Centrifuge Tubes vs. Test Tubes: What’s the Difference? Kumar Jeetendra | November 4, 2023 Within a laboratory context, centrifuge tubes and test tubes have various uses and attributes. Centrifuge Tubes: Function: Centrifuge tubes are mainly made to be used in centrifuges to use centrifugal force to separate sample components. For separation, they can contain liquids, solids, or suspensions. Shape: After centrifugation, separated materials are easier to collect thanks to …