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Determination of four arsenic species in aquatic products by liquid chromatography-atomic fluorescence spectrometry

Food and Machinery, ISSN: 1003-5788, Vol: 39, Issue: 8, Page: 66-70
2023
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Central South University of Forestry and Technology Researchers Yield New Study Findings on Arsenic (Determination of four arsenic species in aquatic products by liquid chromatography-atomic fluorescence spectrometry)

2024 AUG 14 (NewsRx) -- By a News Reporter-Staff News Editor at Chemicals & Chemistry Daily Daily -- New research on arsenic is the subject

Article Description

Objective; Four arsenic species of arsenic in aquatic products were analyzed using ultrasonic-assisted extraction combined with high performance liquid ehromatography-atomic fluorescence spectrometry (HPLC-AFS). Methods: Four arsenic compounds were extracted ultrasonically from the samples using 50%(v/v) methanol-aqueous solution as extraction solvent. The chromatographic separation was performed on Hamilton PRP-X100 anion exchange column using a mixture of 15 mmol/L ammonium dihydrogen phosphate solution with the pH adjust to 6.0 as the mobile phase. Results; Under the optimized conditions, there were good linear relationships in the range of 0~-100 /ig/I.for four arsenic compounds, with correlation coefficients all above 0.998. The limit of detection (LODs) of four arsenic species MMA. DMA.As(HI).As(V)were0.82. 0.94. 1.10, 0.78;ig/L respectively. The relative standard deviations were in the range of 0.8% —3.7%. The recoveries ranged from 86.0% to 110.0%. Conclusion; This method is simple, accurate, sensitive, and low reagent consumption costs, can be used for the determination of the arsenic species in aquatic products.

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