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...the separation of particles from fluid or air. In the most elementary of filters, gravity alone does the job of moving the substance through the filter. Of course, this does not work in modern medical applications. New mechanical filtration methods require materials that can withstand high pressures...

...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,4 7 Fourier transform infrared spectroscopy (FTIR),6,8 high-pressure liquid and gas chromatography combined with mass spectrometry,9 visible absorption...

...of the sensor, making the pressure sensor?s output fairly useless, unless the temperature of the bridge is known. Flow and level sensor accuracies are dependent on the density of the liquid or gas. Temperature Sensing Technologies. M. AN679. Temperature Sensing Technologies. SO MANY TEMPERATURE SENSORS. Author...

...electrophoresis and high-performance liquid chromatography employing one of the various molecular-property-dependent separation procedures (e.g., ion exchange, gel filtration, or gel permeation with hydrophobic interaction or reverse-phase separation methods). Mass detection methods...

...formulation. Representative sections from seal samples were examined using a scanning electron microscope (SEM). These sections were prepared by freezing small pieces of each sample in liquid nitrogen, followed by rapid mechanical sectioning to minimize plastic deformation of the sample surface...

Chromatography. Liquid Chromatography. Magnetic Resonance Imaging. Mass Spectrometry. Microarrays Scanners. Molecular Spectroscopy. Nuclear Magnetic Resonance. PCR/ QPCR. Thin-Layer Chromatography. X-ray Crystallography. Premium Refurbished Instruments. Software & Informatics. Services. Analytical...

Description Measurement principle The Advance Cemas FTIR is a multi-component emission monitoring system for simultaneously measuring HCl, HF, NH3, CO, NO, NO2, SO2, H2O, CO2 , O2 and total hydrocarbons. The infra-red-active measurement components are measured at high temperature (180oC) using an FTIR...

...benzene-related. that this level may be too high. to a catalyst at high pressure. Researchers reported in the. to form aromatic compounds. December 2, 2004 issue of Science. The benzene is separated out using. that workers in a Chinese shoe. solvents. Alternatively, toluene can. factory exposed to less...

...a number of cleaned metal pieces into equilibrium within a closed jar, then analyzed the headspace above the pieces by using high-pressure liquid chromatography to determine the concentration of perchloroethylene released. The concentration of perchloroethylene was undetectable by high...

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