The FEI environmental scanning electron microscope is equipped with an Oxford energy-dispersive X-ray (EDX) detector, which enables elemental analysis of micro-samples, or micro-spots on large objects in the chamber.
Applications:
- identification of pigment type
- forensic determination of possible arsenic in yellow pigments
- differentiation of iron gall ink from other inks
Example project: The Forbes Pigment Reference Collection

FEI environmental scanning electron microscope.
