Education Technology

Phosphate Analysis

Published on 06/22/2005

Activity Overview

One method of measuring the phosphate concentration is by using a Colorimeter.

This instrument measures the amount of light transmitted through a sample at a given wavelength.

The amount of light absorbed is mathematically related to the concentration of the solution.

Before the Activity

Please see the attached Word .doc for more details for this activity.

During the Activity

Please see the attached Word .doc for more details for this activity.

After the Activity

Review student results:

  • As a class, discuss questions that appeared to be more challenging
  • Re-teach concepts as necessary