The chemical potential
of electrons in a solid (metals, semiconductors or insulators) or in an electrolyte solution.
PAC, 1996, 68, 2223
(Glossary of terms used in photochemistry (IUPAC Recommendations 1996))
on page 2242
PAC, 1986, 58, 437
(Interphases in systems of conducting phases (Recommendations 1985))
on page 440