A laboratory centrifuge is a vital instrument used for separating sample components by applying centrifugal force. Commonly used in medical diagnostics, biotechnology, pharmaceuticals, and chemistry, it provides accurate and efficient separation essential for research and analysis workflows.
A laboratory centrifuge spins liquid samples at high speed to separate particles or phases according to density. This process supports applications such as blood separation, DNA extraction, and cell fractionation. Equipped with fixed-angle or swing-bucket rotors, centrifuges enable precise, reproducible separations for biological, chemical, and industrial research tasks.
| Feature | Details |
|---|---|
| Speed Range | Up to 30,000 RPM depending on model |
| Relative Centrifugal Force (RCF) | Up to 70,000 × g for ultracentrifuges |
| Rotor Type | Fixed-angle and swing-bucket options |
| Capacity | From 0.5 mL microtubes to 500 mL bottles |
| Temperature Control | Refrigerated models: -20°C to +40°C |
| Display & Interface | Digital control with programmable settings |
| Safety Features | Lid lock, imbalance detection, auto shut-off |
| Aspect | Laboratory Centrifuge | Vortex Mixer |
|---|---|---|
| Function | Separates samples by density via centrifugal force | Mixes liquid samples uniformly |
| Speed Range | 1,000–30,000 RPM | Up to 3,000 RPM |
| Application | Sample separation and purification | Mixing reagents or suspensions |
| Temperature Control | Available in refrigerated models | Not applicable |
| Use Case | Diagnostics, molecular biology, chemical separation | Sample mixing and reagent blending |
Q: What is the main principle behind a laboratory centrifuge?
A: It separates components based on density by spinning samples at high speed to generate centrifugal force.
Q: Which centrifuge is best for biological samples?
A: Refrigerated centrifuges are preferred for biological and temperature-sensitive samples.
Q: What’s the difference between fixed-angle and swing-bucket rotors?
A: Fixed-angle rotors hold tubes at a constant angle for faster separation, while swing-bucket rotors allow tubes to move horizontally, ideal for gradient separations.
Q: How do I ensure centrifuge safety?
A: Always balance loads, lock the lid before operation, and never open the centrifuge while it’s spinning.
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