Impact Analytical has extensive expertise and instrument capability in this area. We can characterize polymers from all classes, using solvent systems from tetrahydrofuran (THF), to hexafluroisopropanol (HFIP), to aqueous. We offer both differential refractive index (DRI) and multi-angle laser light scattering (MALLS) detection. Standard calibration is used to give relative molecular weight with DRI analysis, while MALLS detection gives “true” molecular weight.
Examples of polymer systems characterized include:
- Acrylonitrile butadiene styrene (ABS)
- Polyquaternium compounds
- Epoxy materials
- Hindered amine light stabilizers (HALS)
- Polyethylene glycol
- Polyvinyl chloride (PVC)
- Polyamide (Nylon)
- Hyaluronic acid-based polymer
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