Polyoxyethylene oligomer distribution of nonionic surfactants |
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| Authors: | Takatoshi Sato Yoshihiro Saito Ichiro Anazawa |
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| Affiliation: | (1) Department of Pharmacy, College of Science and Technology, Nihon University, 8, Kanda Surugadai, 1-Chome, Chiyoda-ku, Tokyo, Japan;(2) Department of Industrial Chemistry, College of Industrial Technology, Nihon University, Chiba, Japan |
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| Abstract: | Thin layer chromatography with a flame ionization detection (TLC-FID) technique was applied to the separation and determination
of nonionic surfactants containing oxyethylene (OE) chains. The OE adducts with an average number of 4.2, 6.0 and 8.0 oxyethylene
units were separated on Chromarod S-II (Silica gel-coated rods) with double development using benzene:ethyl acetate (6:4)
and ethyl acetate:acetic acid:water (8:1:1). OE adducts of nonionic surfactants were well separated by the TLC-FID method
using simple and standard techniques that eliminate the need for any chemical modification. |
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