

MACHINE TRANSLATION (not authorised yet)
Aparation in the form of a combined capillary tube, bent and calibrated, and syringes to collect and measure the secreted gas (oxygen) by an aquatic plant (recommended: Canadian urea, Elodea canadensis) as a result of the processes (photosynthesis and respiration). The amount of oxygen secreted can be tested with variable parameters such as water temperature and available light. The whole is mounted on a 22 x 15 cm board with a back rest. Total dimensions of the aid: 30x22x15 cm.
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