Traditional Culture Encyclopedia - Traditional culture - In the production of life where the use of precipitation transformation
In the production of life where the use of precipitation transformation
Examples of precipitation transformations used in production life: boiler descaling, boiler calcium sulfate precipitation, usually add sodium carbonate solution soaking, due to the solubility of calcium carbonate is less than calcium sulfate, the calcium sulfate into calcium carbonate precipitation, and then use hydrochloric acid to remove calcium carbonate.
The principle of precipitation transformation is the capacitance product rule, the generation of precipitation, dissolution, transformation are to comply with this rule: in the solution, the ions can produce precipitation precipitation precipitation, can be through the corresponding ions of the actual concentration of the product of Qc and its solubility product constant Ksp compared to make a judgment.
Expansion of Knowledge
The process of producing a separable solid phase from a liquid phase, or the precipitation of an insoluble substance from a supersaturated solution. Precipitation denotes the process of formation of a new condensed phase, or the deposition of certain ions as insoluble compounds due to the addition of a precipitating agent. The chemical reaction that produces precipitation is called a precipitation reaction.
Precipitation is carried out in a hot, concentrated solution with the addition of a large amount of electrolyte to accelerate the coalescence of precipitated particles and prevent the formation of a colloidal solution. When precipitation is complete, it is filtered immediately and does not need to be aged.
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