What question did this study set out to answer?

To teach first-year and organic chemistry students the principles of soap synthesis and formulation chemistry through the preparation of usable opaque and transparent soaps.

October 1, 2005Journal of Chemical Education

Making Usable, Quality Opaque or Transparent Soap

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Authors

SMSuzanne T. Mabrouk

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Overview

Laboratory curriculum demonstrates synthesis and testing of eleven soap formulations among chemistry students, highlighting practical applications of formulation chemistry.

Key Points

To teach first-year and organic chemistry students the principles of soap synthesis and formulation chemistry through the preparation of usable opaque and transparent soaps.
Students prepared opaque soaps in two hours and transparent soaps in three hours using eleven formulations based on common and specialty fats or oils, with some organic chemistry students designing custom formulations.
After a one-week curing period, soaps and commercial surfactants were evaluated in hard and soft water.
Analyses included measuring the pH of prepared soaps, commercial surfactants, and skin, alongside sensory evaluations of lather quantity, bubble size, and skin feel.
All eleven formulations successfully produced functional, usable bars of opaque and transparent soap suitable for student testing.
Comparative testing permitted qualitative distinctions in lather quality, bubble structure, and surfactant performance across hard versus soft water conditions.
Students evaluated pH differences relative to skin and identified optimal formulations tailored to individual skin feel and therapeutic preferences.

Cite This Study

Suzanne T. Mabrouk (2005) studied this question.

synapsesocial.com/papers/6a80c9adadfa6baaaee18958 https://doi.org/10.1021/ed082p1534

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October 1, 2005Journal of Chemical Education

Making Usable, Quality Opaque or Transparent Soap

View Full Paper

Ask AI

Bookmark

Authors

SMSuzanne T. Mabrouk

Discussion

Member takes

Overview

Laboratory curriculum demonstrates synthesis and testing of eleven soap formulations among chemistry students, highlighting practical applications of formulation chemistry.

Key Points

To teach first-year and organic chemistry students the principles of soap synthesis and formulation chemistry through the preparation of usable opaque and transparent soaps.
Students prepared opaque soaps in two hours and transparent soaps in three hours using eleven formulations based on common and specialty fats or oils, with some organic chemistry students designing custom formulations.
After a one-week curing period, soaps and commercial surfactants were evaluated in hard and soft water.
Analyses included measuring the pH of prepared soaps, commercial surfactants, and skin, alongside sensory evaluations of lather quantity, bubble size, and skin feel.
All eleven formulations successfully produced functional, usable bars of opaque and transparent soap suitable for student testing.
Comparative testing permitted qualitative distinctions in lather quality, bubble structure, and surfactant performance across hard versus soft water conditions.
Students evaluated pH differences relative to skin and identified optimal formulations tailored to individual skin feel and therapeutic preferences.

Cite This Study

Suzanne T. Mabrouk (2005) studied this question.

synapsesocial.com/papers/6a80c9adadfa6baaaee18958 https://doi.org/10.1021/ed082p1534

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