chromatography resin News

  • Purolite Life Sciences introduces high- resolution agarose based chromatography resins for protein purification

    Purolite Life Sciences introduces a new line of agarose-based chromatography resins optimized for biomolecule purification. The new dextran-free products are marketed under the Praesto™ brand and include anion exchangers, cation exchanges and plain base matrices used for purification of recombinant proteins (including mAbs) and plasma fractionation. This product line expands the Life ...


    By Purolite Corporation

  • 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 ...


  • Determination of Melamine in food by ion chromatography

    Metrohm has released a simple and accurate method for the determination of melamine in milk powder and other food using ion chromatography after inline sample dialysis. The new method requires only moderate spending on instrumentation and is sensitive enough to quantify melamine contents well below the limits set by food safety regulatory authorities around the world. Melamine is an industrial ...


    By Metrohm AG

  • 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

  • BÜCHI Labortechnik AG buys Flash Chromatography and ELSD Product Lines from Grace

    BÜCHI Labortechnik AG has entered into an agreement to buy the flash chromatography and ELSD product lines from Grace Discovery Sciences. The transaction has been approved by the board of directors of Grace and BUCHI and was closed with immediate effect. As such the Reveleris® Flash Chromatography Systems, GraceResolv™ and Alltech® ELSD 3300 brands of products will now be ...


    By BÜCHI Labortechnik AG

  • Carbohydrate analysis in essential and non-essential foodstuffs

    Due to their importance as macronutrients, the determination of carbohydrates or saccharides is of great interest in food analysis. Metrohm has developed a straightforward ion chromatographic method using isocratic elution and pulsed amperometric detection (PAD) to sensitively determine water-soluble polyols and sugar alcohols as well as mono-, di- and oligosaccharides in essential and ...


    By Metrohm AG

  • 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

  • New Phenomenex GC Column Set for Chlorinated Pesticides Runs Seven EPA Methods

    Phenomenex Inc., a global leader in the research and manufacture of advanced technologies for the separation sciences, introduces Zebron™ ZB-CLPesticides-1 and 2 for dual-column pesticide testing by GC/ECD (electron capture detection). This column set saves time and money for chlorinated pesticide testing commonly performed by environmental and drinking water testing labs, which often need ...


    By Phenomenex, Inc.

  • ASTM C1571 - 03(2012) Standard Guide for Characterization of Radioactive and/or Hazardous Wastes for Thermal Treatment

    This guide identifies methods to determine the physical and chemical characteristics of a variety of hazardous and/or radioactive wastes including heavy metal contaminated wastes. These wastes can be in the physical form of sludges (wet or dry), spent waste water filter aids, waste water filter cakes, incinerator ashes (wet or dry), incinerator ...


    By ASTM International

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