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Hydrocarbon distributions measured in the urban area of Toronto during the Southern Ontario Oxidants Study of 1992 are presented. Comparison is made to hydrocarbon distributions measured in other urban areas. Relative concentrations of olefins were found to be depleted aloft compared to the surface level measurements. Chemical mass balance modelling was used to apportion the measured hydrocarbon distributions...
The catalytic properties of iron- and manganese-promoted sulfated zirconia (SFMZ) for the isomerization ofn-butane to isobutane are investigated using various catalyst pretreatments and reaction conditions. Then-butane isomerization reactivity at 30°C is effected by calcination of the catalyst at 650°C in helium and vacuum treatment at room temperature indicating that superacidity is not likely to...
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