Burners precautions with

Erlenmeyer flasks with wide mouths are easier to handle and less likely to spill than round-bottom flasks with wide mouths. Because of the flat bottom on the Erlenmeyer, a burner is used to supply heat rather than a heating mantle. However, because of safety precautions with flames, a round bottom flask and a heating mantle are used here. 

The first time you get the urge to take out a Bunsen burner and light it up, don t. You may blow yourself up. Please check with your instructor to see if you even need a burner. Once you find out that you can use a burner, assume that the person who used it last didn t know much about burners, and take some precautions so as not to burn your eyebrows off. 

Precautions should be taken to avoid flashbacks. Flashbacks result from improperly mixed fuel and air, such as when the flow regulators on the instrument are improperly set or when air is drawn back through the drain line of the premix burner. Manuals supplied with the instruments when they are purchased give more detailed information on the subject of safety. 

Burner management controls, complete with flame scanners, purging, and cooling should be provided to ensure boiler safety. Supplementary firing should be limited to a fraction of the gas turbine load. The applicable safety codes are a function of the presence of fuel gas in the proximity. Precautions include the use of double stuffing glands with bleeds between the glands on... 

Researchers who worked in chemical laboratories 25 years ago will remember well that benzene was one of the common solvents used extensively, without any special precautions, for column chromatography and for general cleaning. Diethyl ether extraction of organic substances was carried out in laboratories equipped with gas hot water geysers, with ever lit pilot flame, and metals like lead, mercury, cadmium and arsenic were detected by carrying out flame test using Bunsen burners (mi the work bench. 

Special precautions. All glassware must be dried in an oven before use, since the reaction must be performed under anhydrous conditions, in an inert atmosphere. Additionally, once the glassware has been assembled and placed under an inert atmosphere, but before the addition of any solvents or reagents, it should be flame dried using the Bunsen burner in tandem with a flow of inert gas. Care should be taken not to use a naked flame in the proximity of flammable solvents or oils. DAST... 

Finally, hair that is shoulder length or longer should be tied back. This precaution is especially important if you are working with a burner. 

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