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                              Purifiers and Filters for Instruments and Laboratory Applications

                              35_Gas-Purifiers-and-Gas-Filters

                              For Instrument and Laboratory Applications, choose: Gas Purifiers -?in-line and cartridge types for removal of oxygen, hydrocarbons, water; and?In-line Gas Filters -?all-welded depth filters, high pressure filters, high purity membrane types.

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                              Pur Gas Cartridge In-line Purifier

                              Gas Purifiers

                              Purifiers are used to remove specific chemical components from a gas stream. They function by either catalytic action or by adsorption. Several types of purifiers are expendable (when saturated, must be replaced) and some can be regenerated (they can be reactivated).

                              It is important to realize that purifiers are not filters, which function differently.

                              MATHESON offers a wide range of purifiers including oxygen removing, moisture removing, and oil (hydrocarbon)?removing types.

                              To improve and support laboratory performance, MATHESON now offers PUR-Gas?, an innovative series of cartridge-type and in-line purifiers for point-of use applications. These systems allows easy replacement of the exhausted cartridges within seconds without the use of any hand tools, thus minimizing operating downtime.

                              The PUR-Gas? purifiers are available to remove moisture, oxygen and hydrocarbons. In addition, a PUR-Gas? System for Nitrogen is also available to enhance LC/MS instrument operation.

                              Gas Filters

                              High Performance In-line Gas Filters

                              Filters are used to remove particulate matter from the gas stream in which they are deployed. The ideal placement of filters is just before the point-of-use of the gas, in order to trap any particles generated in the delivery line or from the source.

                              They utilize various types of filtration media for a specific application to limit travel of particulates by size through them. The size (diameter) of the smallest particles removed is expressed as the performance rating of the filter, generally expressed as “microns.”

                              MATHESON?offers high purity "depth" filters that provide 100% filtration efficiency at a 0.2 micron level. Membrane and ceramic type filters have a 100% filtration efficiency rating at a .01 micron level.

                              The useful lifespan of filters varies by application. Particulate size and density in the supply line, coupled with active time (duty cycle) being used, are the primary factors that determine the useful life of the filter. In general, when the pressure drop across the filter (upstream to downstream) increases by approximately 50%, the filter is becoming clogged with particulates and should be replaced.

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                              Purification

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