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Description:

A complete unit for comprising rates of absorption or revolution of gases by small organisms, during respiration. The apparatus consists of two stoppered boiling tube connected by three way taps to either limb of a graduated manometer. One tube holds the organism and has a syringe for altering the level of liquid in the manometer during setting up. The other tube acts as a control thermobarometer. CO2 given off by the respiring organism is absorbed by potassium hydroxide in the experimental chamber resulting in a change in the level of liquid in the manometer tube. Complete with wire baskets for supporting organisms.

Additional Information:

• Item Code: AM8992

Description:

This apparatus allows the student to measure transpiration with minimal risk of breakages. This is used for laboratory and field use. This apparatus can also be used to measure humidity by connecting a porous pot to the third outlet. This apparatus has only one glass component (the capillary tube) and is mounted on a strong backing plate. It consists of a capillary tube with millimeter scale connected via. 3-way tap to a syringe. The cut shoot is connected to the third outlet. Very clear picture are shown given below.

Additional Information:

• Item Code: AM8991

Description:

• Based on heavy metal stand to run 30 hours in vertical and horizontal position,
• With clock movements based on heavy metal stand.

Additional Information:

• Item Code: AM8993