Express Search and Characterization of Nitro Compounds via Visualization Mass Spectrometry

I. S. Pytskii; Пыцкий И. С.; E. S. Kuznetsova; Кузнецова Е. С.; A. K. Buryak; Буряк А. К.

doi:10.31857/S0044453723110262

Express Search and Characterization of Nitro Compounds via Visualization Mass Spectrometry

Autores: Pytskii I.S.¹, Kuznetsova E.S.², Buryak A.K.¹
Afiliações:
1. Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences
2. Frumkin Institute of Physical Chemistry and Electrochemistry
Edição: Volume 97, Nº 11 (2023)
Páginas: 1655-1659
Seção: PHYSICAL CHEMISTRY OF DISPERSED SYSTEMS AND SURFACE PHENOMENA
##submission.dateSubmitted##: 27.02.2025
##submission.datePublished##: 01.11.2023
URL: https://jdigitaldiagnostics.com/0044-4537/article/view/669172
DOI: https://doi.org/10.31857/S0044453723110262
EDN: https://elibrary.ru/GMHTHB
ID: 669172

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Resumo
Sobre autores
Bibliografia
Arquivos suplementares
Estatísticas

Resumo

The authors describe a way of detecting nitro and amino compounds using a mass spectrometer with laser desorption/ionization. This allows analysis of nitro- and amino compounds from a metal surface without sample preparation at levels of up to 5 ng/cm2 relative to paracetamol. Sensitivity is at the level of modern means of analysis, and the procedure is simple and fast. It is also universal and can be modified to search for other nitro- and amino compounds. Pointwise quantitative analysis can be done using an external standard. The dynamic range is 1.5–2 orders of magnitude. The technique can be used to analyze metal surfaces for nitro-paint residues and traces of explosive compounds.

Palavras-chave

nitrophenol, dinitrophenol, surface laser desorption/ionization mass spectrometry, paracetamol, 2-methylpyrrolidone, mass spectrometric imaging

Bibliografia

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