1. Rapid on‐site detection of persistent organic pollutants using multiwalled carbon nanotube–modified paper spray ionization and a miniature mass spectrometer.
- Author
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Guo, Xiangyu, Li, Junfang, Bai, Hua, and Ma, Qiang
- Subjects
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PERSISTENT pollutants , *CARBON paper , *POLYCYCLIC aromatic hydrocarbons , *CARBON nanotubes , *MASS spectrometers , *ION traps , *ENVIRONMENTAL protection - Abstract
Rationale: Rapid on‐site detection of persistent organic pollutants (POP) is highly desirable for environmental protection. Methods: Herein, a rapid on‐site analytical workflow was developed for the investigation of polycyclic aromatic hydrocarbons and perfluorinated compounds using multiwalled carbon nanotube–modified paper spray ionization (PSI) coupled with a miniature ion trap mass spectrometer. Critical parameters regarding PSI and miniature mass spectrometry analysis were optimized. Results: The analytical performance of the developed method was evaluated under optimized conditions, obtaining a short analysis duration of less than 1 min, sufficient linearity with correlation coefficients greater than 0.99, acceptable recovery rates of 93.1%–105.8% with relative standard deviations of between 3.5% and 10.3%, and reasonable sensitivity with limits of detection and quantitation of 2–200 and 5–500 μg/L, respectively. Conclusions: Considering these aspects, it was concluded that the present approach demonstrated a promising solution for rapid on‐site detection of emerging POPs. [ABSTRACT FROM AUTHOR]
- Published
- 2023
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