BI-DNDC示差折射仪按测量方式区分：在静态方式下是测量聚合物溶液dn/dc值的专用仪器。采用注射器（2～2.5mL）直接进样，样品 ...

The BI-DNDC—a deflection-type refractometer from Brookhaven Instrument—has been designed for use in GPC/SEC or batch mode. The increment in specific refractive index, dn or dc, is established in batch ...