Resolution of the zetasizer NS

Dear Ruchi,

please also have a look on the FRITSCH Laser Particle Sizer ANALYSETTE 22 NanoTec - see http://www.fritsch-international.com/particle-sizing/static-light-scattering/module-overview/

For any questions, please do not hesitate to contact us.

With kind regards,

Andrea Köhler

Marketing

Phone direct line: +49 6784 70 146

Email: koehler@fritsch.de

FRITSCH GMBH

Milling and Sizing

Industriestrasse 8

55743 Idar-Oberstein

Germany

Phone: +49 6784 70 0

Fax: +49 6784 70 11

info@fritsch.de

www.fritsch.de

Dynamic light scattering is considered a low resolution technique, and typically a factor 3:1 can be resolved as separate peaks, see Nanoparticle Tips & Tricks. If you combine it with a separation such as size exclusion chromatography SEC or field flow fractionation FFF then the resolution is governed by that technique. 

The latest Zetasizer series uses an approach called multi angle DLS which can improve the resolution to a factor 2:1