Laboratory Fume Hood

We all know that the fume hood is a type of local exhaust ventilation system inside the laboratory. Its function is to keep exhausting a defined enclosed cabinet while in use. But does your fume hood perform as per the international standards? How to know that the fume hood is efficient enough? What are the standards? What are the measurements? Can we measure its performance ourselves? We will have all the questions answered in rest of the article. Fume hood must have negative pressure at any given point of time while in use. If negative pressure is not maintained inside then hazardous fumes will escape

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