High speed refrigerated centrifuge choice

High speed refrigerated centrifuge choice

How to buy high speed refrigerated centrifuge, there are many high speed refrigerated centrifuge choices need to pay attention to place, in addition to the attention of centrifuge price, procurement staff also need to study from the following two aspects, first to determine the freezing speed centrifuge:
High speed refrigerated centrifuge need to pay attention to the same host Is it right? Highest speed and the rotor speed, the general said the maximum speed of host is refers to the host in the no-load or rotor with a capacity is very small when the machine can achieve speed, with the increasing of rotor capacity, speed decreases, so in the choice of centrifuge, the maximum speed to ask when the rotor can meet the test requirements. Then is to determine the rotor capacity, centrifugal force, temperature control and other issues.
Finally is the high speed refrigerated centrifuge centrifuge price problem, price is not the lower the better, we're looking for is the highest price. Centrifuge components are mainly the centrifuge rotor and centrifuge tube, then according to the centrifuge two component selection, by way of understanding:
The selection of a head, high speed refrigerated centrifuge
The 1 most commonly used in centrifugal turned angle head and horizontal head.
Angle headers are commonly used for the separation of S (differential centrifugation sedimentation coefficient) value of difference (1:10) of the samples.
2 level headers are commonly used for density gradient or density gradient centrifugation.
Otherwise a vertical rotor using less, the head is mainly used for density gradient centrifugation, to shorten the time of centrifugal.
Two, high speed refrigerated centrifuge centrifuge tube selection
1 glass centrifuge tubes must not be used in high, overspeed centrifuge.
2 PA pipe: chemical stability, translucent, high temperature disinfection.
3 PP pipe: chemical stability, translucent, high temperature disinfection.
4 PC pipe: good transparency, high hardness, high temperature disinfection. But no resistance to acid and alkali and some organic solvents. Mainly used for 50000 RPM above centrifugal.
5 CN pipe: soft texture, transparent, but not resistant to strong acid and alkali and some organic solvent, not high pressure disinfection. Suitable for sucrose, glycerol density gradient centrifugation. Should be transparent, is convenient to collect.

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