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The low-temperature adsorption of methyl chloride andmethyl iodide on silica-supported Pt catalysts has beeninvestigated by transmission Fourier transform infraredspectroscopy. The IR data show that methyl chloride and methyliodide dissociate at low temperatures (near 200 K) to form anadsorbed hydrocarbon fragment on the surface, identified asmethyl groups. Methyl groups are characterized by a singleinfrared...
Ethyl chloride decomposition on Pt/SiO 2 and Pt/Al 2 O 3 catalysts has been investigated by infrared spectroscopy and mass spectrometry. Ethyl chloride reacts on Pt particles at low temperatures near 200 K to form adsorbed C 2 hydrocarbon fragments. By comparison to literature infrared spectra, three species are identified to be adsorbed on the Pt catalysts-ethyl (C...