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  • Title: [Determination of indium in whole blood by graphite furnace atomic absorption spectrometry].
    Author: He J, Liu F, Xiang Y, Li Z.
    Journal: Zhonghua Lao Dong Wei Sheng Zhi Ye Bing Za Zhi; 2015 Aug; 33(8):627-9. PubMed ID: 26653819.
    Abstract:
    OBJECTIVE: To investigate the sensitization effect of different chemical modifiers in the determination of indium in whole blood by graphite furnace atomic absorption spectrometry, and to develop a new method for the determination of indium in whole blood. METHODS: A mixture of 0.3% HNO3 (V/V) + 0.1% Triton X-100 (V/V) was used as a diluent, and a solution of 1 000 µg/ml Pd (NO3)2 + 3 000 µg/ml Mg (NO3)2 was used as modifier. After being diluted five times, the concentration of indium of the blood was directly determined by graphite furnace atomic absorption spectrometry. RESULTS: The detection limit of the method was 0.33 µg/L, the linear range was 0.33~100.00 µg/L, the relative standard deviation was 1.43%~2.65%, and the recovery rate was 98.3%~105.3%. CONCLUSION: The method is simple and fast and has high recovery and precision, and it is suitable for the determination of indium in whole blood.
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