supernatant$80360$ - определение. Что такое supernatant$80360$
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Что (кто) такое supernatant$80360$ - определение

CHEMICAL PROCESS LEADING TO THE SETTLING OF AN INSOLUBLE SOLID FROM A SOLUTION
Precipitate; Precipitates; Precipitation reaction; Chemical precipitation; Supernatant; Precipitating; Precipitant; Precipitation reactions; Supranate; Crash out; Supernatent; Supernate; Precipitated; Precipitants; Precipitation (geology); 🝟
  • Principle of chemical precipitation in aqueous solution
  • is displaced by]] silver from a [[silver nitrate]] solution it is dipped into, and metallic silver crystals precipitate onto the copper wire.
  • 3+}}.
  • Crystals of ''meso''-tetratolylporphyrin from a [[reflux]] of [[propionic acid]] precipitate on cooling. Photograph of the [[Büchner funnel]] on top of a [[Büchner flask]].

Supernatant         
·adj Swimming above; floating on the surface; as, oil supernatant on water.
II. Supernatant ·noun The liquid remaining after solids suspended in the liquid have been sedimented by gravity or by centrifugation. Contrasted with the solid sediment, or (in centrifugation) the pellet.
precipitate         
v. (d; tr.) to precipitate into (to precipitate a country into war)
precipitate         
¦ verb pr?'s?p?te?t
1. cause (an undesirable event) to happen unexpectedly or prematurely.
2. cause to move suddenly and with force.
(precipitate someone/thing into) send someone or something without warning into a particular state or condition.
3. Chemistry cause (a substance) to be deposited in solid form from a solution.
cause (drops of moisture or particles of dust) to be deposited from the atmosphere or from a vapour or suspension.
¦ adjective pr?'s?p?t?t done, acting, or occurring suddenly or without careful consideration.
¦ noun pr?'s?p?t?t, -te?t Chemistry a substance precipitated from a solution.
Derivatives
precipitable adjective
precipitately adverb
precipitateness noun
precipitator noun
Origin
C16 (orig. 'hurl down, send violently', later 'cause to move rapidly'): from L. praecipitat-, praecipitare 'throw headlong', from praeceps, praecip(it)- 'headlong', from prae 'before' + caput 'head'.

Википедия

Precipitation (chemistry)

In an aqueous solution, precipitation is the process of transforming a dissolved substance into an insoluble solid from a super-saturated solution. The solid formed is called the precipitate. In case of an inorganic chemical reaction leading to precipitation, the chemical reagent causing the solid to form is called the precipitant.

The clear liquid remaining above the precipitated or the centrifuged solid phase is also called the 'supernate' or 'supernatant'.

The notion of precipitation can also be extended to other domains of chemistry (organic chemistry and biochemistry) and even be applied to the solid phases (e.g., metallurgy and alloys) when solid impurities segregate from a solid phase.