Quantitative analysis of CL-20 explosive by smartphone-based chemiluminescence method.
Luminescence
; 39(5): e4775, 2024 May.
Article
em En
| MEDLINE
| ID: mdl-38745525
ABSTRACT
A new smartphone-based chemiluminescence method has been introduced for the quantitative analysis of CL-20 (Hexanitroazaisowuertzitan) explosive. The solvent mixture, oxidizer agent, and concentration of the reactants were optimized using statistical procedures. CL-20 explosive showed a quenching effect on the chemiluminescence intensity of the luminol-NaClO reaction in the solvent mixture of DMSO/H2O. A smartphone was used as a detector to record the light intensity of chemiluminescence reaction as a video file. The recorded video file was converted to an analytical signal as intensity luminescence-time curve by a written code in MATLAB software. Dynamic range and limit of detection of the proposed method were obtained 2.0-240.0 and 1.1 mgâ
L-1, respectively, in optimized concentrations 1.5 × 10-3 molâ
L-1 luminol and 1.0 × 10-2 molâ
L-1 NaClO. Precursors TADB, HBIW, and TADNIW in CL-20 explosive synthesis did not show interference in measurement the CL-20 purity. The analysis of CL-20 spiked samples of soil and water indicated the satisfactory ability of the method in the analysis of real samples. The interaction of CL-20 molecules and OCl- ions is due to quench of chemiluminescence reaction of the luminol-NaClO.
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Base de dados:
MEDLINE
Assunto principal:
Smartphone
/
Medições Luminescentes
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Luminol
Idioma:
En
Ano de publicação:
2024
Tipo de documento:
Article