Reasons for the rupture of the laboratory centrifuge tube
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Centrifuge is a biochemical instrument that uses the centrifugal force generated during operation to quickly precipitate suspended particles in the solution. It is most commonly used in medicine, health, and epidemic prevention industries.
Practice has shown that most of the laboratory centrifuge tube rupture is related to human factors. Common problems are:
1. Samples placed in a symmetrical sleeve with an unbalanced load must be connected to the laboratory centrifuge tube together with a balance to adjust the weight to achieve balance. If only one test tube is used to put the sample, the symmetrical test tube must be balanced by adding water, otherwise the instrument will vibrate during centrifugation and the test tube will rupture. It is easy to be overlooked that the centrifuge cup with the horizontal rotor will be out of balance after long-term use or replacement, so the centrifuge cup should also be trimmed. For example, it is difficult to eliminate the failure of a centrifuge tube that has been used for more than 10 years. Later, it was found that the four centrifuge cups were too heavy, and the failure disappeared after changing the counterweight of the cup.
2. Accelerating too fast centrifugation will easily rupture the laboratory centrifuge tube.
3. The centrifuge speed is too high, exceeding the centrifugal force that the centrifuge tube can withstand, will also cause the test tube to rupture.
Post time: Oct-15-2021