Stuck stopper

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User: mdonnelly

Any ideas for removing stoppers that are stuck in glass volumetric flasks
 

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User: Sushi

What material is the stopper made from? Plastic? Rubber? Glass? I use a corkscrew on the plastic or rubber ones that get stuck - only if using vaseline and a pair of pliers doesn't work first.
 

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User: Sushi

A drop of oil around the gap between the stopper and the neck - then gently tap the stopper on two opposing sides, and then tap the neck of the bottle on the opposite opposing sides (at 90 degrees to where the stopper was tapped). If at first you don't succeed.....

Be careful to catch to catch the stopper as sometimes it can fly out!
 

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User: Jyeardly

try the hot tap water trick I sugested for the desicator wrap a cloth around the stopper

works on plastic and glass rubber need to be cut out with care as you might damage the ground glass surface
 
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