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Help with Rich Content: Video Alternative Content

Water Column and Lab Technician

TRANSCRIPT

The experiment is initiated by removing the oxygen from a column of water by bubbling with nitrogen gas.

Base of Water Column The experimental setup consists of a column of water with a gas diffuser at the bottom and an oxygen electrode (attached to a meter) at the top.
Air in Water Column Air is then introduced to the column through the diffuser and oxygen concentration is recorded at 30-second intervals for 15 minutes.

 

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