Assertion: perchloric acid's use | /r/HasProperty | 38cl t 1/2 = 37.2 min
Facets:
value: of these
type: OTHER
Source sentences:
text: Of these, the most commonly used in the laboratory are 36Cl (t 1/2 = 3.0×105 y) and 38Cl (t 1/2 = 37.2 min), which may be produced from the neutron activation of natural chlorine.