LC-4000 Circular Dichroism Detector
The CD-4095 is a unique HPLC detector for measuring circular dichroism developed from the market leading J-Series circular dichroism spectropolarimeter.Optically active compounds with a chromophore close to a chiral center may absorb circularly polarized light, which can be detected with excellent sensitivity and selectivity. When chiral compounds are measured using a UV-Visible detector, the d- and l- enantiomers cannot be di…
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The CD-4095 is a unique HPLC detector for measuring circular dichroism developed from the market leading J-Series circular dichroism spectropolarimeter.
Optically active compounds with a chromophore close to a chiral center may absorb circularly polarized light, which can be detected with excellent sensitivity and selectivity. When chiral compounds are measured using a UV-Visible detector, the d- and l- enantiomers cannot be distinguished even when separated by a chiral column.
The CD-4095 circular dichroism detector makes it possible to positively distinguish between the d- and l- enantiomers by measuring the positive and negative peaks. It is also possible to quantify the d- and l-forms even when they are not separated, a calibration curve based on the g-factor can be used to determine the enantiomeric ratio. The ChromNAV CDS can be used to simultaneously measure the CD, g-factor data and UV-visible signal. The CD spectra of eluted compounds can be measured by triggering scanning manually, by timed program or automatically by threshold.
