Assertion: hypochlorous acid | /r/CapableOf | leave low level of calcium salt
Facets:
value: very
type: DEGREE
value: on the surface
type: LOCATION
Source sentences:
text: Although not residue free, as hypochlorous acid does leave a very low level of calcium salt on the surface — 1,200 ppm per 100 ml on a residue on evaporation test