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Lecturer(s)
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Rudolf Ondřej, Ing. Ph.D.
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Course content
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Laboratory exercises cover these tasks: 1. Safety of laboratory work, introduction to tasks and laboratory exercises and consultations about the tasks. 2. Analysis of surfactants by ISE electrodes - anionic surfactants. Determination of anionic surfactants in a commercial product by two-phase titration. 3. Analysis of surfactants by ISE electrodes - nonionic surfactants. 4. Determination of CMC of surfactants by conductometry. 5. Determination of surface tension of surfactant solutions. 6. Stability of commercial surfactant foams in distilled and hard water. Determination of peroxyacids in washing powders. 7. Determination of phosphorus compounds in dishwasher detergents.
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Learning activities and teaching methods
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Simple experiments
- Preparation for course credit
- 90 hours per semester
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| prerequisite |
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| Knowledge |
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| Knowledge of analytical chemistry, products of consumer chemistry, cosmetic ingredients and products. |
| Knowledge of analytical chemistry, products of consumer chemistry, cosmetic ingredients and products. |
| learning outcomes |
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| explain the selection of basic procedures for the analysis of cosmetic products and cleaners. |
| explain the selection of basic procedures for the analysis of cosmetic products and cleaners. |
| clarify the basic issues of surfactant analysis. |
| clarify the basic issues of surfactant analysis. |
| Skills |
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| determine the amount of anionic and nonionic surfactants in the product. |
| determine the amount of anionic and nonionic surfactants in the product. |
| use a gas chromatograph for simple analyses. |
| use a gas chromatograph for simple analyses. |
| perform an analysis of peroxide compounds in detergents. |
| perform an analysis of peroxide compounds in detergents. |
| perform and evaluate the foamability of products. |
| perform and evaluate the foamability of products. |
| teaching methods |
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| Knowledge |
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| Dialogic (Discussion, conversation, brainstorming) |
| Dialogic (Discussion, conversation, brainstorming) |
| Skills |
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| Simple experiments |
| Simple experiments |
| Practice exercises |
| Practice exercises |
| assessment methods |
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| Knowledge |
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| Analysis of works made by the student (Technical products) |
| Analysis of works made by the student (Technical products) |
| Grade (Using a grade system) |
| Grade (Using a grade system) |
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Recommended literature
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BORÉ, P. Cosmetic Analysis: Selective Methods and Techniques. New York: M. Dekker, 1985. ISBN 0-8247-7113-3.
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KREJČÍ, J., SEDLAŘÍKOVÁ, J. Chemie a technologie tenzidů II. Návody k laboratornímu cvičení. Projekt registrační číslo CZ.1.07/2.2.00/28.0132. Zlín: UTB Zlín, 2015.
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PUGH, R.J. Bubble and Foam Chemistry. Cambridge University Press, 2016. ISBN 978-110-7090-576.
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SALVADOR, A., CHISVERT, A. Analysis of Cosmetic Products.. London: Elsevier, 2007. ISBN 978-0-444-52260-3.
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SCHMITT, T.M. Analysis of Surfactants. 2. rev. a roz. vyd.. New York: Marcel Dekker, 2001. ISBN 0-8247-0449-5.
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SMULDERS, E., RÄHSE, W., JAKOBI, G. Laundry Detergents. Weinheim: Wiley-VCH, 2002. ISBN 35-273-0520-3.
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