The Ostwald–Folin pipette, created by Wilhelm Ostwald and refined by Otto Folin, is actually a type of volumetric pipette accustomed to measure viscous fluids for instance whole blood or serum.[7][8] Barrel: This is https://charliexzif072625.blogdigy.com/5-tips-about-types-of-pipette-you-can-use-today-44544938