About the safe use of conventional flame heating sterilization equipment in laboratory
The flame heating or burning sterilization devices commonly used in the laboratory include alcohol lamps, Bunsen burners and electronic flame sterilizers.
1. Alcohol lamp
Alcohol lamp is a commonly used low-medium temperature heating and burning sterilization tool in the laboratory.
The correct and safe use of alcohol lamps should pay attention to the following points:
1. Under normal circumstances, the alcohol lamp is the gas of alcohol burning, so the lamp core is usually not consumed too fast. If it is found that the lamp core is consumed too quickly, it is necessary to adjust the length of the lamp core exposed to make it shorter; due to heat during burning The flame will rise. When the lamp core is too long, the cotton thread at the top will be ignited due to the high temperature of the flame burning from the vapor evaporating from the cotton thread located under it; in addition, the flame burning when the lamp core of the alcohol lamp is too long In the case of yellow fire, it is easy to deposit black carbon ash on the outer wall of the burned object, and the flame temperature will also decrease. Related downloads
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