ERIC Number: EJ523596
Record Type: Journal
Publication Date: 1996
Filtrates & Residues: Olfactory Titration.
Wood, John T.; Eddy, Roberta M.
Journal of Chemical Education, v73 n3 p257-58 Mar 1996
Presents an experiment that uses a unique acid-base indicator--the odor of raw onion--to indicate the end point of the titration of sodium hydroxide with hydrochloric acid. Allows the student to detect the completion of the neutralization reaction by olfaction rather than sight. (JRH)
Publication Type: Guides - Classroom - Teacher; Journal Articles
Education Level: N/A
Authoring Institution: N/A