8. Using the nitrogen adsorption isotherm, determine the specific surface area of the adsorbent. T = 77 K, S0 = 16.2*10-20 m2 The volume of adsorbed gas is reduced to normal conditions:
P/PS 0.05 0.10 0.15 0.20 0.25 0.30 0.35 0.40 0.45
A•10 m3/kg... 0.70 1.10 1.17 1.32 1.45 1.55 1.58 1.60 1.60

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