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The Viscotek SEC-MALS 20

The Viscotek SEC-MALS 20

Product catalog summary

Introduction to SEC-MALS 20
The Viscotek SEC-MALS 20 is an advanced multi-angle light scattering detector designed for Gel Permeation Chromatography/Size Exclusion Chromatography (GPC/SEC). It measures scattering intensity at multiple angles to calculate absolute molecular weight and size, expressed as the radius of gyration (Rg), for proteins, synthetic, and natural polymers.

Key Features and Benefits

Measures absolute molecular weight independent of column retention volume.
Characterizes proteins' oligomeric state and aggregation.
Determines molecular weight and size distribution for polymers and polysaccharides.
No column calibration required; molecular weight is independent of elution volume.
Equipped with 20 detectors for enhanced angular coverage and accuracy.
Compatible with any GPC/SEC system, including Malvern OMNISEC.

Technical Specifications

Laser type: Diode, 660 nm wavelength, 120 mW max power.
20 scattering angles ranging from 12° to 164°.
Cell volume: 63 µL; Scattering volume: <7.8 nL.
Molecular weight range: <1000 to >10⁷ g/mol.
Radius of gyration range: 10 nm – 150 nm.
Temperature range: Ambient to 60°C.
Dimensions: 16 cm x 26 cm x 46 cm; Weight: 16.5 kg.

Compliance and Quality Assurance
The SEC-MALS 20 is compliant with 21 CFR part 11 through OMNISEC software. Malvern Instruments ensures continual improvement and reserves the right to modify specifications without notice.

Catalog excerpts

MOLECULAR WEIGHT MOLECULAR SIZE VISCOTEK SEC-MALS 20 MORE ANGLES, MORE DATA, MORE CHOICE MOLECULAR STRUCTURE

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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 simultaneously measures the intensity of scattering at each angle which, in conjunction with a concentration detector, enables the calculation of the absolute molecular weight of proteins, synthetic & natural polymers, and also molecular size expressed as the radius of gyration, Rg. 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...

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The Viscotek SEC-MALS 20 is an advanced light scattering solution for the characterization of all sample types by advanced GPC/SEC *Sample dependent

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Malvern Instruments Limited Grovewood Road, Malvern, Worcestershire, UK, WR14 1XZ Tel +44 1684 892456 Fax +44 1684 892789 www.malvern.com Malvern Instruments is part of Spectris pic, the Precision Instrumentation and Controls Company. Spectris and the Spectris logo are Trade Marks of Spectris plc. spectris All information supplied within is correct at time of publication. Malvern Instruments pursues a policy of continual improvement due to technical development. We therefore reserve the right to deviate from information, descriptions, and specifications in this publication without notice. Malvern...

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