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Gas chromatographic study of microporous carbons

✍ Scribed by P.J.M. Carrott; K.S.W. Sing

Book ID
104144490
Publisher
Elsevier Science
Year
1987
Tongue
English
Weight
413 KB
Volume
406
Category
Article
ISSN
1873-3778

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✦ Synopsis

Gas chromatography has been used to measure low-coverage isosteric heats of adsorption of C1 to C6 alkanes on microporous carbons. The maximum enhancement in adsorption energy is approximately twice that of non-porous carbon and is given by samples which have a homogeneous micropore structure, consisting of slitshaped pores of cu. 0.43 nm to 0.50 width. Results obtained using isobutane and neopentane indicate that a temperature dependency of the retention index is associated with molecular sieving effects.

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