Malvern Omnisec GPC/SEC platform

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Malvern has produced a gel permeation chromatography (GPC)/size-exclusion chromatography (SEC) solution by coupling efficient sample separation with fully optimised, multidetector analysis. The platform delivers the high performance, ease of use and productivity demanded in the development of novel natural and synthetic polymers, pharmaceutical products, foods and other macromolecules.

Omnisec Reveal includes the following four detectors: refractive index (RI), UV/Vis photodiode array (UV-PDA), low-angle/right-angle light scattering (RALS/LALS) and viscometer. Its light-scattering detector is so sensitive that it can accurately measure molecular weights as low as 200 Da. Good temperature control across the complete module further boosts the accuracy of all measurements.

Omnisec Resolve consists of a sample degasser, pump, autosampler and column oven, each optimised for precise, high-resolution separations. A low-volume, high-efficiency degasser design enables rapid switchover from one sample type to another. The temperature-controlled autosampler eliminates injection waste, minimising the sample required for routine measurement and, in combination with the column oven, maintains all samples under closely controlled conditions throughout the analysis. This is especially important when dealing with materials such as proteins, which can be temperature sensitive.