Precipitation (chemistry)
Precipitation (chemistry)
Precipitation is a chemical reaction that results in the formation of an insoluble solid, known as a precipitate, from a solution. This process is a fundamental aspect of many chemical and biochemical reactions.
Pronunciation
- UK: /prɪˌsɪpɪˈteɪʃən/
- US: /prɪˌsɪpɪˈteɪʃən/
Etymology
The term 'precipitation' in chemistry comes from the Latin word 'praecipitare' which means 'to throw headlong'. It was first used in this context in the early 16th century.
Process
In a precipitation reaction, two soluble ionic compounds react in solution to form one or more insoluble products. This is often due to the formation of a product that is an insoluble salt, but can also occur through the formation of an insoluble complex or a covalently bonded substance.
Related Terms
Applications
Precipitation reactions have many applications in the chemical industry, including the purification of metals, the recovery of minerals from solution, and the preparation of pigments for paints and inks.
See Also
External links
- Medical encyclopedia article on Precipitation (chemistry)
- Wikipedia's article - Precipitation (chemistry)
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