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Laboratory ovens contain many components and other procedures that can be harmful to the user. Proper procedure and safety can help lead to mitigating the amount of injuries and oven malfunctions when using laboratory ovens. Before the oven is used, check to make sure that the oven is still in good working condition.
A complete cycle involves heating the oven to the required temperature, maintaining that temperature for the proper time interval for that temperature, turning the machine off and cooling the articles in the closed oven till they reach room temperature. The standard settings for a hot air oven are: 1.5 to 2 hours at 160 °C (320 °F)
Most toaster ovens are significantly larger than toasters, but are capable of performing most of the functions of electric ovens, albeit on a much smaller scale. Masonry oven Masonry ovens consist of a baking chamber made of fireproof brick, concrete, stone, or clay. Though traditionally wood-fired, coal-fired ovens were common in the 19th century.
Bunsen sought to improve existing laboratory burner lamps as regards economy, simplicity, and flame temperature, and adapt them to coal-gas fuel. While the building was under construction in late 1854, Bunsen suggested certain design principles to the university's mechanic, Peter Desaga , and asked him to construct a prototype.
Such ovens are also sometimes known as kilns, though they do not reach the same high temperatures as are used in ceramic kilns. Baking ovens – Combines the function of curing and drying ovens. Reflow Ovens – A reflow oven is a machine used primarily for reflow soldering of surface mount electronic components to printed circuit boards (PCB).
A mechanical convection oven contains a blower that actively forces heated air throughout all areas of the chamber. The flow created by the blower ensures uniform temperatures and the equal transfer of heat throughout the load. For this reason, the mechanical convection oven is the more efficient of the two processes.
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Glass watch glasses – These can be reused after they are sterilized in an autoclave or a laboratory oven. The glasses provide high resistance to thermal shock, chemical resistance, and mechanical durability. [6] Plastic watch glasses – These are disposable watch-glass used in laboratory work to avoid cross-contamination while preparing the ...
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