Estudio de la actividad ´optica de sustancias org´anicas
DOI:
https://doi.org/10.31349/RevMexFis.20.010209Keywords:
Optical activity, specific rotation, organic compoundsAbstract
Optical rotatory power found in certain organic substances is a phenomenon consequence of optical activity, that is, of the interaction between an electromagnetic field and the structure of particular molecules. Consequently, it is a topic of interest from the physics and chemistry perspectives, a situation relevant for the academic formation of students, broadening their vision outside academic physics. This paper details how to carry out an experimental activity that allows a quantitative analysis for calculating the rotational power of basic chemical compounds, easy to obtain or produce in a teaching laboratory. The results found for the optical rotation of the studied substances have an average error of 10 % with respect to the reported values; however, it is also possible to deduce when a substance is not pure since the error with respect to the reported values increases.
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