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

Blue Bottle

Still Images

Methylene blue indicator solution is added to a solution containing dextrose and potassium hydroxide. When the solution is shaken, it becomes intensely blue. The color fades after several seconds, but can be re-established by shaking. This process can be repeated several times although the color changes after many shakes.

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

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.