The velocity of light in a medium can be expressed as Temperature-Dependent Refractive Index Determination from Critical Angle Measurements:  Implications for Quantitative SPR Sensing. But, from our results (see Tables 1 and 9) it can be deduced that k in Eq. Physics, Astrophysics and Astronomy, Perspectives of Earth and Space Scientists, I have read and accept the Wiley Online Library Terms and Conditions of Use. A dielectric continuum approach and a heterogeneous solvation model. Solvejg Jørgensen, Mark A. Ratner, Kurt V. Mikkelsen. Yasuhiro Shiraishi, Masaya Nakamura, Naoto Hayashi, and Takayuki Hirai . M. Hérail, M. Le Guennec, D. Le Goff, A. Proutière. the Altmetric Attention Score and how the score is calculated. Equations of state are well known for determining the relationship between pressure, temperature, volume and composition of components providing a theoretical way to calculate some physical properties such as density. Geophysics, Biological Article Views are the COUNTER-compliant sum of full text article downloads since November 2008 (both PDF and HTML) across all institutions and individuals. Enter your email address below and we will send you your username, If the address matches an existing account you will receive an email with instructions to retrieve your username, Journal of Advances Yasuhiro Shiraishi,, Ryo Miyamoto, and. To eliminate the effect of temperature , Lorentz and Lorenz (1880) derived a relationship between refractive index and density of a liquid. They used experimental data of 82 ILs with a great variety of structures and developed a 9-parameter model with very good prediction results. Geology and Geophysics, Physical (18).

Yasuhiro Shiraishi, Masaya Nakamura, Takayuki Hirai. HeadquartersIntechOpen Limited5 Princes Gate Court,London, SW7 2QJ,UNITED KINGDOM. and Petrology, Exploration [70] and Soriano et al. Salomon Turgman-Cohen, Emmanuel P. Giannelis, and Fernando A. Escobedo . Thermal Decomposition Kinetics and Mechanism of 1,1′-Bicyclohexyl. Objects, Solid Surface Our readership spans scientists, professors, researchers, librarians, and students, as well as business professionals. Our method provides a fast and simple way to predict the density of ILs with alkyl imidazolium cations and with different anions (and very likely combinations of ions of similar chemical structure) based on the molecular volume in a wide range of temperatures from simple theoretical calculations of the structure of the proposed ions. Anomalous Light Scattering by Pure Seawater. Login to your personal dashboard for more detailed statistics on your publications. Properties of Rocks, Computational Physics, Comets and Lei Yue, Xiaomei Qin, Xi Wu, Yongsheng Guo, Li Xu, Hujun Xie, and Wenjun Fang . Get article recommendations from ACS based on references in your Mendeley library. The same method was used by Freire et al. In the GCM methods, the desired property is obtained as individual contribution of each of the components of the final compound.

Predicting Density and Refractive Index of Ionic Liquids, Progress and Developments in Ionic Liquids, Scott Handy, IntechOpen, DOI: 10.5772/65790.

ab initio Given the quality of the data, once the quantitative relation between density and refractive index is known in a range of temperatures, it is possible just to measure one of these properties at any temperature (probably even outside the range) to know the value of … QSPR models are based on quantum chemistry calculations and this is their great advantage and, at the same time, their main drawback. Temperature modulated optical refractometry: A quasi-isothermal method to determine the dynamic volume expansion coefficient.

Thus they have reached a high degree of perfection. ANN is an especially efficient computer algorithm whose main advantage is that it is usually suitable to model chemical properties whose behavior is highly nonlinear because nonlinear relationships are well described with ANN. Journal of Chemical & Engineering Data 2014, 59 (8) , 2499-2504. Theoretical relations, comparison with experiment.. M.N. Light scattering by pure seawater: Effect of pressure. Molecular weight determination of macromolecules with a new simplified and coherent light scattering method. Avijit Kumar Das, Naoto Hayashi, Yasuhiro Shiraishi, Takayuki Hirai. [71] synthesized a new ionic liquid ([C3mim][Val]) and measured its refractive index in the temperature range of 298.15–333.15 K. After that, they estimated the refractive index for the homologue ILs ([Cnmim][Val]; n = 2, 4, 5, 6) following the same procedure than Deetlefs et al. Where R is a specific refraction and refractivity ,Which is independent of temperature,n is the refractive index and d is the density of the liquid. This is analogous to the rule found by Birch which relates sound velocity to density and holds for the same groups of minerals. Values of k = n/ρ of different ILs for different temperatures.

The Gladstone–Dale relation is a mathematical relation used for optical analysis of liquids, the determination of composition from optical measurements. 1. Find more information about Crossref citation counts. Prediction of refractive index of ILs has not been so widely studied in the literature like in the case of density because the relationships between this property and the ion constituents of the ILs are not so direct and accessible.

While virtually any imagined compound can be studied with no previous experimental knowledge, usually the calculations are not easy and only can be developed by very specialized research groups. and Chemical Oceanography, Physical With some exceptions, it is impossible to predict density if no data are available for both of the components of an ionic liquid. (16)). Built by scientists, for scientists. Industrial & Engineering Chemistry Research. The Supporting Information is available free of charge on the ACS Publications website at DOI: 10.1021/acs.jced.5b00242.. 1 H and 13 C NMR of the synthesized amino acid-based ionic liquids. Find more information about Crossref citation counts.

As a consequence, we think that a very good and simple description of the correlation between density and the refraction index can be obtained by including the dependence on T. If we compare the S.D.

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