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Direct VOC analysis of water-based coatings by gas chromatography and solid-phase microextraction / Albert C. Censullo in JOURNAL OF COATINGS TECHNOLOGY (JCT), Vol. 69, N° 869 (06/1997)
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Titre : Direct VOC analysis of water-based coatings by gas chromatography and solid-phase microextraction Type de document : texte imprimé Auteurs : Albert C. Censullo, Auteur ; Dane R. Jones, Auteur ; Max T. Wills, Auteur Année de publication : 1997 Article en page(s) : p. 33-41 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Chimie analytique
Chromatographie en phase gazeuse
Composés organiques volatils
Extraction (chimie)
Revêtements en phase aqueuse:Peinture en phase aqueuse
solvantsIndex. décimale : 667.9 Revêtements et enduits Résumé : Solvents in water-based coatings may be determined by sampling the coating head space using solid phase microextraction and gas chromatographing the extract. Several water-based coatings of known composition were analyzed by direct capillary gas chromatography and excellent agreement with theoretical VOC values was obtained. Fifty-two water-based architectural and industrial maintenance coatings were analyzed by a combination of SPME/GC and direct GC of solutions in methanol or dimethyl-formamide and the results compared with reported values. The SPME/GC method appears to be especially suitable for the analysis of low VOC content water-based coatings, for which EPA Method 24 often gives poor results. The identification and quantitation ofexempt solvents may be performed easily with this method. Residual solvent in dried paint films may be determined by SPME/GC. Note de contenu : - EXPERIMENTAL : Solid-phase microextraction - Direct analysis of coatings samples - Validation - Paint film analysis - Gas chromatographic analysis of commercial water-based coatings Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=18244
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