Assertion: phosphoric acid's concentration | /r/CapableOf | become infeasible
Facets:
value: essentially
type: MANNER
value: above 0.15
type: OTHER
Source sentences:
text: Concentration is relatively easily achieved at the present preferred range (0.08-0.13) but becomes essentially infeasible at N/P 2 O 5 weight ratios above 0.15.