a red or orange crystalline, water-soluble solid, Na 2 Cr 2 O 7 ⋅2H 2 O, used as an oxidizing agent in the manufacture of dyes and inks, as a corrosion inhibitor, a mordant, a laboratory reagent, in the tanning of leather, and in electroplating.
sodium dichromate is a hexavalent chromium compound.
The chromate solution was mixed from dry sodium dichromate at the reactor areas or brought in as a concentrated liquid solution.
Leaks and spills of concentrated sodium dichromate stock solutions likely occurred where it was stored and handled.
British Dictionary definitions for sodium dichromate
a soluble crystalline solid compound, usually obtained as red or orange crystals and used as an oxidizing agent, corrosion inhibitor, and mordant. Formula Na2Cr2O7Also called (not in technical usage) sodium bichromate