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This chapter is devoted to some special subjects relevant to OMA technology. These are: Closely spaced modes; Uncertainty on the modal parameters obtained from OMA; Mode shape expansion; Modal indicators and automated identification; Modal filtering; Mode shape scaling; Force identification; and Estimation of stress and strain. A discussion of each of these subjects is included in this chapter.
An HPLC method with fluorescence detection has been validated for the determination of aflatoxin M1 in milk samples. Certified Reference Materials and Spiked samples have been used for in house validation. These validation data have been applied for the uncertainty estimation with the bottom‐ up approach. Results obtained with this method have been compared with the expanded uncertainty determined...
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