F. khater, S., ghazy, R., Hendawya, N., kenawy, E., Farouk Elmekawy, A., H. makled, M., R. ghazy, A. (2022). Experimental static light scattering study on the scattering parameters for Pluronic. Benha Journal of Applied Sciences, 7(5), 257-263. doi: 10.21608/bjas.2022.261444
Sabah F. khater; R. ghazy; N. Hendawya; El-Refaie kenawy; Ahmed Farouk Elmekawy; M. H. makled; Ahmed R. ghazy. "Experimental static light scattering study on the scattering parameters for Pluronic". Benha Journal of Applied Sciences, 7, 5, 2022, 257-263. doi: 10.21608/bjas.2022.261444
F. khater, S., ghazy, R., Hendawya, N., kenawy, E., Farouk Elmekawy, A., H. makled, M., R. ghazy, A. (2022). 'Experimental static light scattering study on the scattering parameters for Pluronic', Benha Journal of Applied Sciences, 7(5), pp. 257-263. doi: 10.21608/bjas.2022.261444
F. khater, S., ghazy, R., Hendawya, N., kenawy, E., Farouk Elmekawy, A., H. makled, M., R. ghazy, A. Experimental static light scattering study on the scattering parameters for Pluronic. Benha Journal of Applied Sciences, 2022; 7(5): 257-263. doi: 10.21608/bjas.2022.261444
Experimental static light scattering study on the scattering parameters for Pluronic
1Physics dept., Faculty of Science, Benha Univ., Benha, Egypt
2Physics dept., Faculty of Science, Tanta Univ., Tanta, Egypt
3chemistry dept., Faculty of Science, Tanta Univ., Tanta, Egypt
Abstract
Static light scattering from an aqueous solution of Pluronic F-108 prill has been measured over the angles range (40o to 140o) for four different concentrations (0.004, 0.006, 0,008, 0.01 gm/ml). A home build multiangle static light scattering experiment was used to calculate the Rayleigh ratio and construct the Zimm plot, which was used to calculate the radius of gyration , the second virial coefficient A2, and the molecular weight . The refractive index was measured by abbe's refractometer to calculate refractive index increment . The measured data show that the molecular weight of Pluronic F-108 prill is 14661 gm/mole, which is a medium molecular weight. The second viral coefficient is greater than zero, which means that the Pluronic F-108 prill likes the solvent (deionized water) more than itself. While the radius of gyration is 1094 nm, which is a little bit large as in an aqueous environment these block copolymers self-assemble into micelles.