Assertion: hydrogen fluoride | /r/AtLocation | partial condenser
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Source sentences:
text: Hydrogen fluoride, boron trifluoride and the minor part of decomposing agent are withdrawn from the top of column 2 through line 3, and are introduced to partial condenser 6, in which hydrogen fluoride, boron trifluoride and decomposing agent are cooled to the temperature at which the decomposing agent is condensed.