Fume hoods are local ventilation devices that decrease exposure to hazardous gases, poisonous vapors, and dust. Fume hoods are often substantial laboratory apparatus, with the lower cabinet functioning as a holder/table.
The original user of the fume hood was a scientist named Thomas Alva Edison. The cabinet in this context is not standard. However, some cabinets are designed for specific purposes. Consequently, fume hoods are typically utilized in labs and other authorized locations.
The need to employ a fume hood is owing to the risk or impact of alkaline or acidic chemicals, notably respiratory illnesses produced by poisonous fumes and even skin burning if exposed to these chemicals.
The skin can be damaged by chemicals such as Hydrochloric Acid (HCI), Nitric Acid (HNO3), Sulfuric Acid (H2SO4),
Not only may these chemicals cause harm to the skin, but they can also cause respiratory difficulties, as well as poisoning, and even death.
The objective of a fume hood can be achieved by including various complementing characteristics. In addition, to operate a fume hood, you must first comprehend the work methods and phases of functioning with this instrument.
The primary purpose of a fume hood is to serve as a location or container for conducting specific chemical investigations. Because of its specialized design, this device can minimize harmful chemicals so that they do not damage the air and the environment further. The fume hood is separated into two segments based on its performance.
1. Fume hood equipped with air ducts
This sort of cabinet is commonly found in industrial settings. So that the performance of this tool is more emphasized in the manufacture of gas, dust, and steam. The three components, gas, dust, and steam will be directly absorbed and exhaled from the building.
Since air filtration happens outside the building, this may harm the environment. And the worst consequence is that it can harm the health of the individuals in the vicinity of the structure.
2. Fume hood without an air duct
Because this fume hood lacks a path for exhausting air, it only permits air to be absorbed or filtered within the room. This filtering procedure will be repeated twice.
In reality, the filtering process employing this sort of device is far more successful at keeping the environment clean and not unclean owing to chemical or air pollution caused by absorption.
Everything has a risk, not only having a good influence but also the potential for a negative one.
Things That You Need Pay Attention To
1. Do not keep chemicals near fume hoods or in them.
2. Ensure that the acid cabinet window is closed when not in use and is only partially open while in use.
3. It is highly prohibited to place the head within the fume hood, and proper usage procedures must be observed.
4. Before using the fume hood, ensure it is in good condition and clean.
5. Avoid using harmful substances or microorganisms in the fume hood.
6. At least once a year, conduct routine maintenance on the fume hood.
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