Assertion: hypophosphorous acid's salt | /r/HasProperty | included at concentration
Facets:
value: normally
type: DEGREE
value: from about 0.25 m
type: TEMPORAL
Source sentences:
text: Boric acid or a salt thereof is normally included at a concentration of from about 0.25 M to about 1.5 M, preferably from about 0.5 M to about 1.0 M.