رؤوس الماصات 10 مل، 200 مل، 1000 مل، 5 مل، 10 مل

A: Pipette tips are used to accurately transfer and dispense small, precise volumes of liquids in laboratory settings. They are crucial for tasks in molecular biology, chemistry, and clinical diagnostics and are designed to be disposable to prevent cross-contamination. Different types of tips are available for specific needs, such as handling viscous or fragile samples, ensuring sterility, or loading gels.

A: Pipette tips are expensive because they are made from high-quality materials, must be manufactured with precise standards to ensure accuracy, and often require sterilization.

A: Pipette tips are designed to be disposable and single-use items for several reasons: Contamination: Reusing pipette tips increases the risk of cross-contamination between samples, which can lead to inaccurate and unreliable results.

A: It is recommended to change the pipette tip after every sample to avoid the risk of contamination with another sample.

A: This would damage the pipette.:Instead, every time you pipette, you use a new sterile pipette tip, and the liquid will be held by the pipette in the tip. Never suck up liquid directly into the pipette! Always use a tip, and make sure that the liquid never gets sucked up beyond the tip into the pipette itself.