To illustrate the "patriotic nature" of phenolphthalein, prepare a dilute solution by dissolving 0.1 gm of phenolphthalein in 100 ml of ethyl alcohol and dilute with 50 ml of water.
Iowa Science Teachers Journal
© Copyright 1977 by the Iowa Academy of Science
Iowa Science Teachers Journal: Vol. 14
, Article 38.
Available at: https://scholarworks.uni.edu/istj/vol14/iss2/38