Centrifugation

Centrifugation is a method that is used to separate heterogeneous mixtures. This method is based on the use of centrifugal force, which occurs when a vessel containing a liquid or suspension rotates. A centrifuge consists of a rotating rotor that contains vessels containing liquid. When the rotor rotates, centrifugal force causes particles with a higher density to sink to the bottom of the vessel, and particles of lower density to rise to its surface. Thus, the mixture can be divided into two layers: the upper layer contains particles of lower density, and the lower layer contains particles of higher density.

Centrifugation is used in various fields of science and technology, including biology, chemistry, medicine, industry and many others. For example, in biology, centrifuges are used to separate blood cells into red and white blood cells, which makes it possible to diagnose various diseases. In chemistry, centrifuges are used to separate emulsions and suspensions, as well as to purify and concentrate various substances. In industry, centrifuges are used to treat wastewater and separate solids from liquids.

One of the main advantages of centrifugation is its high efficiency and speed of separation. In addition, this method allows you to obtain clean and homogeneous samples, which is especially important in scientific research and medical practice. However, centrifuges also have some disadvantages, such as high cost and the need for qualified personnel for proper operation.

In conclusion, we can say that centrifugation is an important method for separating heterogeneous mixtures and is widely used in various fields of science and technology. This method has several advantages, such as high efficiency and purity of the resulting samples, but also requires qualified personnel and high equipment costs.

Hello! Today I would like to tell you about such an important method as centrifugation. This method is widely used in biology, chemistry, medicine and other fields of science. It allows you to separate different components in a mixture by quickly rotating the rotor at a given speed. All this happens due to centrifugal forces, which are directed in the radial direction from the axis of rotation.

Centrifugation appeared in the 19th century. It was invented by Russian physicist Ivan Petrovich Pavlov. However, it took a long time in scientific circles before this method began to be used in laboratory conditions. From there, everything changed, and centrifuges have now become an indispensable tool for solving many problems in both scientific research and clinical trials.

One of the first uses of the centrifuge was to determine the mechanical properties of various particles. This helped researchers determine, for example, the relationship between particle sizes and their density. Soon, centrifuges were used to separate liquids from solids. Later, devices operating on this principle were used to separate solutions and mixtures in general.

Today there are many types of centrifuges. Their applications are varied, but we can highlight some of them:

1. Decanting the mixture - the mixture is separated into two parts by slowly turning and rotating the centrifuge. 2. Hydromembranization - This method involves rapid rotation of the device and very low pressure. This solution helps to obtain better results in separating a mixture of hydrophobic and hydrophilic particles. 3. Autoradiation centrifugation is a type of centrifugal method that is used to analyze biological samples for radioactivity. 4. Diepylcritical centrifugal division is a method that allows the separation of white blood cells into their individual groups. 5. Continuous Centrifugal Automatic Control and Optimization is an innovative method for separating a mixture and measuring its individual components in real time. 6. Sedimentation rotor and filters - This method relies on filtration to separate large molecules from small ones. 7. Drying or saponification