Polyolefin Analysis

A blog on polymer analysis and all things related

Comparison of Infrared detectors for GPC/SEC analysis

  • January, 19 2021
  • Category: GPC/SEC
  • By: Raquel Ubeda

  By coupling and with any of Polymer Char’s Infrared detectors – IR4, IR5, or IR6 – it is possible to obtain both molecular weight distribution and chemical composition information of polyolefin resins. Each IR detector was developed with a . . . read more »

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How to dry the resulting fractions obtained from a preparative fractionation system

Preparative fractionation systems, like PREP mc2 and PREP C20, fractionate polymers by dissolving them in the appropriate solvent and then separating their molecules according to certain parameters, such as molecular weight and crystallinity. At the end of the process in . . . read more »

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How we make our GPC/SEC columns last longer (almost 2 years)

  • May, 4 2020
  • Category: GPC/SEC
  • By: Esther Lopez

As analysts in the Gel Permeation Chromatography (GPC) field, we know that picking the right columns and developing a stable analysis method is essential to delivering precise and accurate results. Even the most comprehensive analytical system will fail to provide . . . read more »

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