colloidal solutions
[kuh-LOY-dul suh-LOO-shunz]
nounpl: colloidal solutions
soluções coloidais
1. Homogeneous mixtures in which particles of one substance are dispersed throughout another substance, with particle sizes between 1 and 1000 nanometers, creating a system that appears uniform but contains distinct dispersed phases
Milk is a colloidal solution containing fat globules dispersed in water.
O leite é uma solução coloidal contendo glóbulos de gordura dispersos em água.
2. Solutions that exhibit properties intermediate between true solutions and suspensions, often showing the Tyndall effect when light passes through them
Colloidal solutions are widely used in pharmaceutical and cosmetic industries.
As soluções coloidais são amplamente utilizadas nas indústrias farmacêutica e cosmética.
3. Dispersions where the solute particles do not dissolve completely but remain suspended in the solvent, maintaining a specific size range
Blood is a complex colloidal solution containing proteins and blood cells.
O sangue é uma solução coloidal complexa contendo proteínas e células sanguíneas.
This is a technical scientific term used universally in educational and professional chemistry contexts in both Brazil and the United States. There are no significant regional or cultural variations in usage, as it is a standardized term in chemistry. The concept is taught in high school and university chemistry courses in both countries and is essential terminology for professionals in pharmaceutical, food science, and materials engineering industries.
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