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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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