extraction chromatography resin News

  • Biodegradation of phenol resins

    Phenol resins are synthetic polymers belonging to the family of thermo-resistant polymers, with various commercial and industrial applications. Compared to common plastics, these resins present considerable difficulties for recycling, because they cannot be melted or mixed with other plastics, as they are incompatible. The difficulty of recycling or breaking them down means that many end up in ...

  • ASTM D6953 - 11 standard test method for determination of antioxidants and erucamide slip additives in polyethylene using liquid chromatography (LC)

    Separation and identification of stabilizers used in the manufacture of polyethylene resins are necessary in order to correlate performance properties with polymer composition. This test method provides a means to determine the polymer additives listed in Table 1 in polyethylene samples. This test method is capable of the determination of other antioxidants, but the stability of these during ...

    By ASTM International

  • Bisphenol A

    Biosolids post application. Bisphenol A, or BPA, is a high production volume chemical widely used in manufacturing polycarbonate plastics and epoxy resins that are used in many industries. Procedures described in a new ASTM International standard will be used for measuring BPA concentration in environmental media such as soils, sludges and biosolids. The new standard, ...

    By ASTM International

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