The surface area of 1.0 g alumina was determined by adsorption of nitrogen at -196°C. At pressure of 37 torr and 115 torr, the volume of nitrogen adsorbed was 23 cm3 and 33 cm3, respectively. By using the following BET equation: Calculate the surface area of the alumina when the given saturation pressure, Po is 760 torr and molecular area of nitrogen is 16.2 x 10-20 m2
The surface area of 1.0 g alumina was determined by adsorption of nitrogen at -196°C. At pressure of 37 torr and 115 torr, the volume of nitrogen adsorbed was 23 cm3 and 33 cm3, respectively. By using the following BET equation: Calculate the surface area of the alumina when the given saturation pressure, Po is 760 torr and molecular area of nitrogen is 16.2 x 10-20 m2
Chapter14: Chromatography
Section: Chapter Questions
Problem 9P
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The surface area of 1.0 g alumina was determined by adsorption of nitrogen at -196°C. At pressure of 37 torr and 115 torr, the volume of nitrogen adsorbed was 23 cm3 and 33 cm3, respectively. By using the following BET equation:
Calculate the surface area of the alumina when the given saturation pressure, Po is 760 torr and molecular area of nitrogen is 16.2 x 10-20 m2
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1
V(Po-P) VmK Vm
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