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High-purity gaseous urea was generated by passing a carrier gas at 100°C through an inert cordierite monolith impregnated with urea, and the gaseous urea adsorbed onto anatase TiO 2 catalyst samples. Urea adsorption on the catalysts was confirmed by two independent methods: high performance liquid chromatography (HPLC) analysis and diffuse reflectance infrared Fourier transform (DRIFT) spectroscopy...
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