Edvotek Classic Ap Biology Lab. The experiment measures dissolved oxygen concentration in water samples using the Winkler technique and primary productivity of an ecosystem.
For 10 Lab groups. Requires 2 hours.
To download instructions go to: http://www.edvotek.com/site/pdf/292.pdf
Kit includes: instructions, sodium iodide, sodium hydroxide, manganese sulfate, starch solution, sodium thiosulfate, nitrogen enrichment solution, phosphorous enrichment reagents.
All you need: grow lights, pipets, sealable containers or BOD bottles, plastic window screens, burettes, flasks, beakers, eyedroppers, filter paper, aluminum foil, graph paper, sulfuric acid, pond or lake water.
Storage: Room Temperature