Determination of ethylene oxide content in n ‐Alcohol ethoxylates by proton nuclear magnetic resonance spectroscopy | Zendy

Hammond Charles E. | Zendy; Kubik Deborah K. | Zendy

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Determination of ethylene oxide content in n ‐Alcohol ethoxylates by proton nuclear magnetic resonance spectroscopy

Author(s) -

Hammond Charles E.,

Kubik Deborah K.

Publication year - 1994

Publication title -

journal of the american oil chemists' society

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.512

H-Index - 117

eISSN - 1558-9331

pISSN - 0003-021X

DOI - 10.1007/bf02541482

Subject(s) - ethylene oxide , proton magnetic resonance , alcohol , relative standard deviation , chemistry , ether , analytical chemistry (journal) , standard deviation , spectroscopy , ethylene glycol , proton , content (measure theory) , fourier transform , oxide , fourier transform infrared spectroscopy , nuclear magnetic resonance , materials science , chromatography , organic chemistry , detection limit , physics , nuclear physics , mathematics , mathematical analysis , statistics , quantum mechanics , copolymer , polymer

Proton Fourier transform nuclear magnetic resonance spectral data were collected on n ‐alcohol ethoxylates and used to calculate the percent ethylene oxide (EO) content of the n ‐alcohol ethoxylate without an internal or external standard. The accuracy and precision of the method were determined from ten repetitive analyses of hexaethylene glycol mono n ‐dodecyl ether. The standard deviation was 0.23 wt% EO with a relative standard deviation of 0.40%. The method had a relative error of +0.55% and an absolute error of +0.32% EO.

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