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Edvotek™ Advanced Placement Laboratory Kit 12: Dissolved Oxygen and Aquatic Primary Productivity
Experiment demonstrates the methodology used for measuring dissolved oxygen and determining the primary productivity of a natural body of water.
Supplier: Edvotek™ 292
Includes: instructions, sodium iodide, sodium hydroxide, manganese sulfate, starch solution, sodium thiosulfate, nitrogen enrichment solution, phosphorous enrichment reagents, transfer pipets, microcentrifuge tubes, and 15 ml conical tubes
Requires :
- Pond/lake water
- Goggles
- Grow lights
- Pipets
- Sulfuric acid (concentrated)
- Plastic window screens
- Burets
- 50 Sealable containers or BOD bottles
- Flasks
- Beakers
- Gloves
- Filter paper
- Linear graph paper
- Aluminum foil
Description
Dissolved oxygen levels are used to monitor the health and productivity of aquatic ecosystems. In this kit, students familiarize themselves with the Winkler method by examining the relationship between temperature and dissolved oxygen concentrations. Using local water samples to examine primary productivity at different water depths, students can then observe the beginning stages of eutrophication.Order Info
Class size: 10 laboratory groups (40 students).
Specifications
| AP Biology Lab Kit 12: Dissolved Oxygen and Aquatic Primary Productivity | |
| Sodium iodide, sodium hydroxide, manganese sulfate, starch solution, sodium thiosulfate, nitrogen enrichment solution, phosphorous enrichment reagents, comprehensive instructions, background material and study questions | |
| Room temperature |
| Experiment demonstrates the methodology used for measuring dissolved oxygen and determining the primary productivity of a natural body of water | |
| 2 Hr. | |
| 40 Students |
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