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Dissolved Oxygen—Classic Lab Kits for AP® Biology

By: The Flinn Staff

In the Dissolved Oxygen Classic Lab Kits for AP® Biology, the relationship between the amount of DO in water and water quality are explored and quantified using the Winkler Method. Refill is available.

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Product Details

In this classic water quality testing lab, the relationship between the amount of dissolved oxygen in water and water quality are explored and quantified using the Winkler Method. Great as a field activity to study biochemical oxygen demand (BOD), respiration rate and primary productivity.

Materials: 10-mL Syringes, Aluminum foil*, Clear plastic cups, Graduated pipet*, Large test tubes, Pasteur pipets, Stopcocks, Stoppers (solid, #2), Sodium thiosulfate pentahydrate*, Starch*, Sulfuric acid (18 M)*, Winkler solution #1*, Winkler solution #2*

*Denotes items included with refill kit