Definition of isosbestic point in English:

Share this entry

isosbestic 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.
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.

Share this entry
 

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.