Why is the manufacturing quality of a tip so important?
Tip quality can affect pipetting results in a number of ways: (A) Hydrophobic qualities – if a tip’s hydrophobic properties are diminished, it could retain liquid inside, or even retain a drop of measured liquid on the outer surface. (B) Poor quality tips may have burrs or plastic flash which do not allow the smooth release of all liquid within the tips – some of the measured volume may be trapped at the end of the tip. (C) Non-concentric tip openings to the end of the tip affect the dispensing of the contents. Some liquid may adhere due to changes in surface properties.