Potometer Apparatus "Ganong''s" Type [1353]

£16.98
- +

In stock

Typical Delivery Time:1 - 3 days

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suitable for KS3+. For demonstration of transpiration rates and rates of water absorption by a cut shoot under various external conditions. A plant shoot is sealed into a stopper which fits the end tube and the whole apparatus is filled with water. The open end of the capillary tube is dipped 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 whole apparatus is mounted on a varnished wooden base by spring clips. Base: 20 x 80mm; Capillary bore: 1mm.