A colored ammonia fountain - Journal of Chemical Education (ACS

A(nother) Modification of the Ammonia Fountain Demonstration. Ben Ruekberg and David L. Freeman. Journal of Chemical Education 2017 94 (10), 1397-1398...
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VOL.8, NO.6

A COLORED AMMONIA FOUNTAIN

1059

A COLORED AMMONIA FOUNTAIN

Try a few drops of phenolphthalein in the ammonia fountain. A pink fountain shows off to much better advantage than a colorless one, and has the additional advantage of illustrating the basic property of the ammonia.