Email this article EXPEC triple quadrupole chromato-mass-spectrometers: instrumental capabilities and application experience
- Authors: Troian M.G.1
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Affiliations:
- LLC labconcept
- Issue: Vol 15, No 4 (2025)
- Pages: 274-280
- Section: Analytical Methods and Instruments
- URL: https://journals.eco-vector.com/2227-572X/article/view/690019
- DOI: https://doi.org/10.22184/2227-572X.2025.15.4.274.280
- ID: 690019
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Abstract
Liquid Chromatograpy / Tandem Mass-Spectrometry (LC-MS-MS) method has firmly taken its position in the field of analytical chemistry as one of the most informative and reliable methods for studying complex mixtures and individual organic compounds with excellent sensitivity. In our country, LC-MS-MS is actively used for scientific research, petrochemistry, quality control of food products, medicines and veterinary drugs, environmental monitoring, clinical analysis, toxicology and much more.
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About the authors
Maria G. Troian
LLC labconcept
Author for correspondence.
Email: lc@labconcept.ru
deputy director for scientific work
Russian Federation, St. PetersburgReferences
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Fig. 1. Gas chromatograph mass spectrometer EXPEC G-Chrom MS
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Fig. 2. Gas chromatograph mass spectrometer EXPEC G-Chrom MS and liquid chromatograph mass spectrometer EXPEC L-Chrom MS
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Fig. 3. Example of the MassExpert software interface
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Fig. 4. Scheme of interaction between SMMS and the device
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Fig. 5. MRM chromatograms of a wheat flour sample for transitions corresponding to the pesticide Cymoxanil
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Fig. 6. Chromatogram of potato tuber extract: the pesticide GCB was detected at a concentration of 0.45 ng/g
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Fig. 7. MRM chromatogram of a peanut sample for transitions corresponding to aflatoxins B1 and B2
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Fig. 8. Chromatogram of a vegetable oil sample recorded in MRM (multiple reaction monitoring) mode at m/z 147 > 91.1 (3-MCPD, red) and m/z 150 > 93 (internal standard 3-MCPD-d5, purple)
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Fig. 9. Chromatograms of model solutions of N-nitrosamines with a concentration of 0.8 ng/ml (a) and 15 ng/ml (b)
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