[J]. Journal of Environmental and Occupational Medicine, 2014, 31(6): 482-483. DOI: 10.13213/j.cnki.jeom.2014.0115
Citation: HE Jianfei , LAI Jing , DONG Ming . Determination of Aluminum in Urine by Graphite Furnace Atomic Absorption Spectrometry[J]. Journal of Environmental and Occupational Medicine, 2014, 31(6): 482-483. DOI: 10.13213/j.cnki.jeom.2014.0115

石墨炉原子吸收光谱法测定尿中铝的方法研究

Determination of Aluminum in Urine by Graphite Furnace Atomic Absorption Spectrometry

  • 摘要: 目的 建立石墨炉原子吸收光谱测定尿中铝的方法。

    方法 应用0.10%曲拉通-100(TritonX-100)和0.50%硝酸直接稀释样品,石墨炉原子吸收光谱法直接测定尿中铝的含量。

    结果 通过试验,该方法的线性相关系数为0.999,检出限为1.02 μg/L,回收率为91.8%~104.9%,相对标准偏差在3.9%~7.9%,尿样在4℃冰箱中至少可以保存14 d。

    结论 所建立的分析方法灵敏、简便、准确,可测定尿中铝。

     

    Abstract: Objective To establish a method for determination of aluminum in urine by graphite furnace atomic absorption spectrometry (GFAAS).

    Methods Samples were diluted with 0.10% TritonX-100 and 0.50% HNO. Concentrations of urinary aluminum were detected by GFAAS.

    Results The correlation coefficient was 0.999, the limit of detection was 1.02 μg/L, the recovery rate ranged from 91.8% to 104.9%, with the relative standard deviation of 3.9%-7.9%. The urine samples could be stored at 4℃ for at least 14 days.

    Conclusion The method is sensitive, convenient, and accurate, and thus can be used to determine aluminum in urine.

     

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