The effect of gases on the sintering of lime

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Abstract
The rate of sintering of lime at 1000‐1250° C has been determined by following the decrease in surface area, the latter being measured by the amount of a dyestuff absorbed by the lime from an alcohol‐chloroform mixture. It is found that profound differences in sintering rates are produced by varying the type of atmosphere with which the lime is in contact. The following gases have been examined and are arranged in order of decreasing effectiveness: sulphur dioxide; water vapour (565 mm pressure); CO2: air, oxygen and nitrogen argon. The rates of sintering in argon and in vacuo are not significantly different.

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