1. Application of atomic fluorescence spectrometry in the determination of arsenic content and its morphological analysis.
- Author
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SHAO Wenyao, WU Yiru, and PENG Shu'nii
- Abstract
We analyzed the content of four arsenic species (As (III), As (V), MMA, DMA) and total arsenic in dried seafood. The pretreatment conditions were optimized. HPLC-HG-AFS was used in arsenic speciation analysis. The linearity of the four standard operating curves was good, the linear ranges were all 0-100.0 µ g/L, and the correlative coefficients were between 0.996 1 and 0.998 l. The detection limits of As(III), As(V), MMA and DMA were 0.76-1.05 µg/L respectively. The relative standard deviations (RSD)were 1. 11%-A. 16% (re = 6). The addition recovery rates were 96. 7%-110. 9%. The total arsenic content was determined using atomic fluorescence spectrometry (AFS) and inductively coupled plasma-optical emission spectroscopy (ICP-OES) . Comparison of data analysis showed that AFS was simple with low detection limit and high precision, and was more suitable for determination of total arsenic in dried seafood. The linear range of standard operating curve was 0-100.0 µ g/L. The correlative coefficient was 0. 998 3, the detection limit was 0. 45 H-g/L. The addition recovery rates of the two samples were 87.7%-120.3%. [ABSTRACT FROM AUTHOR]
- Published
- 2021
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