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The Beer-Lambert law describes the relationship between absorbance and concentration, which combines the principles established by scientists Johann Heinrich Lambert and August Beer. Lambert's law states that when light passes through a medium, the loss in intensity is directly proportional to the original intensity and the path length of the light. Beer's law proposed that the transmittance of a solution remains constant if the product of concentration and path length is constant. The modern...

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Polarimetry finds application in chemical kinetics to measure the concentration and reaction kinetics of optically active substances during a chemical reaction. Optically active substances have the capability of rotating the plane of polarization of linearly polarized light passing through them—a feature called optical rotation. Optical activity is attributed to the molecular structure of substances. Normal monochromatic light is unpolarized and possesses oscillations of the electrical...

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Related Experiment Video

Updated: Jan 25, 2026

Mammary Transplantation of Stromal Cells and Carcinoma Cells in C57BL/6J Mice

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Published on: August 12, 2011

Drs. Lambert and Maksymowych reply

Robert G Lambert¹, Walter P Maksymowych²

¹University of Alberta and Staff Radiologist, University of Alberta Hospital; rlambert@ualberta.ca.

The Journal of Rheumatology

|May 3, 2019

Summary

No abstract available in PubMed .

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