Abstract
Measurements have been made of the magneto-optical rotations at 435.8 nm of binary liquid mixtures of water with dimethylsulphoxide, formamide, methyl formamide, dimethyl formamide and acetonitrile as part of a study to investigate the applicability of the magneto-optical method in detecting weak molecular interactions in liquid mixtures. The departure from ideality of the mixtures was treated in terms of an excess magnetic rotation, αE. For mixtures of water with dimethylsulphoxide, formamide, methyl formamide and dimethyl formamide the values of αE indicated interaction between the components, whereas with acetonitrile the αE values were compatible with a breakdown of the water structure in the mixtures.
Published Version
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