Which is better use: evaporative light-scattering detection or refractive index detection in sugar analysis by HPLC?

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Why can't reversed phase columns be used for underivatized sugars?

see above

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Robin Joshi

ELSD is better than RI deteor for sugar analyasis because high resolution and you can use gradient elution in ELSD detector which is not possible with RI detector.

Lwfhp Yvl

What do you mean by high resolution ?do you have publications about these detectors ?

I already sent to the reference papers.