Abstract
The 18O-selective infrared multiple-photon decomposition (IRMPD) of saturated ethers has been studied by using a TEA CO 2 laser. The irradiation of ethers with laser radiation at the red edges of their absorption bands produces CO, CH 3CHO, and CH 3OH enriched with 18O. The separation selectivity is dependent on several irradiation parameters such as the pressure of ether, number of laser pulses, laser fluence, laser wavenumber, and temperature. An extremely high selectivity, 350, was observed for the IRMPD of 1.0 Torr of diisopropyl ether.
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