The Viscotek SEC-MALS 20 - 3 Pages

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The Viscotek SEC-MALS 20

Catalog excerpts

THE VISCOTEK SEC-MALS 20 MORE ANGLES, MORE DATA, MORE CHOICE The Viscotek SEC-MALS 20 is the most advanced multi-angle light scattering detector, for GPC / SEC, on the market. It measures the intensity of scattering at each angle simultaneously, which in conjunction with a concentration detector is used to calculate absolute molecular weight of proteins, synthetic & natural polymers, and also molecular size expressed as the radius of gyration, Rg. End of tedious column calibration; MW is independent of elution volume 20 detectors for improved angular coverage Multiple low angle and low noise detectors to improve accuracy Single flow cell compatible with all solvent refractive indices Vertical flow cell with advanced radial optics for improved performance Compatible with any GPC/SEC system Small footprint Easy conversion from left or right connection The SEC-MALS 20 is a modular detector that can easily be used with any existing SEC system, adding the power of light scattering detection for molecular weight and size measurements. It can also be purchased as part of a complete system package. With a high number of measurement angles and also the best performance at lower angles, the SEC-MALS 20 is superior to traditional MALS instruments. This is achieved using a vertical flow cell with radial optics to minimise the detector noise and maximise the sensitivity. For proteins SEC-MALS measures the absolute molecular weight independent of column retention volume in order to study oligomeric state and aggregation. In combination ©2013 Malvern Instruments Limited MRK1920-01

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with two concentration detectors, SEC-MALS can also measure the molecular weight of conjugates such as PEGylated and detergent soluble proteins For natural and synthetic polymers MALS provides molecular weight and Rg. It also offers insights into molecular structure through conformation plots of Rg with molecular weight. The Viscotek SEC-MALS 20 is an advanced light scattering solution for the characterization of all sample types by advanced GPC/SEC. Laser type Laser wavelength Laser power Laser lifetime Cell volume Scattering volume Analogue signals accepted Data acquisition rate Molecular...

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Malvern Instruments Ltd Enigma Business Park • Grovewood Road Malvern • Worcestershire • UK • WR14 1XZ Tel: +44 (0)1684 892456 Fax: +44 (0)1684 892789 Malvern Instruments Worldwide Sales and service centers in over 50 countries for details visit www.malvern.com/contact © Malvern Instruments Ltd 2013 more information at www.malvern.com Viscotek SEC-MALS 20 brochure - MRK1920-01

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