standard hydrogen electrode (she)
chemistry
Written & reviewed by James Millett — Biology (Imperial College London), PGCE Science (University of Cambridge).
Standard hydrogen electrode (SHE): the universal reference electrode, consisting of hydrogen gas at 100 kPa bubbled over a platinum electrode in 1 mol dm⁻³ H⁺(aq) at 298 K, assigned a potential of exactly 0.00 V.