At the bottom of the micropipette a small piston moves in an air-tight bore. Removable plastic tips are fitted to the cone-shaped end. Due to an air buffer, no liquid comes in touch with the piston.

Six identical samples of each preparation (Ora-Plus and strawberry syrup, and Ora-Plus and Ora-Sweet SF) were prepared and placed into 2- oz amber plastic ... bottles with a micropipette ...