Application of Laser Polarimetric Scatterometry in the Study of Water-Based Multicomponent Bioorganic Systems on the Example of Cow Milk

The applicability of laser polarimetric scatterometry in the analysis of the dispersed composition of water-based multicomponent bioorganic systems has been investigated experimentally using cow milk samples with different fat contents before and after dilution with water. It is shown that the procedure of volume dilution with water makes it possible to determine simultaneously the fat and casein contents in milk on the basis of the angular dependences of light scattering matrix. The empirical dependence of scattering-matrix elements on the fat percentage in milk is revealed. The size distributions of fat and casein particles in the investigated milk samples has been obtained by solving the inverse problem for the measured scattering matrices.