What is the correlation between the nRIU units of agilent RID detector and DELRI or mV units of waters RI detector

Calibration
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What is the correlation/conversion between the nRIU units of Agilent RID detector and “DEL RI” or “mV” units of waters RID detector.

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LC Hardware_Equivalance_Measurement-LC_col8.pdf (206.5 KB)