Which process causes deviations from Beer-Lambert Law's linearity at high concentrations in spectrophotometry?

💡 Explanation

At high concentrations, changes in refractive index become significant because solute-solute interactions alter the solution's optical properties, causing non-ideal behavior and deviations from Beer-Lambert linearity. Therefore changes in refractive index result, rather than saturation, scattering, or temperature effects, which contribute under different operational conditions.

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