Materials and Safety: Most are disposable plastic pipettes, which must be non-toxic and possess good biocompatibility to prevent sample contamination. For instance, polyethylene is transparent and flexible, making it suitable for routine applications; however, for procedures requiring high-temperature or chemical resistance, polypropylene or glass materials should be considered.
Graduation and Precision: Clear, abrasion-resistant graduation marks are essential; fine subdivisions-such as 0.1 mL increments-facilitate precise operations, such as sample addition or dilution. High-precision products are typically calibrated and feature low tolerance values (e.g., ±0.05 mL).
Sterilization and Packaging: Many applications require a sterile environment; consequently, products may be sterilized via gamma irradiation or ethylene oxide treatment and are often provided in individual packaging (e.g., paper-plastic pouches) to prevent contamination. Non-sterile versions are suitable for general laboratory experiments.
Application Scenarios: These pipettes are widely utilized in fields such as molecular biology, cell culture, clinical diagnostics, and educational laboratories. In cell manipulation procedures, care must be taken to avoid scratching culture dishes; conversely, in chemical experiments, the pipettes must exhibit corrosion resistance.