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MALLS Detector

MALLS Multi-Angle Laser Light Scattering Detector

Characterising dilute macromolecular solutions using static light scattering has never been easier, more accurate or better value!


Why use a multi angle light scattering (MALLS) detector?

Static laser light scattering (SLS) is an absolute method for molar mass determination and facilitates the direct determination of the characteristic properties of the macromolecular species without previous calibration or any other type of assumption or comparison.

It is ideal for studying synthetic, natural and biopolymers in solution including proteins and polysaccharides.


What information do MALLS detectors provide?

In addition to the molecular weight and its distribution MALLS detectors provide informations about:

  • structure
  • radius of gyration
  • branching
  • aggregation
  • conformation
  • stability
  • nano structures
  • polymerisation
  • degradation


What can you expect from a modern multi angle light scattering detector?

Modern MALLS detectors with latest technology deliver reliable information with easy handling. The new designed SLD7100 series represents the latest development in light scattering.

Due to its new cell design which allows direct detection of scattered light in the cell (just one transition phase) there is no need to correct the scattering angle, even when changing solvent.

The positioning of this cell leads to an optimized solvent flow which reduces air bubbles significantly. This in combination with a very small scattering volume of the cell and the optimized fiber optics with ultra-sensitive CCD delivers highest accuracy and sensitivity for any kind of polymer analysis.



  • absolute method: determination of mol masses, radii of gyration and structures without assumption or calibration.
  • only 1 phase transition of the scattered light: no angle correction needed, even when solvent has been changed.
  • fiber-optical system: high sensitivity, low noise and minimized stray light
  • ultra-sensitive CCD: highest sensitivity
  • extremely low scattering volume: highest selectivity
  • designed for online (chromatography) or stand-alone use
  • small cell volume (100µm): minimize band broadening and artifacts
  • small footprint design: requires minimal bench top space
  • integration software WINGPC

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