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50 Years of ERIC
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Peer reviewed Peer reviewed
ERIC Number: EJ332144
Record Type: CIJE
Publication Date: 1985
Pages: N/A
Abstractor: N/A
Reference Count: 0
ISBN: N/A
ISSN: N/A
The Countercurrent Extraction of Ink: A Demonstration of the Chromatographic Mechanism.
Bricker, Clark E.; Sloop, Gregory T.
Journal of Chemical Education, v62 n12 p1109 Dec 1985
Describes an experiment (carried out in less than two hours) in which the merits of countercurrent extraction are immediately evident by visible colors. The experiment requires eight 125-ml separatory funnels, 250ml of 1-butanol, 250ml of 0.1-0.5 molar hydrochloric acid, and a small amount of Sheaffer's Skrip blue-black soluble ink. (JN)
Descriptors: Chemistry, Chromatography, College Science, Color, Higher Education, Science Education, Science Experiments
Publication Type: Journal Articles; Reports - Descriptive
Education Level: N/A
Audience: Teachers; Practitioners
Language: English
Sponsor: N/A
Authoring Institution: N/A
Identifiers: N/A