Zobrazeno 1 - 10
of 46
pro vyhledávání: '"J P, Kratohvil"'
Autor:
J. P. Kratohvil, T. P. Wallace
Publikováno v:
Journal of Polymer Science Part C: Polymer Symposia. 25:89-98
Angular light scattering by polymer latex dispersions is used for determining the particle size distribution. The analysis consists of calculating the experimental Rayleigh ratios Vθ,v and Hθ,h for vertically and horizontally polarized components o
Publikováno v:
Applied optics. 17(13)
Autor:
Richard G. Langlois, M. A. Van Dilla, P. Hsu, Joe W. Gray, J. P. Kratohvil, D. S. Wang, A. Brunsting, M. Kerker
Publikováno v:
Cytometry. 3:71-78
Measurements and theoretical calculations of fluorescent emission from four samples of polystyrene microspheres (diameter 0.92, 1.63, 1.90 and 4.18 microns) containing the same fluorescent dye show a general dependence upon particle size, emission an
Publikováno v:
Journal of Colloid and Interface Science. 71:176-187
A light scattering method is described which permits determination of the absorption index of colloidal particles. This technique requires transmission and scattering measurements but not particle size information provided that the particles are smal
Autor:
J. P. Kratohvil
Publikováno v:
Colloid and Polymer Science. 253:251-257
The effect of preferential interactions on the buoyancy of the sedimenting particles in sedimentation velocity measurements was considered. Equations relating the sedimentation coefficient to particle mass, frictional properties, and related quantiti
Autor:
J. P. Kratohvil
Publikováno v:
Journal of Colloid and Interface Science. 75:271-275
Micellar aggregation numbers of sodium dodecyl sulfate in water and at several concentrations of sodium chloride from several recent papers and from earlier literature have been critically evaluated. The data of D. A. Doughty (J. Phys. Chem. 83, 2621
Publikováno v:
Colloid & Polymer Science. 261:781-785
Based on light scattering intensity measurements, a critical concentration for micelle formation can be assigned to sodium taurodeoxycholate in aqueous electrolyte solutions. For sodium taurocholate a progressive aggregation even at very low concentr
Publikováno v:
Journal of Colloid and Interface Science. 77:418-426
Colored colloidal spherical particles of aluminum hydroxide were prepared by aging aluminum sulfate solutions containing a chelating dye (3 Mordent Blue). The dye was incorporated in the particles and could not be removed by washing. The surface char
Autor:
M. Kerker, J. P. Kratohvil
Publikováno v:
Pure and Applied Chemistry. 55:931-941
Publikováno v:
Colloid and Polymer Science. 253:581-592
The effects of nonionic dextrans of different molecular weights on the stability of silver bromide solsin statu nascendi in aqueous solutions and watermethanol mixtures have been studied. Regardless of the molecular weight of the polymer no flocculat