three-column centrifuge --- SSC1250J
Working Principle:
When the centrifuge suspension with small particles do not move, due to the role of gravity makes the gradual sinking of suspended particles. Heavier particles, sinking faster than the liquid density contrast of small particles will go up. Particles in the gravitational field of mobile speed and particle size, shape and density, and then with the gravitational field strength and the viscosity of the liquid. Particle size as red blood cells, number of microns in diameter, can be observed in normal gravity to their settlement process.
In addition, the material in the medium with a diffusion settlement Shihai. Diffusion is unconditional and absolute. The mass diffusion and inversely proportional to the smaller particles spread more serious. The settlement is relative, conditional, subject to external forces to campaign. Settlement with the proportional weight of the object, the faster the particle the greater the settlement. Particles of less than a few microns, such as viruses or proteins, which in solution into a gel or semi-colloidal state, only the gravity is not possible to observe the settlement process. The smaller the settlement because the slower the particle, the diffusion of the more serious. , We use centrifuge have a strong centrifugal force, to compel production of these particles to overcome the proliferation of the settlement movement.
Working principle:
Structure chart
Technical parameter
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