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Chemicals, plastics and rubber industries

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On the origin of microheterogenity: a mass spectrometric study of dimethyl sulfoxide-water binary mixture

Article Abstract:

The influence of the microscopic solvent structure of dimethyl sulfoxide-water mixture on the solvation structure of solute from a clustering point of view is studied, by using a specially designed mass spectrometric system. The propensity to the cluster formation was found nonlinearly dependent on the solvent composition, exhibiting the existence of a critical value of mixing ratios.

Science & research, Research, Solvation

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Accurate steady-state and zero-time fluorescence spectra of large molecules in solution by a first-principle computational method

Article Abstract:

The spectral simulation of coumarin C153 in cyclohexane and dimethyl sulfoxide (DMSO) as a medium sized probe to study static and dynamical solvent effects on electronic spectra is described.

Government domestic functions, Industrial organic chemicals, not elsewhere classified, Coumarin, Analysis, Social policy, Coumarins, Fluorescence spectroscopy

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Detection of negative molecular ions in acrylic acid plasma: Some implications for polymerization

Article Abstract:

The experimental evidence for large negatively charged specie in an acrylic acid plasma polymer is demonstrated by using time-averaged negative ion mass spectrometry.

Acrylic Acid, Spectra

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