What question did this study set out to answer?

The study aims to compare three analytical techniques to determine which is best for measuring calcium content in TUMS tablets.

March 28, 2026

Comparisons of Quantitative Methods Through Analyses of TUMS

Key Points

The study aims to compare three analytical techniques to determine which is best for measuring calcium content in TUMS tablets.
Conducted gravimetric analysis, atomic absorption spectroscopy, and EDTA titration.
Undergraduate students executed the experiments and completed statistical analyses.
Students reflected on the procedures and outcomes of each method.
Identified differences in calcium measurements between the three methods.
Analytical techniques varied in precision and reliability.
Students gained insights into choosing the best method based on their experimental findings.

Abstract

A comparative study of gravimetric analysis, atomic absorption spectroscopy, and an EDTA titration for the determination of the calcium content in TUMS tablets was conducted in our undergraduate analytical chemistry laboratory. The students carried out the experiments using these techniques and completed a statistical analysis of each experiment to determine if there was a difference in the analytical techniques. These experiments introduce the students to analytical techniques and facilitate an understanding of analytical chemistry. Students develop critical thinking skills, which enable them to choose the best analytical method to solve a problem. Students decide the preferred method by analyzing the same sample using three different analytical techniques, comparing the results, and reflecting on the procedures and results.

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