What could be the reason for this anomalous hysteresis loop of N2-ads-desorption isotherm?

Bhanupratap Singh Solanki @Bhanupratap-Solanki

11 June 2019 0 2K Report

In this isotherm hysteresis loop is generated well before p/po value of 0.2 and it remain parallel to complete isotherm. What could be the possible reason. Also what could be the possible pore size range as i am finding it 18-20 nm.

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