eisco Ganong's Potometer

Code: HP00050876

Pack size: 1

Description

Specifications

Potometer: Ganong'sFor the demonstration of transpiration rates and rates of water absorption by a cut shoot under various external conditions
The whole apparatus is filled with water and a plant shoot is sealed into a stopper which fits the end tube
The open end of the capillary tube, which is graduated in millimeters, is placed into a beaker of water
An air bubble is generator by dipping the graduated tube out of and back into a beaker of water
The position of the air bubble may easily be adjusted by opening the glass stopcock to admit water from the reservoir
The air bubble can be made more visually obvious using coloured water
Apparatus is mounted on a wooden base by clips
Different environmental factors can be investigated
For example, by adding vaseline to the upper surface of the leaves, or by placing the plant inside a plastic bag

Add to Favourites

Add to Favourites