photoA line of GPC/SEC (Gel Permeation/Size Exclusion Chromatography) PolyCAL Standards for natural and synthetic polymer applications is available from this company. The standards were developed as part of the company’s Total GPC Solution to customers for Universal Calibration or Triple Detector Calibration. The standards can free GPC operators from standard preparation tasks by providing pre-weighed, labeled portions that require the addition of solvent.
   The standards are available for organic (PS, polystyrene), and aqueous (PEO, Polyethylene glycol/oxide) applications. Packaging is available in 6 x 2 vials with 12 per box, or 6 x 12 vials with 72 per box. Viscotek