Gas Purifiers       from VICI Mat/Sen Point-of-use gas purification of helium, hydrogen, methane, nitrogen, carbon dioxide, or air Reduce gas impurities from high PPM to low PPB levels Decrease baseline noise and increase GC/MS sensitivity Replace three traps with one gas purifier   Gas purification is critical to GC performance. Several types of contaminants are detrimental - notably moisture, hydrocarbons, and oxygen. VICI Mat/Sen™ gas purifier modules are designed to be placed in-line with the GC carrier or detector gas supply to remove these contaminants from the analytical gases prior to entering the GC.   Mat/Sen gas purifiers dramatically reduce contaminant levels and absorb a greater variety of contaminants than other gas purification products. Advanced materials and design features guarantee that the modules will produce gases that are at least a factor of ten higher than a 99.9999% “chromatography grade” cylinder of gas when the purifier is supplied by a 99.995% cylinder. (illustration) The cost difference between the two grades of gas will pay for the cost of the gas purifier several times over during its operating life.   Gas purification is optimized by a multiple bed format. (illustration) Each bed functions at a lower contaminant concentration, resulting in a series of contaminant concentration gradients across the length of the gas purifier.   Safety note: Not to be used for purification of oxygen Further reference Printable data sheet A word about fittings Carbon dioxide gas purifier Contaminant traps Valco helium purifier (heated to provide maximum nitrogen removal)
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