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- W3132136576 abstract "A method was developed for the determination of isotopic purity (atom%D) in heavy water by infrared spectroscopic analysis. The bands due to H-O-H, H-O-D and D-O-D deformation vibration (at 1654, 1458 and 1218 cm{sup -1}, respectively) were used as the key bands. Concentration ranges and accuracies are 90{approx}10 atom%D in water and {plus minus} 0.3%, respectively. The method is simple and rapid, and requires only 20 {mu}l of sample. By measuring the IR absorption spectra due to the C=O stretching of amides in dioxane-water (H{sub 2}O, D{sub 2}O) mixtures, hydration states of amide have been studied. The H/D isotope effects on hydration were negligible for tertiary amides. On the contrary, significant and mutually opposite isotope effects were observed for primary and secondary amides. (author)." @default.
- W3132136576 created "2021-03-01" @default.
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- W3132136576 date "1990-01-01" @default.
- W3132136576 modified "2023-09-27" @default.
- W3132136576 title "IR spectral study of deuterium oxide and deuterium oxide solutions" @default.
- W3132136576 hasPublicationYear "1990" @default.
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