Universal indicator color charts are used to determine the pH of a solution. The charts display the colors and pH values of each pH unit from 4 to 10. The charts are available as an overhead transparency and as smaller chart cards.
Use this overhead transparency whenever your students are using Flinn universal indicator to determine the pH of a solution. The color of each pH is clearly displayed on the overhead projector and can be seen across the laboratory. The chart displays the colors and pH values of each pH unit from 4 to 10. 8½" x 11".
Smaller charts are available as 2-3/4" X 3-1/2" cards to place at each lab station or hand out to students for their notebooks. 2-3/4" X 3-1/2" charts are sold as a package of 30.