Positive Displacement Pipette – Principle, Procedure, Applications, Advantages

Positive Displacement Pipette - Principle, Procedure, Applications, Advantages

Positive displacement pipettes are characterised by piston-driven displacement. The piston in a positive displacement pipette makes direct contact with the sample, which allows the aspiration force to remain constant. Air displacement pipettes accurately dispense the majority of liquids. However, the precision may be affected negatively by the solution’s viscosity, volatility, surface tension, and temperature. For … Read more

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