On the nature of relaxation processes in dilute water-glycerol solutions

Chechko, V. E.; Gotsulskiy, V.Ya.; Zaremba, V.G.

doi:10.1016/s0167-7322(03)00055-2

Cited by 16 publications

(22 citation statements)

References 3 publications

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“…The concentration at which there was the standard deviation maximum is close to the values obtained in the work [14]. It is well known that thermodynamic equilibrium in the water-glycerol solution is achieved for a very long time compared with the characteristic molecular times and, depending on the concentration, can vary from hours to days [6,14].…”

Section: Resultssupporting

confidence: 85%

“…According to [14] in the water-alcohol solutions at Advances in Optical Technologies low concentrations, there is an additional maximum of light scattering, nature of which is still not completely clear.…”

Section: Resultsmentioning

confidence: 99%

“…It is well known that thermodynamic equilibrium in the water-glycerol solution is achieved for a very long time compared with the characteristic molecular times and, depending on the concentration, can vary from hours to days [6,14]. At the same time, dependence of the light scattering signal can have complex, sometimes, oscillatory behavior [6,14].…”

Section: Resultsmentioning

confidence: 99%

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Low-Frequency Raman Spectroscopic Monitoring of Supramolecular Structure in H-Bonded Liquids

Kuzkova

Yakunov

Bilyi

2014

Advances in Optical Technologies

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Effective density of vibrational states in H-bonded liquids was measured by Raman scattering method. Actuality of a low-frequency part of the spectrum of the intermediate (fracton) region, which obeys a power law, indicates the correct application of the percolation model. The dependence of exponent on binary solutions concentration has been studied. Existence of correlation of the fractal structure parameter and dynamic viscosity has been noted.

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Section: Resultssupporting

confidence: 85%

Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

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Low-Frequency Raman Spectroscopic Monitoring of Supramolecular Structure in H-Bonded Liquids

Kuzkova

Yakunov

Bilyi

2014

Advances in Optical Technologies

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“…A stationary value of the light scattering intensity was observed in our experiments in a few hours after the solution preparation. For the sake of comparison, the same process of attaining the light scattering equilibrium in aqueous glycerol solutions takes about 24 h [25]. The same and longer time intervals were observed for non-aqueous alcohol solutions [13] and aqueous solutions of more complex substances [26].…”

Section: Possible Origins Of the Anomalous Peakmentioning

confidence: 62%

Anomalous Light Scattering in Aqueous KCl Solutions

Chechko¹,

Gotsulsky²

2018

Ukr. J. Phys.

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ANOMALOUS LIGHT SCATTERING IN AQUEOUS KCl SOLUTIONSMolecular light scattering in dilute aqueous potassium chloride solutions has been studied. Anomalous (additional) molecular scattering of light is experimentally detected in the concentration interval from 0.001 to 0.004 mole fractions of the electrolyte. The obtained data are compared with the literature data on light scattering in aqueous and non-aqueous solutions of potassium chloride. The absence of additional scattering in the previous works was substantiated. K e y w o r d s: light scattering, water, solutions, electrolytes.

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“…This has been demonstrated by measuring the characteristic times of collective motions of micro-inhomogeneities with a correlation spectroscopy technique [7][8][9]. Consequently, one cannot ensure that the concentration at each point of the solution can be found when basing only on the calculations of the mutual diffusion.…”

Section: The Essence Of the Methodsmentioning

confidence: 99%

Determination of characteristics of anomalous light scattering in the gradient solutions using electronic speckle-pattern interferometry control of concentration distribution

Булавин¹,

Gotsulskiy²,

Popov³

2014

Ukr. J. Phys. Opt.

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Abstract. We suggest a method for monitoring concentration dependences of the light scattering occurring in gradient solutions prepared by diffusion in the gravitational field. In this method, an electronic speckle-pattern interferometry (ESPI) approach is employed for non-contact measurements of spatial distribution of the solution concentrations. The method is applied to water-glycerol solutions. It has enabled us to study, in a simple way, the anomalous scattering peaks hardly observable with common techniques. The data obtained using our method are well reproducible and reliable.

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On the nature of relaxation processes in dilute water-glycerol solutions

Cited by 16 publications

References 3 publications

Low-Frequency Raman Spectroscopic Monitoring of Supramolecular Structure in H-Bonded Liquids

Low-Frequency Raman Spectroscopic Monitoring of Supramolecular Structure in H-Bonded Liquids

Anomalous Light Scattering in Aqueous KCl Solutions

Determination of characteristics of anomalous light scattering in the gradient solutions using electronic speckle-pattern interferometry control of concentration distribution

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