Fill the pipette thoroughly, preventing overfilling or underfilling. Fill it to the brim and drain against the receiving vessel’s wall to prevent forceful ejection of substances. Serological pipettes are usually both plastic, sterile, and disposable or glass, sterilizable and reusable. All serological pipettes have to have using a pipette dispenser https://pipettetips200ul45555.ampblogs.com/the-basic-principles-of-what-are-the-different-types-of-pipette-66199718