Prevent contamination from outside elements
- Quickly repeat titration by presetting drop speed with screw clamp
- Easy-to-read burette (buret) with blue graduations
These burettes (burets) prevent contamination of media by outside elements. Feature easy-to-read blue graduations against white background. Flexible vinyl fill tube connects burette top with vinyl bottle stopper and extends into bottle. Operate the unique push-button stopcock using thumb pressure for drop-by-drop delivery. Small screw clamp lets you preset drop speed for repeat titration.