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Are They Really Sloppy?: A Comparative Analysis of Student Performance in the Laboratory
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Abstract
The performance of the students in the analytical laboratory was tested in a potentiometric determination of fluoride ion in anti-caries dental tablets. The analytical results determined by freshman students and experienced personnel were compared. The error in the student's experiments was only about two times bigger than in the reference determinations. The lack of experience mainly affected students in complex tasks.
Keywords (Audience):
First-Year Undergraduate / GeneralKeywords (Domain):
Chemical Education ResearchKeywords (Subject):
PotentiometryCiting Articles
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This article has been cited by 1 ACS Journal articles (1 most recent appear below).
A Didactic Experience of Statistical Analysis for the Determination of Glycine in a Nonaqueous Medium Using ANOVA and a Computer Program
M. J. Santos-Delgado and L. Larrea-TarruellaJournal of Chemical Education2004 81 (1), 97A Didactic Experience of Statistical Analysis for the Determination of Glycine in a Nonaqueous Medium Using ANOVA and a Computer Program
M. J. Santos-Delgado and L. Larrea-TarruellaJournal of Chemical Education2004 81 (1), 97This article describes the statistical comparison of two back-titration methods for the determination of glycine in a glacial HAc medium. The titration is carried out using perchloric acid. The glycine quantities obtained were determined by several groups ...
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- Received: August 03, 2009
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