what are peptizing agents?
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A product that enhances dispersion of a substance (such as clay) into colloidal form. Peptizing agents for drilling-mud clays are sodium carbonate, sodium metaphosphates, sodium polyacrylates, sodium hydroxide and other water-soluble sodium compounds, even common table salt, NaCl, if added at low concentration.
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What is Peptization?
=> The process of converting precipitate into colloid by shaking it with a suitable electrolyte.
- The electrolyte which is added is called a peptizing agent.
Ex: Small amount of dilute hydrochloric acid to stannic oxide precipitate gives a stable sol of stannic oxide.
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