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Extraction (2020)  

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Extraction of organic substances in chemical synthesis is a step of chemical synthesis, in which a solvent is separated from an inactive matrix. Common examples are solid-solid extraction, liquid-liquid separation and fluid-phase extraction. The separation of an organic substance into two phases is known as phase equilibrium. In solid-solid extraction, the solvents are combined in a solvent-solvent mixtures and then separated through the solvent's adsorption on the solute. In liquid-liquid separation, solvent is separated from the solvent-solvent mixtures through a series of extraction steps, where the solvents are mixed together in a solvent-solvent mixtures and then separated by their adsorption on the solvent.

The liquid-liquid separation involves mixing a solvent-solvent mixture with a solvent in such a way that the solvents are mixed in proportion to their solubility. Solvent-solvent mixtures contain higher concentration of solvent than solvent mixtures; solvent-solvent mixtures also contains the solvent but with lower percentage than solvents in solvent mixtures. In solid-solid separation, the solvent-solvent mixtures are heated under pressure and then cooled by allowing the solvents to mix in equal amount of solvent. Solvent-solvent mixtures have higher percentage of solvent than solvents in solvent mixtures.

In fluid-phase extraction, solvents are separated by means of vacuum under pressure. Solvents are forced into the vacuum chamber through a pump, at the same time as the solvent is pumped into the solvent chamber. The solvents are then forced into the vacuum chamber, where they are separated by high velocity of vacuum, as they pass through the vacuum tube. The solvents are then separated into two groups, the solvent molecules, which are mixed with the solvent and evaporated, and the solvent molecules, which are left behind after the solvent has evaporated. The solvent molecules are called the solvent-solvent mixtures.

The solvents-solvent mixtures are separated into two groups, the solvent molecules, which are left behind after solvent has evaporated, and the solvent-solvent mixtures, which are left behind after solvent molecules have evaporated. The solvent molecules are left behind after solvent molecules have evaporated. As the solvent molecules are left behind, solvent-solvent mixtures are created.

As solvants are extracted from solvents, they undergo a series of processes which is called solvation, which helps them to become soluble in water; the solvent-solvent mixtures are soluble in water; the solvent-solvent mixtures become hydrophilic (water-fearing) and hydrophobic (water-repelling). solvents that have been purified in this way can be used for further chemical synthesis as solvents. Solvents are purified in this way, by adding a concentration of salt (or a mixture of aqueous solutions and water) or an organic solvent.

There are two major types of extractions used in chemical synthesis: subcritical and supercritical. In subcritical extractions, solvents are heated to a temperature where they become soluble in water. In supercritical extractions, solvents are heated so that they become insoluble in water. Solvents are heated so that they become soluble in water. Both subcritical and supercritical extractions can be performed in solvents, although subcritical methods are usually more expensive.




 
Rating: 8.3  | IMDb
Genres: Action , Drama , Thriller  | Duration: 116 min  | Year: 2020

Average: 8.3 / 10 (4466 votes)
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