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What will happen if white phosphorus is stored under paraffin in an airtight container and not in water?
Storing white phosphorus under paraffin in an airtight container is highly inadvisable due to the detrimental effects of humidity and ambient pressure on paraffin's integrity. Exposure to extremely dry conditions leads to surface deterioration of paraffin, which can accelerate the peeling process when combined with dust particles. Maintaining a constant temperature is crucial for this storage method. Experts recommend using this approach only as a very short-term solution and advocate for better designs, such as utilizing a fume hood.
PREREQUISITESChemists, laboratory technicians, safety officers, and anyone involved in the handling and storage of reactive chemicals will benefit from this discussion.
Borek said:Really? Paraffin behavior depends on the humidity? That's the first I hear about it.
copper-head said:Other factors play an important role in how well this system works: Ambient pressure and most importantly humidity. Paraffin starts misbehaving a couple of hours after being exposed to an extremely dry atmosphere and its surface starts to deteriorate.
Thanks...copper-head said:Other factors play an important role in how well this system works: Ambient pressure and most importantly humidity. Paraffin starts misbehaving a couple of hours after being exposed to an extremely dry atmosphere and its surface starts to deteriorate. Small dust particle of the surface between the paraffin and the container will accelerate peeling off the surface, and finally, the temperature under which this system is kept need to be constant.
If I were to offer an opinion, this is a very bad idea, maybe use it as a "very" short temporary solution, but definitely need a better design (and a fume hood).
Tried and true. Wrap it around a beaker and place it in a vacuum over for an hour = disaster. On the other hand, do the same next to a steam source and slippage and peeling starts to occur.Borek said:Really? Paraffin behavior depends on the humidity? That's the first I hear about it.