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  • Medical Device Link .
    Syringe filters, membranes, and holders in many configurations are designed and manufactured to optimize the performance of sophisticated high-resolution ultra-high-pressure liquid chromatography (UHPLC) systems. The sample-preparation devices can minimize column clogging. They exhibit low
  • Medical Device Link .
    , or some minerals), this technology has seen commercial use only in plastic films. While TEMs are typically used in the filtration of samples prior to critical processes such as high-pressure liquid chromatography (HPLC), there is an increasing number of other operations that can be performed
  • MICRO: Product Technology News (February 2001)
    prior to shipping. Producing proportions of <50 ppb to 5 ppm, the Series 57 arsine permeation tubes deliver verifiable, low-concentration gas standards. Each stainless-steel tube measures 6 x 1.75 in. and contains a permeation membrane. Eliminating the need for high-pressure cylinders that contain
  • Ion Spectrometry to Cut Cleaning Validation Time
    Cleaning validation is a critical part of current Good Manufacturing Practice (cGMP), requiring manufacturers to spell out, and then verify, the procedures that they use to clean their equipment. After cleaning, operators typically use high pressure liquid chromatography (HPLC) to sample reference
  • Medical Device Link . Stabilization of Gamma-Irradiated Polycarbonate
    of additives. In order to shed light on the radiolysis mechanisms and yellowing processes of gamma-irradiated PC at the molecular level, a number of studies have been carried out using a range of techniques: analysis of by-products, Fourier transform infrared spectroscopy (FTIR), high-pressure liquid and gas

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