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Determination of Beryllium in Whole Blood with Graphite Furnace Atomic Absorbance Spectrometry

Xunping Yao

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Abstract

[Objective] To establish the method for determination of beryllium in whole blood with graphite furnace atomic absorbance spectrometry.[Methods] After the protein in whole blood was removed by nitric acid 5%(v/v) and centrifugal separation,it was determined by standard working curve using Mg(NO3)2 0.5%(m/v) as matrix modifier.[Results] The linearity range of the method was 0.18-5.00 μg/L,the correlation coefficient(r) was 0.999 6,the relative standard deviation(RSD) was 2.7%-4.2%,the detection limit was 0.27 μg/L,and the recovery was 90%-100%.[Conclusion] This method is characterized by less amount of samples,simple digestion,better degree of precision and accuracy.It is fit to determine beryllium in whole blood.

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[Objective] To establish the method for determination of beryllium in whole blood with graphite furnace atomic absorbance spectrometry.[Methods] After the protein in whole blood was removed by nitric acid 5%(v/v) and centrifugal separation,it was determined by standard working curve using Mg(NO3)2 0.5%(m/v) as matrix modifier.[Results] The linearity range of the method was 0.18-5.00 μg/L,the correlation coefficient(r) was 0.999 6,the relative standard deviation(RSD) was 2.7%-4.2%,the detection limit was 0.27 μg/L,and the recovery was 90%-100%.[Conclusion] This method is characterized by less amount of samples,simple digestion,better degree of precision and accuracy.It is fit to determine beryllium in whole blood.

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Available abstract

[Objective] To establish the method for determination of beryllium in whole blood with graphite furnace atomic absorbance spectrometry.[Methods] After the protein in whole blood was removed by nitric acid 5%(v/v) and centrifugal separation,it was determined by standard working curve using Mg(NO3)2 0.5%(m/v) as matrix modifier.[Results] The linearity range of the method was 0.18-5.00 μg/L,the correlation coefficient(r) was 0.999 6,the relative standard deviation(RSD) was 2.7%-4.2%,the detection limit was 0.27 μg/L,and the recovery was 90%-100%.[Conclusion] This method is characterized by less amount of samples,simple digestion,better degree of precision and accuracy.It is fit to determine beryllium in whole blood.

Key concepts: Absorbance, Beryllium, Detection limit, Chemistry, Analytical Chemistry (journal), Whole blood, Nitric acid, Chromatography

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