Analyzing Pentaerythritol Stearate Homologs with NMR Spectroscopy
LI Chun-fa, LIU Guang, WANG Qin and 1 more
Chinese Journal of Magnetic Resonance · 2018
doi:10.11938/cjmr20172612 (opens in a new tab)
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Abstract
A pentaerythritol stearate sample with unknown composition was analyzed by nuclear magnetic resonance (NMR) spectroscopy (i.e., 1H NMR, quantitative 13C NMR, DEPT135, 1H-1H COSY, 1H-1H NOESY, 1H-13C HSQC and 1H-13C HMBC). The results indicated that the sample contained mainly monopentaerythritol tetrastearate, but also had small amounts of monopentaerythritol tristearate, monopentaerythritol distearate, dipentaerythritol stearate and tripentaerythritol stearate, as well as a trace amount of multipentaerythritol stearate.
Abstract licence: CC BY-NC
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