According to the nitrogen adsorption isotherm, determine the specific surface of the adsorbent T = 77K, S0 = 16.2 10-20 m2. The volume of adsorbed gas is reduced to normal conditions:
p/ps………………………………………… 0.04 0.09 0.14 0.19 0.24 0.30
a 102, m3/kg……………………………… 0.70 1.10 1.17 1.32 1.45 1.55

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