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  • About Magnetic Resonance Imaging (MRI) Nuclear Magnetic Resonance (NMR)
    Dexter Magnetic Technologies has designed and produced a large variety of permanent magnet static field sources for MRI/NMR applications, some based on our current quadrature magnet patents and others so unique that patents have been applied for.
  • New Methods for the PAT Toolbox
    This quick, one-time registration gives you access to members-only site benefits. Although less used than IR and NMR, in a process setting Raman does some things quite well. Unlike IR techniques, Raman is non-invasive, requires no sample preparation, and may be combined with microscopy for studying
  • Measurement of Oil and Fat Content in Animal Feed without Drying
    Fat content is an important nutritional and quality control parameter in the manufacture of animal feed, therefore a fast and reliable measurement is required for process optimisation. Nuclear Magnetic Resonance (NMR) relaxometry can determine fat content of animal feed in the presence of 9-14%
  • Mineral Oil in Crystal Polystyrene
    Mineral Oil is added to Crystal Polystyrene to increase its flexibility. Precise control of the amount of mineral oil used is necessary to ensure the correct performance properties are obtained reproducibly. NMR can provide a rapid and effective means of monitoring the mineral oil content
  • Polybutadiene in Impact Polystyrene
    Polybutadiene (or rubber) is added during polymerisation of styrene to increase the flexibility of polystyrene polymers. It is important to closely monitor the amount of polybutadiene added, so that the flexibility of the polystyrene polymer may be regulated. NMR can provide an effective and rapid
  • Measurement of Oil and Water in Seeds According to ISO 10565
    Accurate and fast determination of oil and water content in oilseeds is important to breeders, growers and buyers for determining the commercial value of crops such as rape (canola), sunflower, linseed (flax), soya bean and groundnut. Nuclear Magnetic Resonance (NMR) offers a clean, rapid
  • Sleuths on the Case
    and sent for analysis. Preliminary work with 1H and 13C (one dimensional) NMR yielded some promising results: 1H NMR showed a peak at 2.16 ppm, signaling an acetyl group, determined to be not from heparin (2.06 ppm) or the common contaminant dermatan sulfate (2.08 ppm). 13C NMR gave unusual peaks
  • Ram Sasisekharen on Systems Biology and Standardization
    Unlike with small molecules, the challenge with biopharma is the fact that very often, analytical techniques are used as stand-alone techniques to check the box; in other words, if you use NMR or a mass spec to get a certain measurement, you re looking at that measurement as an individual

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