Britannica
Sources used in this answer
What is the purpose of the diaphragm in an electrolytic chromium cell?
Created from Britannica articles
using AI.
AI can make mistakes, so verify using Britannica articles.
chromium processing
Chromium.
In an electrolytic cell used for chromium production, the diaphragm serves a critical separation function. Its purpose is to prevent the chromic and sulfuric acids that are generated at the anode from mixing with the catholyte (the electrolyte surrounding the cathode). By maintaining this separation, the diaphragm ensures the efficiency and stability of the electrolysis process as chromium is plated onto the stainless-steel cathode.1