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Study of the reproducibility and selectivity of coal tar pitch fractionation by extrography on alumina

โœ Scribed by Vicente L. Cebolla; Jean V. Weber; Michel Swistek; Andrei Krzton; Janina Wolszczak

Publisher
Elsevier Science
Year
1994
Tongue
English
Weight
863 KB
Volume
73
Category
Article
ISSN
0016-2361

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The pore structure of the pyrolysis residues of poiy-2.~dimethylphenyleneoxide (PPO) and oxidized PPO were studied by adsorption measurements. The Dubinin method with different gases as adsorbents was used for determination of the micropore volume. In all cases slit-shaped micropores were found, Pre