Assertion: hypochlorous acid's ph | /r/HasProperty | maintained for long time
Facets:
value: stably
type: DEGREE
Source sentences:
text: Therefore, the pH can be stably maintained for a long time by leaving the weakly acidic ion exchanger in the solution of the weakly acidic hypochlorous acid without removing it after decreased the pH of the hypochlorite solution by the method of the present invention.