hori - incr
- horizontal electrodes
- host-guest chemistry
- hot atom
- hot cell
- hot hollow cathode
- HRELS
- Hurter and Driffield curve
- hydrodynamic voltammetry
- hydrogen gas electrode
- hyperchromic shift
- hypochromic shift
- hypsochromic shift
- hysteresis
- ignited alternating current arc
- ignition
- ignition circuit
- ignition pulse
