Assertion: concentrated phosphoric acid | /r/HasProperty | a liquid-gas contact zone
Facets:
Source sentences:
text: The evaporation vapor thus produced separates from the concentrated phosphoric acid in the separator, the concentrated acid issuing through the duct 8, the evaporation vapor issuing through duct 9 and being subsequently condensed in the mixer-type condenser 10 which constitutes a liquid-gas contact zone.