Journal ArticleDOI
Direct determination of selected polynuclear aromatic hydrocarbons in a coal liquefaction product by synchronous luminescence techniques
Tuan Vo-Dinh,P.R. Martinez +1 more
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TLDR
Synchronous fluorescence and the room-temperature phosphorescence methods were used to determine selected polynuclar aromatic hydrocarbons in a coal liquid (solvent-refined coal) product without a preseparation step.About:
This article is published in Analytica Chimica Acta.The article was published on 1981-04-01. It has received 88 citations till now. The article focuses on the topics: Pyrene & Fluoranthene.read more
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Recent developments in multi-component synchronous fluorescence scan analysis
TL;DR: A review of synchronous fluorescence scan (SFS) methods for analysis of multi-component systems can be found in this paper, where the authors discuss the use of SFS in the analysis of complex multichannel mixtures.
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Synchronous fluorescence, UV-visible spectrophotometric, and voltammetric studies of the competitive interaction of bis(1,10-phenanthroline)copper(II) complex and neutral red with DNA.
TL;DR: The results show that both the [Cu(phen)(2)](2+)and the NR molecules can intercalate competitively into the DNA double-helix structure.
Journal ArticleDOI
Analytical applications of synchronous fluorescence spectroscopy
TL;DR: A review is presented of the fundamental principles and analytical applications of synchronous excitation fluorescence spectroscopy, constant-energy synchronous fluorescence Spectroscopy and variable-separation synchronous Excitation FluorescenceSpectroscopy.
Journal ArticleDOI
Synchronous luminescence spectroscopy: Methodology and applicability
TL;DR: In this paper, the synchronous luminescence (SL) technique was used in multiscale analysis of complex organic samples, and the efficacy of SL was demonstrated in the direct determination of anthracene and 2-methylanthracene in a raw coal liquid.
Journal ArticleDOI
Environmental Applications of Excitation-Emission Spectrofluorimetry: An In-Depth Review I
TL;DR: In this paper, a review of the principles and environmental applications of excitation-emission spectrofluorimetry (EES) is presented, and the possibilities and limitations are evaluated.
References
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Journal ArticleDOI
Multicomponent analysis by synchronous luminescence spectrometry
TL;DR: A methodology for the synchronous excitation technique is developed to improve the selectivity of luminescence spectrometry, which offers several advantages, including narrowing of spectral bands, an enhancement in selectivity by spectral simplification, and a decrease of measurement time in multicomponent analysis.
Journal ArticleDOI
Prediction of peak wavelengths and intensities in synchronously excited fluorescence emission spectra
J. B. F. Lloyd,I. W. Evett +1 more
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Selective heavy-atom perturbation for analysis of complex mixtures by room-temperature phosphorimetry
Tuan Vo-Dinh,J. R. Hooyman +1 more
TL;DR: In this paper, a selective external heavy-atom perturbation (SEHAP) is applied to improve room temperature phosphorescence (RTP) analysis of complex samples. But the SEHAP technique is limited to coal-derived products.
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Fluorescence line narrowing spectrometry in glasses for direct determination of polycyclic aromatic hydrocarbons in solvent-refined coal
TL;DR: In this article, an instrumentation for fluorescence line narrowing spectrometry (FLNS) in glasses is described, which can afford detection limits of approx. 1 part per trillion (pptr) for strongly fluorescent species, distinguish between substitutional isomers, and be used for the analysis of complex mixtures of PAHs.
Journal ArticleDOI
Direct determination of polynuclear aromatic hydrocarbons in coal liquids and shale oil by laser excited Shpol'skii spectrometry
TL;DR: In this paper, a tunable, dye laser excitation of Shpol'skii effect spectra provides a potentially useful means of determining PAH compounds directly in coal liquids and shale oil without prior isolation of the PAH fraction by chromatographic or other techniques.