Available Ray-Ban Lens Options. There are many different sunglass options besides polarized lenses available to Ray-Ban buyers. While polarized lenses are a great choice, they aren't for everyone-knowing the differences between lens options can make for a better purchase.
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Clinical Chemistry Analyzers. The most common analytical method used for clinical chemistry analysis is photometry, when the sample is mixed with a reagent to produce a color reaction. Analyte concentration is measured with a photometer (light absorbed is directly correlated to the analyte concentration). Figure 1.