Assertion: free chlorine | /r/AtLocation | water
Facets:
value: as hypochlorous acid
type: MANNER
value: as the hypochlorite ion
type: OTHER
value: usually
type: TEMPORAL
Source sentences:
text: Free chlorine has the highest disinfection efficacy and usually exists in water as hypochlorous acid (HOCl) or the hypochlorite ion (OCl – ), with the proportion of each dependent upon the pH of the sample.