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When lyophilic sols are added to lyophobic sols, depending on their sizes, either lyophobic sol is adsorbed in the surface of lyophilic sol or lyophilic sol is adsorbed on the surface of lyophobic sol. The layer of the protective colloid prevents direct collision between the hydrophobic colloidal particles and thus prevents coagulation. [1]
The gold number is the minimum weight (in milligrams) of a protective colloid/lyophilic colloid required to prevent the coagulation of 10 ml of a standard hydro gold sol when 1 ml of a 10% sodium chloride solution is added to it. [1] It was first used by Richard Adolf Zsigmondy in 1901.
In their paper, they give many more examples of colloid systems that flocculate into an emulsoid state, either by varying the temperature, by adding salts, co-solvents or by mixing together two oppositely charged polymer colloids, and illustrate their observations with the first microscope pictures of coacervate droplets.
Urdu Science Board (abbreviated as USB) is an academic and literary institution in Pakistan that operates under the National Heritage and Culture Division, Government of Pakistan. It aims to promote scientific and technical knowledge in Urdu language through the publication of books and journals. [1]
Eight teams remain in the divisional round of the NFL playoffs, and only two wins stand in the way between each of them and an appearance in Super Bowl 59.. Four games are on the docket for the ...
Years later, Keeler claims Cleary sent her chilling messages on Facebook admitting to the sexual assault. "So I raped you,” Cleary allegedly wrote, per the affidavit.
A colloid is a mixture in which one substance consisting of microscopically dispersed insoluble particles is suspended throughout another substance. Some definitions specify that the particles must be dispersed in a liquid , [ 1 ] while others extend the definition to include substances like aerosols and gels .
Artificial intelligence is coming for your job: 41% of employers intend to downsize their workforce as AI automates certain tasks, a World Economic Forum survey showed Wednesday.