Separation of nonionic surfactant according to the length of the ethylene oxide chain on alumina layers
- 1 January 1998
- journal article
- research article
- Published by Taylor & Francis in Toxicological & Environmental Chemistry
- Vol. 65 (1-4), 95-102
- https://doi.org/10.1080/02772249809358559
Abstract
The separation of non‐ionic surfactants such as α‐(1,1,3,3‐tetramethylbutyl)phenyl ethylene oxide oligomers according to the length of the ethylene oxide chain was achieved on precoated alumina thin‐layer plates using various n‐hexane — ethyl acetate, n‐hexane — dioxan and n‐hexane — tetrahydrofuran mixtures as the eluent. Ethylene oxide oligomers were well separated in each eluent systems, a higher concentration of the stronger component in the eluent was needed for the separation of oligomers with longer ethylene oxide chain. Spectral mapping technique established that the solvent strength of tetrahydrofuran is the highest followed by dioxane and ethyl acetate, and the selectivity of ethyl acetate differs considerably from those of the other two solvents.Keywords
This publication has 21 references indexed in Scilit:
- Compared effects of synthetic and natural bile acid surfactants on xenobiotic absorption: IV. Studies with taurocholate in the rat small intestineInternational Journal of Pharmaceutics, 1994
- Surfactant-induced skin irritation and skin repair: Evaluation of the acute human irritation model by noninvasive techniquesJournal of the American Academy of Dermatology, 1994
- Considerations in the Use of an Infinite-Dose System for Studying Surfactant Effects on Diffusion in Isolated CuticlesJournal of Agricultural and Food Chemistry, 1994
- Compared effects of synthetic and natural bile acid surfactant on xenobiotic absorption. II. Studies with sodium glycocholate to confirm a hypothesisInternational Journal of Pharmaceutics, 1994
- Ocular Lens Organ Culture as a Measure of Ocular Irritancy: The Effect of SurfactantsToxicology Mechanisms and Methods, 1994
- Cutaneous Toxicity of Surfactants in Normal Human Keratinocytes Assessed by Cytotoxicity, Arachidonic Acid Release, and Regulation of Interleukin-lα mRNAToxicology Mechanisms and Methods, 1994
- A comparison of two cytotoxicity tests for predicting the ocular irritancy of surfactantsToxicology in Vitro, 1993
- The Specific Adhesional Forces of Aqueous Droplets on Crop Leaf Surfaces and Factors Influencing ThemeJournal of Pesticide Science, 1993
- Evaluation of surfactant cytotoxicity potential by primary cultures of ocular tissues: I. Characterization of rabbit corneal epithelial cells and initial injury and delayed toxicity studiesToxicology, 1992
- Safety Aspects of Non-ionic Surfactant Vesicles: A Toxicity Study Related to the Physicochemical Characteristics of Non-ionic SurfactantsJournal of Pharmacy and Pharmacology, 1992