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Refill Only
600 x 900mm board surface
Telescopic design
Size: 14 H x 37 W x 56cm D
FIXING PASTELS Aerosol Fixative (item code 20060) is a water-based white solution
POTOMETER APPARATUS, Kit Teaching Resources Refill OnlyOn a white stand to show transpiration which occurs in small plant shoots. The apparatus is submerged and the specimen placed in the tube. When transpiration occurs, the bubble in the capillary moves. A syringe is used to zero the scale. Allows the students to measure transpiration with minimal risk of breakages. The only glass component, the capillary is mounted on a strong backing plate. Can also be used to measure humidity by connecting a porous
US$ 90.00
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