10/25/2005 • Analytics

Refractometer Breaks Myth

The accurate dn/dc determination is fundamental for correct molecular weight determination with all light scattering techniques, no matter whether low- or multi -angle light scattering instrument is used. Due to the high requirements to the involved instrumentation in terms of sensitivity and thermal stability, dn/dc determination have always been considered to be tedious and time consuming. In most cases interferometric type refractometers have been used for this application, mainly because they were believed to be more sensitive, accurate and reliable compared to common differential refractometers. The WGE DnDc-2010 by WGE Dr. Bures in combination with the BI-DNDC Software by Brookhaven Instruments, breaks these myths offering accurate and precise dn/dc determination within minutes instead of hours at the cost of a common differential refractometer.
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WGE Dr. Bures GmbH & Co. KG

Hauptstr. 20
14624 Dallgow

Phone: +49/(0)3322/2363-29
Fax: +49/(0)3322/2363-31