Fig. 2
From: Observation of an oxonium ion intermediate in ethanol dehydration to ethene on zeolite
Identification of triethyloxoium ion by correlation NMR spectroscopy. 2D 13C–13C INADEQUATE MAS NMR spectrum of trapped species obtained from the reaction of 13CH313CH2OH on H-ZSM-5 at 220 °C for 4 s
