Laser-induced phosphorescence spectrometry of halogenated naphthalene derivatives prepared in vapor-deposited parent molecule matrices

The analytical merits of laser-induced phosphorescence spectrometry for the multicomponent analysis of halogenated aromatic hydrocarbon derivatives have been assessed for a prototype system consisting of chloronaphthalenes and bromonaphthalenes. By preparation of samples in low-temperature, vapor-de...

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Bibliographic Details
Published in:Analytical chemistry (Washington) 1989-04, Vol.61 (8), p.872-876
Main Authors: Pace, Charles F, Maple, Jon R
Format: Article
Language:English
Subjects:
400102 - Chemical & Spectral Procedures
400105 - Separation Procedures
Analytical chemistry
AROMATICS
CHEMICAL ANALYSIS
Chemistry
CONDENSED AROMATICS
DATA
DEPOSITION
EMISSION SPECTROSCOPY
Exact sciences and technology
EXPERIMENTAL DATA
FLUIDS
GASES
HYDROCARBONS
INFORMATION
INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY
LASERS
LUMINESCENCE
MATRIX ISOLATION
NAPHTHALENE
NUMERICAL DATA
ORGANIC CHLORINE COMPOUNDS
ORGANIC COMPOUNDS
ORGANIC HALOGEN COMPOUNDS
PHOSPHORESCENCE
POLLUTANTS
QUANTITATIVE CHEMICAL ANALYSIS
RESOLUTION
Spectrometric and optical methods
SPECTROSCOPY
TRACE AMOUNTS
VAPORS
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Description
Summary:The analytical merits of laser-induced phosphorescence spectrometry for the multicomponent analysis of halogenated aromatic hydrocarbon derivatives have been assessed for a prototype system consisting of chloronaphthalenes and bromonaphthalenes. By preparation of samples in low-temperature, vapor-deposited parent molecule matrices and use of laser excitation, the high resolution, high selectivity, and low detection limits that characterize laser-induced fluorescence spectrometry have been extended to analytical phosphorimetry. A detection limit of ca. 0.8 pg for 1,4-dichloronaphthalene is demonstrated, and high-resolution phosphorescence spectra with monochromator-limited bandwidths of ca. 10 cm{sup {minus}1} are presented, along with examples of analytical selectivity in the spectral and time domains.
ISSN:0003-2700
1520-6882
DOI:10.1021/ac00183a018