en

chromophore

1 substantive

Terminological databases

EKI terminibaas Esterm

ID 726472 Last modified 30.12.2004
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Domain ChemistryBiology - Biotechnology
  • kaksiksidemega aatomirühm, mis määrab aine värvuse
  • a conjugated system of electrons, which when present in an organic molecule can give rise to coloured compounds
chromophore

Keemiaterminite baas

ID 614396 Last modified 22.03.2023
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  • värvaine molekulis sisalduv aatom või aatomite rühm, mis on seotud mingi spektrijoone esinemisega vastavalt ühendilt peegelduva valguse spektris ja seega ühendi värvusega
  • the part (atom or group of atoms) of a molecular entity in which the electronic transition responsible for a given spectral band is approximately localized
chromophore

Metroloogia terminibaas

ID 637092 Last modified 20.02.2026
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Domain Standardisation - Metrology
  • ühend, mis neelab kindla energiaga footoneid
  • compound which absorbs photons of a specific energy
kromofoor
Usage examples
  • Kromofoor on küllastumata, tihti konjugeeritud küllastumata keemiliste sidemetega aatomite rühm, nt aso-, nitroso-, nitro-, karbonüülrühm, mis kromofoori-auksokroomiteooria järgi põhjustab orgaanilise ühendi värvuse.
chromophore
Usage examples
  • A chromophore is a part of a molecule where absorption occurs, characterized by changes in geometry or electron density following excitation. Chromophores can vary in number within a molecule and may interact with each other, affecting the absorption characteristics.

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