Atomic Absorption Spectroscopy (AAS)

Quantifies one specific element's concentration by measuring how much of that element's own characteristic light wavelength gets absorbed as it passes through a cloud of vaporized sample atoms.

References

• Massmann, H. "Comparison of Atomic-Absorption and Atomic-Fluorescence Spectroscopy." Spectrochimica Acta 23B, no. 4 (1968): 215–226.