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The effect of sulfate ion (SO 2−4 ) loading on the properties of Pt/SO 2−4 -ZrO 2 and on the catalytic isomerization of n-butane to iso-butane was studied. The catalyst was prepared by impregnation of Zr(OH) 4 with H 2 SO 4 and platinum solution followed by calcination at 600 °C. Ammonia TPD and FT-IR were used to confirm the distribution of...
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