What information can be obtained from the adsorption isotherm?
It is possible to analyze pore size distribution! This is a document introducing information obtained from adsorption isotherms.
This document introduces information obtained from adsorption isotherms using graphs. The adsorption isotherm is represented with the horizontal axis as pressure (P) or relative pressure (p/p0) at a constant temperature, and the vertical axis as the amount adsorbed (STP: standard conditions: 273.15 K, 100 kPa). When performing specific surface area and pore distribution analysis, the horizontal axis is expressed as the relative pressure obtained by dividing the pressure (equilibrium pressure) at each measurement point by the saturation vapor pressure, resulting in a range from 0 to 1. At 0, it represents the state after pretreatment, and at 1, it indicates that adsorbed molecules are filled in all pores (saturation state). *For more details, please refer to the PDF document or feel free to contact us.
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