Solvent extraction is an intricate and beneficial process that results in a variety of products. Whether it brings about vanilla or hemp oil, this task is valued and practiced by many industries. However, for such a useful procedure, you may wonder how it can be performed. Two common methods of this process are the Soxhlet method and the Bligh and Dyers method.
Soxhlet
This technique utilizes thermal energy to heat the solvent to a boiling temperature. It also is performed to ensure that the solvent in use and the sample being used are in intimate contact. If these two components were to separate, the method would fall apart and not be effective. A final component to note is that this method takes as few materials as possible. The consumed amount of the chemical in use and the other raw materials it entwines with is reduced. This reduction is due to most of the extracted coming from natural raw materials such as fruits and specifically berries.
This type of process for separation can involve some of but is not limited to the following chemicals:
- Ethanol
- Acetone
- Hexane
- Dichloromethane
Although acetone and hexane are used as additions (in combination with another solvent) they all possess similar qualities that make them ideal for this particular method.
Bligh and Dyers
This technique utilizes a certain chemical to extract lipids. These lipids are extracted from homogenized cell suspension- where cells break down into similar cells, This method is only used for lipids and ensures equilibrium in their distribution.
This type of process for separation can involve some of but is not limited to the following chemicals:
- Chloroform
- Methanol
- Ethyl Acetate
- Pure Dichloromethane (DCM)
Looking To Learn More About Extraction?
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