Advanced GPC/SEC chromatography
The Viscotek TDAmax is a powerful Gel Permeation/Size Exclusion Chromatography system with temperature control from ambient to 80°C. It is specifically designed for the characterisation of natural and synthetic polymers, copolymers, proteins, nanoparticles and other macromolecules. This advanced system is configured as follows:
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- Integrated Triple Array detector featuring a revolutionary Low Angle Light Scattering (LALS) Detector, four-capillary Differential Viscometer and Differential Refractive Index (RI) Detector.
- GPCmax Pump/Autosampler/Degasser Module for automated solvent and sample delivery.
- OmniSEC GPC/SEC software for complete system control.
The TDAmax will provide absolute molecular weight without extrapolation or correction, molecular size (Rh and Rg) to less than 1 nm, intrinsic viscosity as well as information on structure, conformation, aggregation and branching. Adding a UV-Vis detector creates an integrated Tetra Detector Array, which provides information on copolymers.
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Triple and Tetra Detector Array
The Viscotek Triple and Tetra Detector Arrays combine low angle light scattering with viscometry and concentration for complete and comprehensive macromolecular characterisation. All detectors reside within a temperature-controlled oven (ambient to 80°C), which also has space for 3-5 analytical GPC columns. This arrangement minimises inter-detector volumes to reduce band-broadening effects and insures that detectors, inter-detector tubing, columns and sample are maintained at the same temperature.
GPCmaxT
The GPCmax is a unique, integrated pump, autosampler and degasser module specifically designed for GPC/SEC applications. It features a variable injection volume autosampler capable of handling 2 ml or 20 ml vials, an isocratic pump for pulseless and reproducible solvent flow and an in-line solvent degasser. The GPCmax is controlled by the OmniSECsoftware and mates seamlessly with either the Triple or Tetra Detector Array to form a complete GPC/SEC system.
OmniSECT Software
OmniSEC is a powerful and flexible GPC/SEC software program designed to maximise the information from a multiple detector experiment. Key features include automatic baseline and peak detection with calculation of results in real-time. Interactive programs include, multiple peak analysis, copolymer and conjugate compositional analysis, determination of the second virial coefficient (A2) and branching (Bn) values. OmniSEC allows full control of the Triple and Tetra Detector Arrays and GPCmax, along with data acquisition, processing and export, and is 21 CFR part 11 compliant.
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