Electrothermal atomizer laser-excited atomic fluorescence spectrometry for the determination of phosphorus in polymers by direct solid analysis and dissolution

Electrothermal atomizer laser-excited atomic fluorescence spectrometry (ETA-LEAFS) with direct solid analysis was used to measure phosphorus in polymers that consisted mainly of poly (ethylene terephthalate). The ETA-LEAFS detection limit for phosphorus was 8 pg, and the linear dynamic range extende...

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Bibliographic Details
Published in:Journal of analytical atomic spectrometry 1996, Vol.11 (4), p.279-285
Main Authors: LONARDO, R. F, YUZEFOVSKY, A. I, YANG, K. X, MICHEL, R. G, FRAME, E. S, BARREN, J
Format: Article
Language:English
Subjects:
Applied sciences
Exact sciences and technology
Organic polymers
Physicochemistry of polymers
Properties and characterization
Structure, morphology and analysis
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Summary:Electrothermal atomizer laser-excited atomic fluorescence spectrometry (ETA-LEAFS) with direct solid analysis was used to measure phosphorus in polymers that consisted mainly of poly (ethylene terephthalate). The ETA-LEAFS detection limit for phosphorus was 8 pg, and the linear dynamic range extended over about five orders of magnitude. Electrothermal atomic absorption spectrometry and inductively coupled plasma atomic emission spectrometry were used to validate quantitative results obtained. A novel dissolution method that utilized trifluoroacetic acid and toluene was used for validation purposes. A comparison was made between the use of ETA-LEAFS and the alternative techniques.
ISSN:0267-9477
1364-5544
DOI:10.1039/JA9961100279