PEPTIZATION Meaning and
Definition
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Peptization refers to the process by which solid particles are dispersed or disaggregated into individual colloidal particles in a liquid medium through the addition of a dispersing agent known as a peptizing agent. The term is commonly used in the field of colloid chemistry.
When a solid substance is poorly soluble or insoluble in a liquid, it tends to aggregate and form larger particles that settle down due to gravity. Peptization occurs when a suitable peptizing agent is added to the mixture, causing the solid particles to become charged and repel each other. This electrostatic repulsion prevents aggregation and allows the solid particles to disperse uniformly throughout the liquid, forming a stable colloid.
Peptization is often facilitated by the action of adsorption, where the peptizing agent molecules adhere to the surface of the solid particles, forming a protective layer that prevents re-aggregation. Common peptizing agents include surfactants, organic or inorganic acids, bases, or salts, which possess the ability to alter the surface charge of the solid particles and facilitate their dispersion.
The process of peptization has numerous practical applications. It is employed in industries such as pharmaceuticals, ceramics, paints, and ink manufacturing, as well as in scientific research. Peptization allows for the production of colloidal materials with desirable properties, such as increased stability, improved reactivity, and enhanced homogeneity, which are crucial in various technological and scientific applications.
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In colloid chemistry, an increase in the degree of dispersion, tending toward a uniform distribution of the dispersed phase; the formation of a sol from a gel.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Common Misspellings for PEPTIZATION
Etymology of PEPTIZATION
The word "peptization" is derived from the Greek word "peptós", which means "digested" or "cooked". It is combined with the suffix "-ization", which is used to create nouns indicating a process or action. Thus, "peptization" refers to the process of breaking down or dispersing a solid substance into small particles or colloidal suspensions, simulating the digestion process.
Similar spelling words for PEPTIZATION
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