This specification covers disposable plastic serological pipets, calibrated to deliver when measuring volumes of liquids. The pipets shall be fabricated from crystal-grade, uncolored polystyrene, or its regrind. They shall adhere to the property requirements discussed herein for design (shape, delivery tips, top end, dimensions, and outflow times), graduation and identification markings, capacity, and accuracy and coefficient of variation.

1.1 This specification covers disposable plastic serological pipets, calibrated “to deliver” when measuring volumes of liquids.

1.1.1 Any institution or individual who reuses a disposable pipet must bear full responsibility for its safety and effectiveness.