WebLyophilic sol: 1) No affinity between dispersed phase and dispersion medium. 1) There are force of attraction between dispersed phase and dispersion medium: 2) They are prepared by indirect method Ex- electro dispersion: 2) They are easily prepared by shaking dispersed phase with dispersion medium. 3) There are irreversible sol: 3) These are ... WebIn lyophilic sols, the dispersed phase particles have great affinity (or love) for the dispersion medium. These sols are reversible. Examples include gum, gelatin, starch, …
Gold sol is hydrophobic and multimolecular
WebGold number is the minimum amount of protective/lyophilic colloid in milligrams which prevents the flocculation of 10ml gold sol by the addition of 1 ml of 10%NaCl solution. Reciprocal of gold number indicates the protective power of a colloid . WebIn lyophilic sols, the dispersed phase particles have great affinity (or love) for the dispersion medium. These sols are reversible. Examples include gum, gelatin, starch, proteins and rubber etc. ... These sols are irreversible. Examples include solutions of metals such as gold and silver, metal hydroxides and metal sulphides. mhb150-48s12
Preparation of Lyophilic and Lyophobic Sols (Procedure) : Class 12 ...
WebApr 20, 2024 · The power of protection of lyophilic sols is measured in terms of Gold number. The number of milligrams of lyophilic colloid that will just prevent the precipitation of 10 ml of gold sol on the addition of 1 ml of 10% sodium chloride solution is a gold number. This number was introduced by Zsigmondy. WebOct 3, 2024 · Esta página muestra las horas de salida y puesta del sol en The Salvation Army Lighthouse Recovery Center, Corsair Avenue Tiyan GU, Fawn Creek, KS, EE. … WebLyophobic sols are less stable than lyophilic colloid. Hence they are more easily coagulated. The stability of lyophobic sol is only due to the charge on the colloidal particles. This factor can be removed by adding only electrolytes. This was just a brief layout of the coagulation of lyophilic and lyophobic colloids. mhb150-48s24