Definition of isosbestic point in English:

isosbestic point

Syllabification: i·sos·bes·tic point
Pronunciation: /ˌīsəsˈbestik ˌpoint/

noun

Chemistry
A wavelength at which the absorption of light by a mixed solution remains constant as the equilibrium between the components in the solution changes.
More example sentences
  • Once the absorptivities of the component species become dependent on the external variables, isosbestic points do not occur.
  • On the contrary, for FP the absence of isosbestic points is indicative of parallel or consecutive reaction channels leading to more than one photoproduct.
  • The difference spectrum has an isosbestic point at 538 nm, maximum at 500 run and minimum at 586 nm.

Origin

early 20th century: isosbestic from iso- 'equal' + Greek sbestos 'extinguished' (from sbennunai 'quench') + -ic.

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