Meinhard Glass Products

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Laminar FLOW BOX BasicPortable Cleanroom TechnologyModel FBS-V-37Laminar flow module with vinyl curtainModel FBS-37With optional frame base/cabinetModel EFBS-V-37Laminar flow module with vinyl curtainand exhaust
Aerosol-to-LiquidParticle eXtractionSystem (ALPXS)*A new device developed at Savannah RiverNational Laboratory collects and concentratesairborne metals into a liquid sample foronsite/real time or laboratory analysis. Useful asa tool for coupling ICPMS/OES to airborne particleanalysis, the ALPXS can offer near real timesampling and analysis of welding fumes,workplace exposure measurement, orenvironmental metal particle monitoring. Thedevice is portable and consumes only 12 watts ofpower.Uses wet electrostatic precipitation to separateparticles from air.Collection efficiency is greater than 90% forparticles less than 0.3 micrometers in diameter.Particles in air are drawn through the ionizationchamber at a flow rate of between 200 and 300LPM.Ionization chamber charges particles at 8000volts.Particles are collected in a liquid reservoir with avolume of 10 - 200 mL.Liquid continuously washes collection electrode togather particles during the measurement.Collection Efficiency versus sampling air flow rate.Now, for the first time, you can potentially measure metal concentrationsapproaching picogram per cubic meter levels, or lower.Comparison with OSHA PEM for Lead (Pb) ExposureDevice Sampling Total Air PbTime, hr Volume, m 3 ug/m 3ALPXS 0.8 14.4 4.8OSHA PEM 2.5 0.3 2.7* Analysis for Pb by ICPOES*U.S. Patent 6955075, Washington Savannah River Company LLC
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Meinhard Glass Products

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