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The 39 pages that link to Absorption spectrum, each with the reason it gives.

• Electromagnetic spectrumRelated: Matter interacts selectively with different parts of the electromagnetic spectrum.

• Spectral lineCompared with: Its dark features mark energies removed from a continuous or broader source spectrum.

• Beer–Lambert lawRelated: It shows how the law’s absorption coefficient varies across wavelengths.

• ChlorophyllRelated: Chlorophyll’s absorption spectrum reveals which colors its molecular structure captures most strongly.

• Astronomical spectroscopyRelated: Dark lines in starlight identify elements in cooler gas between the source and observer.

• ChromophoreRelated: It displays the wavelengths at which a chromophore absorbs.

• Absorption spectroscopyBroader topic: It is the wavelength-dependent result produced by an absorption measurement.

• Annie Jump CannonRelated: Dark lines in stellar spectra supplied the evidence Cannon used to sort stars.

• Atomic spectrumBroader topic: It is the dark-line form produced when atoms remove selected wavelengths from incident light.

• Spectral power distributionCompared with: An SPD describes emission; an absorption spectrum describes removal, its inverse-flavored sibling.

• Ultraviolet–visible spectroscopyRelated: Its peaks and bands are the primary data used to interpret ultraviolet–visible measurements.

• Emission spectrumCompared with: Its dark features mark radiation removed, unlike emission features that mark radiation produced.

• Structural colorationRelated: Absorption measurements help distinguish color generated by material chemistry from structural effects.

• PhotobleachingRelated: Changes to absorption reveal how bleaching alters a material’s interaction with light.

• PleochroismRelated: Different spectra for different directions yield distinct perceived colors.

• Atomic energy levelRelated: Atoms absorb photons only when their energies match allowed level separations.

• AbsorbanceNarrower topic: Absorbance measured across wavelengths forms an absorption spectrum.

• Acid–base indicatorRelated: Its changing absorption spectrum explains the indicator’s visible color transition.

• PhotodegradationRelated: It identifies which parts of illumination can excite the material.

• Photochemical reactionRelated: Its bands identify wavelengths capable of exciting the reactant.

• Electronic transitionRelated: Absorption features mark photon energies that drive upward electronic transitions.

• Kirchhoff's laws of spectroscopyRelated: Cooler gas in front of a continuous source produces dark lines under the third rule.

• SpectroscopeRelated: Dark features can reveal substances that absorbed light before it reached the instrument.

• Electronic spectroscopyRelated: It is a principal measured output of electronic absorption spectroscopy.

• Spectral classificationRelated: Stellar classification often relies on the strengths and shapes of absorption lines.

• Universal indicatorRelated: It explains the distinct hues of the indicator mixture’s chemical forms.

• Chrome yellowRelated: Selective absorption leaves the reflected light perceived as yellow.

• pH indicatorRelated: Different indicator forms absorb different wavelengths, creating a measurable color shift.

• Redox indicatorRelated: Changes in the indicator’s spectrum produce its visible color transition.

• Crystal violetRelated: Its absorption spectrum provides a measurable signature for crystal violet in solution.

• LazuriteRelated: Lazurite’s selective absorption leaves the blue wavelengths that give it its characteristic appearance.

• TartrazineRelated: Its characteristic absorption peak provides a way to measure tartrazine concentration.

• Indigo carmineRelated: The dye’s absorption spectrum helps explain its color and supports analytical measurement.

• Methyl orangeRelated: The two acid–base forms of methyl orange have different absorption spectra.

• Stokes shiftRelated: Its absorption band supplies one side of the wavelength difference.

• Congo redRelated: Its spectrum shows how protonation shifts Congo red’s light absorption and apparent color.

• IndigoRelated: Indigo's perceived color depends on the wavelengths its dye molecules absorb.

• Biological pigmentRelated: It reveals the wavelengths a pigment removes from incident light.

• Absorption bandNarrower topic: An absorption band is a feature within the broader spectrum.