Search results
Results from the WOW.Com Content Network
Creaming, in the laboratory sense, is the migration of the dispersed phase of an emulsion under the influence of buoyancy. The particles float upwards or sink depending on how large they are and density compared to the continuous phase as well as how viscous or how thixotropic the continuous phase might be.
Emulsion stability refers to the ability of an emulsion to resist change in its properties over time. [ 12 ] [ 13 ] There are four types of instability in emulsions: flocculation , coalescence , creaming / sedimentation , and Ostwald ripening .
Creaming, when the dispersed phase is less dense than the continuous phase (e.g. milk, cosmetic cream, soft drinks, etc.) Sedimentation, when the dispersed phase is denser than the continuous phase (e.g. ink, CMP slurries, paint, etc.) Particle size increase phenomena: whereby the size of the dispersed phase (drops, particles, bubbles) increases
The density of the dispersed and continuous phases, as well as the viscosity of the continuous phase, greatly affect the creaming process. If the dispersed phase liquid is less dense than the continuous phase liquid, creaming is more likely to occur. Also, there is a greater chance of creaming at lower viscosities of the continuous phase liquid.
The stability of particles, colloidal or otherwise, is most commonly evaluated in terms of zeta potential. This parameter provides a readily quantifiable measure of interparticle repulsion, which is the key inhibitor of particle aggregation.
Multiple fires raging across the Los Angeles area will cost insurers as much as $30 billion, Wells Fargo and Goldman Sachs estimated in a report released this week. The ongoing fires, according to ...
MINEOLA, N.Y. — A Republican official who oversees Nassau County on New York's Long Island has seemingly refused to lower flags to half-staff in memory of the late Democratic President Jimmy ...
Certainly, there are some food items and recipes you want to avoid cooking in a cast-iron skillet. Enameled cast iron, however, is unique, and cooks are fond of it for its versatility, which is ...