Density, refractive index, and specific refraction of aqueous lithium iodate solutions

Szewczyk, J.; Sangwal, K.

doi:10.1021/je00054a009

Cited by 12 publications

(4 citation statements)

References 4 publications

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“…Data on the physical properties of concentrated aqueous solutions of various compounds are useful in monitoring a crystal growth run and provide information about the nature of entities (ions, molecules, or large clusters) involved during growth (Mullin, 1972;Sangwal, 1994;Fredericks et al, 1994). However, the available experimental data mainly deal with low concentrations (Szewczyk et al, 1988;So ¨hnel and Novotny, 1985;So ¨hnel et al, 1984), and data for superaturated solutions are sparse (Khamskii, 1975;Szewczyk et al, 1985).…”

Section: Introductionmentioning

confidence: 99%

Density and Viscosity of Undersaturated, Saturated, and Supersaturated Aqueous Ammonium Oxalate Solutions from 287 K to 325 K

2000

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Experimental data on the density, d, and viscosity, η, of ammonium oxalate aqueous solutions in the range of undersaturation and supersaturation are reported for solutions of saturation concentrations, c s , between 0.36 M and 0.75 M. It was found that the temperature dependence of d for solutions of different saturation concentrations may be described by a first-order equation while that of η may be described by an Arrhenius-type relation. Moreover, for solutions of particular saturation concentrations, c s , both d and η linearly increase with supersaturation.

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Section: Introductionmentioning

confidence: 99%

Density and Viscosity of Undersaturated, Saturated, and Supersaturated Aqueous Ammonium Oxalate Solutions from 287 K to 325 K

2000

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“…Density and refractive index are among the properties frequently used for controlling solution supersaturation during a growth run. Consequently, investigation of the physical properties of solutions is an area of continued interest (Ananikyan et al, 1985;Szewczyk and Sangwal, 1988;Fredericks et al, 1994).…”

Section: Introductionmentioning

confidence: 99%

Density, Surface Tension, and Refractive Index of Aqueous Ammonium Oxalate Solutions from 293 K to 333 K

1998

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Density d, surface tension γ, and refractive index n of ammonium oxalate aqueous solutions of concentrations up to saturation have been measured in the temperature range between 293 K and 333 K. The results of d, γ, and n are fitted as functions of solution concentration. It was found that the first- and second-order equations relating these quantities with solution concentration can satisfactorily be used to describe the data.

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“…Solution-based extrapolation of n from a component in a mixture is most commonly calculated using the component’s volume fraction or density (eq ). , Because the densities of xanthommatin and DC xanthommatin are unknown, their n was instead calculated using a mass fraction analysis and their experimentally determined solution RI (see details in the Experimental Section). We found that the pigments have an n of 1.92 ± 0.11 ( N = 5 samples).…”

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confidence: 99%

Color Richness in Cephalopod Chromatophores Originating from High Refractive Index Biomolecules

Dinneen

Osgood

Greenslade

et al. 2016

J. Phys. Chem. Lett.

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Cephalopods are arguably one of the most photonically sophisticated marine animals, as they can rapidly adapt their dermal color and texture to their surroundings using both structural and pigmentary coloration. Their chromatophore organs facilitate this process, but the molecular mechanism potentiating color change is not well understood. We hypothesize that the pigments, which are localized within nanostructured granules in the chromatophore, enhance the scattering of light within the dermal tissue. To test this, we extracted the phenoxazone-based pigments from the chromatophore and extrapolated their complex refractive index (RI) from experimentally determined real and approximated imaginary portions of the RI. Mie theory was used to calculate the absorbance and scattering cross sections (cm/particle) across a broad diameter range at λ = 589 nm. We observed that the pigments were more likely to scatter attenuated light than absorb it and that these characteristics may contribute to the color richness of cephalopods.

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Density, refractive index, and specific refraction of aqueous lithium iodate solutions

Cited by 12 publications

References 4 publications

Density and Viscosity of Undersaturated, Saturated, and Supersaturated Aqueous Ammonium Oxalate Solutions from 287 K to 325 K

Density and Viscosity of Undersaturated, Saturated, and Supersaturated Aqueous Ammonium Oxalate Solutions from 287 K to 325 K

Density, Surface Tension, and Refractive Index of Aqueous Ammonium Oxalate Solutions from 293 K to 333 K

Color Richness in Cephalopod Chromatophores Originating from High Refractive Index Biomolecules

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