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Determination of Pb in Cigarette Tipping Paper by Flow Injection-Hydride Generation-atomic Absorption Spectrometry

Guoku Chao

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Abstract

The method of measuring trace Pb in tipping paper by flow injection-Hydride generation-atomic absorption spectrometry was studied. The optimum experiment conditions for hydride generation were investigated.Recovery of the method was 95.0% ~104.5%,and detection limit was 0.22 ng/mL,linearity was kept in range of 0~50 ng/mL,the linear regression equation is y= 0.012x+0.0106,the correlation coefficient is 0.999 7,and the relative standard deviation(RSD) was 1.2% ~ 3.3 %.

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What this paper is about

The method of measuring trace Pb in tipping paper by flow injection-Hydride generation-atomic absorption spectrometry was studied. The optimum experiment conditions for hydride generation were investigated.Recovery of the method was 95.0% ~104.5%,and detection limit was 0.22 ng/mL,linearity was kept in range of 0~50 ng/mL,the linear regression equation is y= 0.012x+0.0106,the correlation coefficient is 0.999 7,and the relative standard deviation(RSD) was 1.2% ~ 3.3 %.

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Available abstract

The method of measuring trace Pb in tipping paper by flow injection-Hydride generation-atomic absorption spectrometry was studied. The optimum experiment conditions for hydride generation were investigated.Recovery of the method was 95.0% ~104.5%,and detection limit was 0.22 ng/mL,linearity was kept in range of 0~50 ng/mL,the linear regression equation is y= 0.012x+0.0106,the correlation coefficient is 0.999 7,and the relative standard deviation(RSD) was 1.2% ~ 3.3 %.

Key concepts: Hydride, Atomic absorption spectroscopy, Detection limit, Chemistry, Analytical Chemistry (journal), Relative standard deviation, Linearity, Correlation coefficient

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