دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: a compound in which chromium has a valence of 6, e.g., sodium bichromate. Chromate may be added to drilling fluids eimer directly or as a constituent of chrome lignites or chrome lignosulfonates. In certain areas, chromate is widely used as a corrosion inhibitor, often in conjunction with lime.

n: the substant is made by fermenting to get rif of sweet and alkalize with tall and thendepositing and geing rid of calcium sulphate with subphurous acid ferrum and at last being oxidated by sodium bichromate

n: Na2Cr2O7. Also called sodium dichromate. See chroma/e.