Dorsey 1 well

The second group is made up of those who are interested in ice for its own sake—glaciologists, cloud physicists and the like— and for these I have taken the view that what is really required is an exposition of what is now generally regarded as understood and accepted about the chemical physics of ice. I have not tried to be encyclopaedic in the fashion of Dorsey s (1940) book Properties of Ordinary Water Substance but have tried, rather, to produce a connected and well-documented account of what seem to me to be the major areas of interest. 

The addition of small percentages of 1-propanol to micellar mobile phases was first recommended by Dorsey et al. [13], to enhance the chromatographic efficiency and decrease the asymmetry of chromatographic peaks. Since then, several organic solvents have been studied as modifiers in MLC. Of these, short and medium chain alcohols (z. e., methanol, ethanol, propanol and butanol) have shown to be the most suitable. Less frequent has been the use of pentanol [14, 15], Only a few rqports have appeared on the MLC behavior of solutes in the presence of other organic solvents commonly employed in conventional RPLC, such as acetonitrile [13, 16, 17], and tetrahydrofiiran [18, 19]. Micellar mobile phases allow the use of organic solvents in aqueous solution at molar concentrations well above their normal solubility limit in water alone. For example, the water solubility of pentanol is ca. 0.30 M, whereas in 0.285 M SDS micellar medimn, it increases to ca. 0.94 M [17]. 

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