Gel Permeation Chromatography/Size Exclusion Chromatography (GPC/SEC) systems
Viscotek TDAmax

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Viscotek TDAmax system components
Viscotek TDAmax system for temperature controlled Gel Permeation Chromatography
Viscotek TDAmax system for temperature controlled Gel Permeation Chromatography

The Viscotek TDAmax is a complete, advanced, multidetector GPC/SEC system suitable for all macromolecular applications. It consists of three unique and complementary components

  • Triple or Tetra Detector Array (TDA),
  • GPCmax integrated solvent and sample delivery module
  • OmniSEC software


The TDAmax system consists of the following components:

 
Triple detector / tetra detector array for Viscotek Size Exclusion Chomatography systems
TDA Detector

The Viscotek TDA sets the standard for GPC/SEC technology and is the world’s leading multi-detector platform. As a Triple Detector Array it employs refractive index, viscometer and light scattering detectors all acting in concert, with each detector providing complimentary data on the macromolecules being analyzed. In its Tetra Detector format, the addition of a UV detector provides a wealth of additional compositional data particularly when the optional Photodiode Array (PDA or DAD) is used to make spectral measurement of all wavelengths simultaneously.
Triple detector / tetra detector array for Viscotek Size Exclusion Chomatography systems
 
GPCmax - Solvent and sample delivery module for GPC/SEC applications
GPCmax™ - combined pump, degasser and autosampler
The GPCmax is the world’s leading solvent and sample delivery module exclusively for GPC/SEC applications. Designed by GPC/SEC practitioners to deliver unparalleled robustness and performance for these demanding applications, it provides the reliable and stable chromatographic foundation for the TDAmax Triple and Tetra detection systems.
GPCmax - Solvent and sample delivery module for GPC/SEC applications
 
OmniSEC - the software behind the Viscotek GPC/SEC systems
OmniSEC™ Software
OmniSEC is a powerful and flexible GPC/SEC software program specifically designed to maximize the information content and efficiency of the multiple detector chromatography experiment. Key features include interactive programs for calculation of results in a real-time time environment, automatic baseline and peak detection, multiple peak analysis, copolymer and conjugate compositional analysis and determination of A2 values. OmniSEC allows full control of the Triple and Tetra Detector Arrays and GPCmax, along with data acquisition, processing, reporting and export.
OmniSEC - the software behind the Viscotek GPC/SEC systems

 

 

More information

 

Featured presentations and application notes:
 
Requires free registration and loginApplication communication: Protein and polymer molecular size by GPC/SEC
The main goal of most Gel Permeation/Size Exclusion Chromatography (GPC/SEC) experiments is to determine the molecular weight distribution (MWD) of the sample or compare molecular weights (MW) of several samples.
  Download the Application Note: Protein and polymer molecular size by GPC/SEC
 
Requires free registration and loginApplication Note: Characterization of chitosan from various sources
This note proves that the use of conventional viscometric measurements of chitosan to estimate the molecular weight using Ubbelhode-type viscometer are flawed as the M-H curve exhibits a curvature. However, the Viscotek triple detector was used to study successfully the molecular weight and conformation of chitosan.
  Download the Application Note: Characterization of chitosan from various sources

Requires free registration and loginMore application notes and online presentations are available to search for FREE in the Malvern Application Library and Presentations Database (Requires Free registration).