Abstract:NOWLEDGE of thc apparent density of solid materials is often useful for determining the porosity of many products and K raw materials. In the usual applied methods' the porous core sample is immersed in mercury with the assumption that mercury, because of its high surface tension, does not penetrate the capillaries. These methods give good results when the sample is large enough to be pushed into the mercury with prongs. This method, however, cannot be used in the case of granular or powdered samples. The use … Show more
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