Chromatographic Techniques for the Determination of Free Phenol in Foundry Resins

Phenol is a toxic compound present in a wide variety of foundry resins. Its quantification is important for the characterization of the resins as well as for the evaluation of free contaminants present in foundry wastes. Two chromatographic methods, liquid chromatography with ultraviolet detection (...

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Bibliographic Details
Published in:Analytical letters 2011-05, Vol.44 (8), p.1536-1543
Main Authors: Oliva-Teles, Maria Teresa, Delerue-Matos, Cristina, Nouws, Henri P. A., Alvim-Ferraz, M. C. M.
Format: Article
Language:English
Subjects:
Analysis methods
Analytical chemistry
Applied sciences
Chemistry
Chromatographic methods and physical methods associated with chromatography
Chromatography
Deviation
Exact sciences and technology
Foundries
Foundry resin
Gas chromatographic methods
Gas chromatography
Liquid chromatography
Other chromatographic methods
Phenol
Phenolic resins
Pollution
Polymers
Resins
Wastes
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Summary:Phenol is a toxic compound present in a wide variety of foundry resins. Its quantification is important for the characterization of the resins as well as for the evaluation of free contaminants present in foundry wastes. Two chromatographic methods, liquid chromatography with ultraviolet detection (LC-UV) and gas chromatography with flame ionization detection (GC-FID), for the analysis of free phenol in several foundry resins, after a simple extraction procedure (30 min), were developed. Both chromatographic methods were suitable for the determination of phenol in the studied furanic and phenolic resins, showing good selectivity, accuracy (recovery 99-100%; relative deviations
ISSN:0003-2719
1532-236X
DOI:10.1080/00032719.2010.520383