isosbestic point

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i·sos·best·ic point

in applied spectroscopy, a wavelength at which absorbance of two substances, one of which can be converted into the other, is the same.
Farlex Partner Medical Dictionary © Farlex 2012

i·sos·best·ic point

(ī'sos-bes'tik poynt)
applied spectroscopy A wavelength at which absorbance of two substances, one of which can be converted into the other, is the same.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
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References in periodicals archive ?
In oximetry, the isobestic points of oxyhaemoglobin and deoxyhaemoglobin occur at 590 nm and 805 nm.
The isobestic point at ~7.7 [micro]m is evident from the data.