Assertion: standard hydrogen electrode | /r/CapableOf | have made a solution of hcl
Facets:
value: with a very accurately determined concentration
type: OTHER
value: to have made platinum electrodes
type: PURPOSE
Source sentences:
text: It has to have freshly made platinum electrodes, a solution of HCl with a very accurately determined concentration corresponding to unit activity of hydrogen ions, and the safe provision of a hydrogen gas source at 1 atmosphere pressure.