Blowing inside the container with an air compressor will dry it fast if you have one especially if you place the container in a warm bath. Or a hair drier. Even when the air hot the bottle will get colder that's how fast it can evaporate sucking all the heat from the hair dryer and expell it through vapor. Another solution is using a vacuum pump but will necessitate a hot bath for efficiency. This method is the most efficient to ensure no solvent trace in the end product. But if you're recrystallizing than you should just let it evaporate in its own slowly. Even place a loose lid for slower evaporation. It's a game of patience.
Blowing inside the container with an air compressor will dry it fast if you have one especially if you place the container in a warm bath. Or a hair drier. Even when the air hot the bottle will get colder that's how fast it can evaporate sucking all the heat from the hair dryer and expell it through vapor. Another solution is using a vacuum pump but will necessitate a hot bath for efficiency. This method is the most efficient to ensure no solvent trace in the end product. But if you're recrystallizing than you should just let it evaporate in its own slowly. Even place a loose lid for slower evaporation. It's a game of patience.
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