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  • Supplying High Purity Gases (.pdf)
    Selecting the most effective source for high purity gases is a critical issue for laboratory managers. Zero Air and hydrogen are used for gas chromatography with flame ionization detection (GC-FID), and nitrogen is used for high performance liquid chromatography or gas chromatography with mass
  • Supplying High-Purity Gases: Making a Case for In-House Gas Generators (.pdf)
    Selecting the most effective source for high-purity gases is a critical issue for laboratory managers. Zero air and hydrogen are used for gas chromatography with flame ionization detection (GC-FID), and nitrogen is used for high-performance liquid chromatography or gas chromatography with mass
  • Analytical Testing of Pressure Sensitive Adhesive Constructions - What Can It Reveal?
    in nature. The most common tests that are used for an initial "chemical" look at a PSA are: Fourier Transform Infrared Spectroscopy (FTIR). Differential Scanning Calorimetry (DSC). Gas Chromatography (GC). Liquid Chromatography or High Performance Liquid Chromatography (LC or HPLC). FTIR involves
  • 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
  • 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
  • Critical Leak Requirements in GC/MS, LC/MS and Analytical Instruments (.pdf)
    Gas Chromatography/Mass Spectrometry (GC/MS) and Liquid Chromatography/Mass Spectrometry (LC/MS) are analytical techniques used for chemical analysis. The properties of a sample are first separated using chromatography and then identified with the mass spectrometer. The equipment used
  • Guildelines for Selecting Small Pumps
    . Knowing the tolerance range is also important. If a pump designed to operate at 115± 10 Vac is located where the voltage may vary as high as 130V, the pump may shut down, resulting in overall system failure. One case in point is a high-pressure liquid chromatography (HPLC) analyzer for which

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