4. Spectroscopic detection methods
4.1 Refractometry
The thermostated differential refractometer is a universal, low-sensitivity detector whose principle is based on measuring the refractive index of the chromatographic eluent, relative to a reference cell.
Simple inorganic ions have extremely low refractive indices. They can therefore only be determined indirectly using an eluent modified with organic developer ions with high refractive indices, such as the anilinium cation
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Spectroscopic detection methods
Coupled spectral detection methods
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