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Containment Using a Non-Reactive Atmosphere

Dr. Bob HaugenDirector of Product and Technology Development Gary DeanMechanical Designer What happens when the air itself becomes a threat to whatever process is being undertaken? Abstract: There are frequent cases where the atmosphere we live in every day can become a laboratory hazard. The earth’s atmosphere contains Nitrogen (78%), Oxygen (21%), Argon (1%), and …

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Fume Hood Fire Issues above the Duct Collar

Dr. Bob HaugenDirector of Product and Technology DevelopmentFlow Sciences, Inc. Abstract: We have already looked at accidents inside fume hoods and posed several questions that might rush through one’s mind directly after a fume hood fire erupts 1. From this earlier paper referenced above and an additional literature search we will examine the following issues in this …

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Scale-Up Chemical Syntheses and Larger Fume Hoods: How History Inspires Present Realities

Abstract:     For years, there has been a demand for large fume hoods and other containment devices to handle bulky process equipment. Many types of experiments are placed in these hoods: syntheses involving distillation columns, reflux reactor flasks, and racks of analytical vessels like Kjeldahl digestion flasks. This paper reviews the types of large fume …

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