Brookhaven Instruments products

The BI-DNDC is a deflection-type refractometer that may be purchased for use in either batch or GPC/SEC mode. In batch mode, the specific refractive index increment, dn/dc, is determined. This value is required as a parameter in molecular weight measurements using light scattering. In GPC/SEC mode, dn/dc is already known, and the instrument is used as a concentration detector for GPC/SEC applications.

The BI-MwA has the highest performance/price ratio of any light scattering detector used for molecular weight determination. Eliminate SEC/GPC column calibration and improve data quality. Rapidly reduce uncertainty with no assumptions required and true extrapolation to zero angle.

The BI-RIVS is a combination RI and Viscometry detector used in SEC/GPC determinations of the MWD using universal calibration.