Development of new chromatographic methods for the study of exchange of pollutants between the atmosphere and the water environment

Abstract

C Evaporation of liquids 13.1 Introduction 13.2 Determination of rate coefficients for the evaporation of ethanol and 1,1,1 trichloroethane into carrier gas, under the influence of various monolayer thicknesses of Triton X-100 13.3 Determination of rate coefficients for the evaporation of ethanol and 1,1,1 trichloroethane into carrier gas, under the influence of different free surface areas of the liquid 174 ΧΉ CONCLUSIONS 177 A Diffusion of a gas into pure gases and gas mixtures 1 Determination of diffusion coefficients of analyte gases(CO,CC>2) into pure gases(H2,He) and mixtures of these gases with various percentage composition 2 Estimation of the composition of binary gas mixtures 177 Β Transport of a gas into a liquid phase 179 1 Determination of mass transfer coefficients of gases in liquids and of distribution coefficients of gases at the gas-liquid interface 179 2 Determination of diffusion coefficients of gases into liquids, of partition coefficients of gases between liquids(at the interface and the bulk) and gases, of overall mass transfer coefficients of gases in the carrier gas and liquid, of gas and liquid film transfer coefficients of gases, of gas and liquid phase resistances for the transfer of gases into liquids and of thicknesses of stagnant film in the liquid phase, according to the two-film theory of Whitman 180 (a) Transfer of vinyl chloride into the water body (b) Effects of surfactants on the interaction of vinyl chloride with . 0 . loi water C Evaporation of liquids 182 1 Determination of rate coefficients for the evaporation of ethanol and 1,1,1 trichloroethane into carrier gas under the influence of various monolayer thicknesses of Triton X-100 2 Determination of rate coefficients for the evaporation of ethanol and 1,1,1 trichloroethane into carrier gas under the influence of different free surface areas of the liquid