Gas-particle partitioning of organic compounds and its interpretation using relative solubilities
Article Abstract:
A new way of interpreting and correlating gas-particle partitioning is suggested. Calculating and reporting the corresponding solubility of S(subQ) when reporting the measured values of K(subP) is a useful method of assessing consistency with previous data and as an indication of the presence of adsorption as distinct from absorption.
Publication Name: Environmental Science & Technology
Subject: Science and technology
ISSN: 0013-936X
Year: 2001
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Temperature dependence of slow adsorption and desorption kinetics of organic compounds in sediments
Article Abstract:
A study aimed at investigating the temperature dependence of slow adsorption and desorption kinetics of some chlorobenzenes, polychlorinated biphenyls (PABs) and polycyclic aromatic hydrocarbons is presented. The experiment is performed in a lab-contaminated and a field-contaminated sediment. A technique which used Tenax beads was employed to allow the measurement of kinetics of desorption. A first-order kinetic model with tree sediment compartments, meanwhile, described the desorption of the test compounds from the sediments.
Publication Name: Environmental Science & Technology
Subject: Science and technology
ISSN: 0013-936X
Year: 1997
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Characterizing gas-water interfacial and bulk-water partitioning for gas-phase transport of organic contaminants in unsaturated porous media
Article Abstract:
A research project to test the retardation of trichloroethene transport when partitioning is made into bulk water or at the gas-water interface found that, depending on the type of unsaturated porous media used, 29-73% was retarded at the interfacial partition and 12-30% was retarded at the bulk-water partition. Phase-selective partitioning tracers may be a way to determine how effective different partitioning schemes are in retarding the flow of contaminants in the vadose zone.
Publication Name: Environmental Science & Technology
Subject: Science and technology
ISSN: 0013-936X
Year: 1997
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