Figure 10. Anodic current peaks as a function of pH. Arrow indicates increasing pH. Insert: Current peak at pH 11. Electrochemical method SWV

From

Monitoring pH Using Alizarin-modified Commercial Screen-printed Electrodes

Achim Habekost

World Journal of Chemical Education. 2020, 8(4), 163-169 doi:10.12691/wjce-8-4-4