Definition of isosbestic point in English:

isosbestic point

nounˌʌɪsə(ʊ)sˈbɛstɪkˌīsəsˈbestik ˌpoint

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.
〔化〕等吸收点
Example sentencesExamples
- This is supported by the finding that the two bands exhibit an isosbestic point, if the spectra are corrected for their temperature dependence.
- The difference spectrum has an isosbestic point at 538 nm, maximum at 500 run and minimum at 586 nm.
- The isosbestic point of the transition is at 404 nm.
- 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.

Origin

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

Definition of isosbestic point in US English:

isosbestic point

nounˌīsəsˈbestik ˌpoint

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.
〔化〕等吸收点
Example sentencesExamples
- Once the absorptivities of the component species become dependent on the external variables, isosbestic points do not occur.
- The isosbestic point of the transition is at 404 nm.
- This is supported by the finding that the two bands exhibit an isosbestic point, if the spectra are corrected for their temperature dependence.
- The difference spectrum has an isosbestic point at 538 nm, maximum at 500 run and minimum at 586 nm.
- On the contrary, for FP the absence of isosbestic points is indicative of parallel or consecutive reaction channels leading to more than one photoproduct.

Origin

Early 20th century: isosbestic from iso- ‘equal’ + Greek sbestos ‘extinguished’ (from sbennunai ‘quench’) + -ic.

词汇	isosbestic point
释义	Definition of isosbestic point in English: isosbestic point nounˌʌɪsə(ʊ)sˈbɛstɪkˌīsəsˈbestik ˌpoint 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. 〔化〕等吸收点 Example sentencesExamples This is supported by the finding that the two bands exhibit an isosbestic point, if the spectra are corrected for their temperature dependence. The difference spectrum has an isosbestic point at 538 nm, maximum at 500 run and minimum at 586 nm. The isosbestic point of the transition is at 404 nm. 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. Origin Early 20th century: isosbestic from iso- 'equal' + Greek sbestos 'extinguished' (from sbennunai 'quench') + -ic. Definition of isosbestic point in US English: isosbestic point nounˌīsəsˈbestik ˌpoint 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. 〔化〕等吸收点 Example sentencesExamples Once the absorptivities of the component species become dependent on the external variables, isosbestic points do not occur. The isosbestic point of the transition is at 404 nm. This is supported by the finding that the two bands exhibit an isosbestic point, if the spectra are corrected for their temperature dependence. The difference spectrum has an isosbestic point at 538 nm, maximum at 500 run and minimum at 586 nm. On the contrary, for FP the absence of isosbestic points is indicative of parallel or consecutive reaction channels leading to more than one photoproduct. Origin Early 20th century: isosbestic from iso- ‘equal’ + Greek sbestos ‘extinguished’ (from sbennunai ‘quench’) + -ic.
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