KONA Powder and Particle Journal
Online ISSN : 2187-5537
Print ISSN : 0288-4534
ISSN-L : 0288-4534
Original Report
Measurement of Pore Distribution by Utilizing Equilibrium Moisture Content Curve
Chikao AraiYoshiki SanoTadami Hanakawa
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1984 Volume 2 Pages 62-70

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Abstract

As one of the methods of measuring the pore distributions, the equilibrium moisture content curve of porous powder was investigated owing to the facility in the measurement.
A simple and reasonable method was developed for calculating the distribution from an adsorption isotherm. It was shown that the distribution could be evaluated by an equation which contained two coefficients. The coefficients depend only on the characteristics of adsorbate, and these values can be calculated from a t-curve.
Since it seemed impossible to measure t-curve on the equilibrium moisture content, the t-curve on water vapor adsorption was determined instead of that on moisture content. It was then shown feasible to apply the curve for pore distribution analysis by the equilibrium moisture content curve.

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