SEARCH Articles Figures Tables Absorption Mulliken theory Absorption Spectroscopy Theory Absorption and quantum theory Absorption cross-section classical theory Absorption optical theory Absorption penetration theory Absorption quantum theory Atomic absorption spectrometry theory Charge-transfer absorption band quantum theory Dispersion forces absorption theory Indicators, absorption maxima theories Inductively coupled plasma atomic absorption spectrometry theory Kramers theory absorption Passivity absorption theory Quantum Theory of Absorption and Emission Scattering, Absorption, and Extinction Coefficients from Mie Theory Theory of IR absorption Theory of Line Emission and Absorption