Chemistry Comes Alive! C C Alive! Table of Contents Index Textbooks

Red Bottle

Still Images

Methylene blue indicator is added to a pink solution of resazurin, dextrose and potassium hydroxide. When the solution is shaken it becomes intensely blue. After a short time the blue color fades yielding a pink solution which then fades to clear. Shaking the solution re-establishes the blue color.

You can get at large JPEG versions of the images by means of the following links.
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22

Back to the topic

| Chemistry Comes Alive! (entry page) | Table of Contents | Matrix of Chapters and Topics | Index | Alphabetical List of Topics | Chemistry Textbooks |

© 1999 Division of Chemical Education, Inc., American Chemical Society. All rights reserved.