The centrifuge tube is a commonly used experimental apparatus, which is mainly used for the stratification and separation of liquid components in the tube. Centrifuge tubes can be classified in many ways, such as large-capacity centrifuge tubes, small-capacity centrifuge tubes, and microcentrifuge tubes according to different capacities, and glass centrifuge tubes, plastic centrifuge tubes, steel centrifuge tubes, etc.
All plastic centrifuge tubes have caps, and the caps must be tightly closed to prevent liquid leakage.
The role of the cap:
1. When used for radioactive or highly corrosive samples, prevent sample leakage.
2. Prevent the sample from volatilizing.
3. Support the centrifuge tube to prevent deformation of the centrifuge tube.
Most of the centrifuge tubes are equipped with a tube cover. If the compatibility between the tube cover and the centrifuge tube is poor and the sealing is not strict, it is easy to cause the liquid in the centrifuge tube to overflow and leak, corrode the centrifuge, and affect its service life. For liquids containing volatile components, it is also easy to cause the loss of volatile components, which will affect the content of each component in the centrifuge tube, thereby causing deviations in the experimental results. Therefore, there should be a good seal between the cap and the centrifuge tube. The sealing performance of the centrifuge tube is an important factor affecting whether the test can be carried out smoothly and the accuracy of the test results.
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