Assertion: calomel electrode | /r/HasProperty | constructed
Facets:
value: usually
type: DEGREE
value: from a platinum wire
type: OTHER
Source sentences:
text: The calomel electrode (more accurately described as the 'mercury/calomel electrode') is usually constructed from a platinum wire inserted into a mixture of calomel (mercurous chloride, Hg 2 Cl 2 ) and liquid mercury, with an electrolyte solution of KCl or NaCl.