Chemical fume hoods, when used properly, are one of the most reliable engineering controls in the laboratory. They protect workers by: Containing vapors, dusts, gases, and fumes generated within the hood, and removing them as air flows into the hood and then out via the laboratory exhaust system.
The magnetic stirrers are also known as magnetic stir plates and quite commonly used for experiments in chemistry and biology. They are very useful when you need to mix component, either solids or liquids and get a homogeneous liquid mixture. Some of the common samples include bacterial growth media as well as buffer solutions. The main function of a stirrer is to agitate the liquid for speeding up the reactions or improving mixtures. A magnetic stirrer is often used with hot plates.
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