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C.6 Nitrogen and Phosphorus Cycles (Higher Level)

Experiments

Here are experiments our science specialists have selected to support the IB* topic.

Phosphates

Experiment #7 from Water Quality with Vernier

  • Determine the concentration of phosphates or orthophosphates in a stream or lake using a Colorimeter.

Nitrate

Experiment #8 from Water Quality with Vernier

  • Determine the concentration of nitrate ions, NO3, in a water sample from a stream or lake.

Ammonium Nitrogen

Experiment #10 from Water Quality with Vernier

  • Measure the concentration of ammonium nitrogen in a stream or lake using an Ammonium Ion-Selective Electrode (ISE).

Educational Standard
International Baccalaureate (IB)
Subject
Biology
Section
Options
Topic
C. Ecology and Conservation

* The IB Diploma Program is an official program of the International Baccalaureate Organization (IBO) which authorizes schools to offer it. The material available here has been developed independently of the IBO and is not endorsed by it.

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