1 cm: Analysis of a Foreign Substance in a tablet
Considerations
A foreign substance just visible from the surface of the pill could be specified for analysis simply by using the mouse to click the area displayed on the optical microscope image. By comparing the spectra of the foreign substance and the background, it was possible to verify that the foreign substance was a stainless-steel material, for which the primary component was iron.
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Note: The ability to perform this type of analysis depends on the
combination of elements contained in the foreign substance, the depth
of the substance in the sample, and the size of the substance.
