Canadian Journal of Research/Canadian journal of research · 1949 · 32 citations · 0 references
AgricultureAgronomyPlant SciencesCereal ScienceCrop PhysiologySoil-water RelationsAdsorption ProcessesMoisture ExchangeMoisture SorptionMoisture TransportRelative HumidityWater ContentMoisture Sorption BehaviorMoisture Sorption In FoodsMoisture Sorption ModelingMoisture Uptake DynamicsSorption IsothermsWater Vapor DiffusionWater Vapor Sorption
The adsorption and desorption of water vapor by wheat was measured by means of a McBain sorption balance. Curves are obtained showing the rate at which moisture is adsorbed by kernels of wheat directly exposed to a humidified atmosphere, and a theory is advanced to account for the rate of adsorption. It is shown that the rate of adsorption is governed largely by the time taken for the moisture to diffuse up to the surface of the wheat. Under storage conditions, this is much greater than the time required for the moisture to penetrate the kernel of wheat from its surface.