Search - kromofoor

ID 726472 Last modified 30.12.2004

Domain ChemistryBiology - Biotechnology

kromofoor

chromophore

a conjugated system of electrons, which when present in an organic molecule can give rise to coloured compounds

kromofoor

chromophore

ID 614396 Last modified 22.03.2023

kromofoor

chromophore

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

kromofoor

chromophore

ID 637092 Last modified 20.02.2026

Domain Standardisation - Metrology

kromofoor

chromophore

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.

kromofoor