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cold  trap;knock-out trap;dry-ice trapÕâÈý¸ö´ÊÔõô·­Ò룿ԭÎÄÈçÏ£º
Be aware of the need for secondary condensation.such as a dry ice/alcohol trap.When vacuum distilling low boiling solvents.A vapor knockout trap should be installed at the pump outlet as standard practise.
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