Direct current

{
  "id": "MLC-T-CHM-003252",
  "term": "Direct current",
  "field": "Chemistry",
  "definition": "An electric current that flows in only one direction, with a magnitude that is either constant or varies slowly with time. In electroanalytical chemistry, it is applied in techniques like DC polarography and coulometry to drive electrochemical reactions at a working electrode. Unlike alternating current, which periodically reverses direction, direct current maintains a constant polarity.",
  "subject": "Analytical Chemistry",
  "references": [
    "PAC, 1985, 57, 1491. 'Recommended terms, symbols, and definitions for electroanalytical chemistry (Recommendations 1985)' on page 1495 (https://doi.org/10.1351/pac198557101491)"
  ],
  "url": "https://mlchart.com/terminology/chemistry/direct-current/"
}