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Current Analytical Chemistry

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ISSN (Print): 1573-4110
ISSN (Online): 1875-6727

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Research Article

Diagnosis and Determination of Phosphine by Dynamic Headspace/ICP/AES in Biological Samples

Author(s): Jalal Hassan* and Mohammad Hadi Karbasi

Volume 18, Issue 9, 2022

Published on: 03 September, 2022

Page: [999 - 1002] Pages: 4

DOI: 10.2174/1573411018666220629152052

Price: $65

Abstract

Objective: Inductively coupled plasma atomic emission spectroscopy (ICP/AES) has been used for the determination of phosphine residues in cereal and tissue biological samples.

Methods: The method used is based on the reaction of phosphine residue with H2SO4 in a headspace vial, determining the phosphor of the liberated phosphine gas by ICP/AES at 213.6 nm. At this wavelength, there is a linear relationship between emission and concentration of phosphine in the range of 0.10 up to 0.50 μg g-1 (R2 = 0.990). The method is rapid and sensitive with the detection limit of 3.1 μg (S/N =3), and the precision expressed as relative standard deviations (RSD %) is below 12% for 10 replicates.

Results: The obtained results showed good agreement with the GC/NPD method.

Conclusion: In this study, we develop a rapid analysis, inexpensive, easier handling, simple, repeatable, and sensitive method for the determination of phosphine residue in various samples.

Keywords: phosphine, ICP/AES, headspace, toxicology, residue

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Graphical Abstract

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