Separation and determination of oligomers and homologues of aliphatic alcohol ethoxylates in textile lubricants and lubricant emulsion by high-performance liquid chromatography

Autor:	H.A. Anderson, Margot Baird, D L Brydon, Cheng Sun
Rok vydání:	1997
Předmět:	chemistry.chemical_classification Chromatography Organic Chemistry Extraction (chemistry) General Medicine Reversed-phase chromatography Biochemistry Oligomer High-performance liquid chromatography Analytical Chemistry chemistry.chemical_compound chemistry Emulsion Methanol Lubricant Alkyl
Zdroj:	Journal of Chromatography A. 771:145-154
ISSN:	0021-9673
DOI:	10.1016/s0021-9673(97)00139-8
Popis:	Homologous mixtures of 3,5-dinitrobenzenoates of aliphatic alcohol ethoxylates (AEs) were separated by high-performance liquid chromatography (HPLC) with high resolution using an amino bonded silica column and gradient elution of ternary solvents (hexane-dichloromethane-methanol). When the method was combined with novel sample clean-up and extraction procedures, oligomers of AEs in textile lubricants and a lubricant emulsion were satisfactorily determined with recoveries 75% and good reproducibility. A reversed-phase HPLC method was also developed to characterise the alkyl groups of AEs.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::3bbe0103ef913ded01fa22efe7d88e9d https://doi.org/10.1016/s0021-9673(97)00139-8 Zobrazit plný text záznamu Full Text from ScienceDirect