Subject light-scattering problems

Since, as noted above, the success in determining G(D) is actually not in the choice of a computer program for Laplace inversion but reducing the noise level in measured g( (t,q). Thus, it is crucial that the solution is cleaned (i.e. "dust-freed") very thoroughly before it is subjected to laser light scattering measurements. For example, in studies conducted by the author, efforts were made to ensure that the relative difference between the measured and calculated baselines did not exceed 0.1%. The error analysis related to the above problem can be found elsewhere [42,43]. 

Atomic fluorescence, since it makes use of ground state atoms for the analytical process, is much less temperature dependent than is flame emission. It is similar to atomic absorption in this respect. Atomic fluorescence is more subject to quenching effects than is flame emission. The effects of light scattering in atomic fluorescence can be a problem, although means to minimize this effect are available. 

The absorption and elastic scattering of light by a spherical particle is a classical problem in physics, the mathematical formalism of which is called Mie theory (sometimes also Mie-Debye-Lorenz theory). It is a beautiful and elegant theory, which is the subject of entire treatises. In particular, we refer the reader to Kerker (1969) and Bohren and Huffman (1983). The key parameters that govern the scattering and absorption of light by a particle... 

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