An anti-degradation additive consisting of an anti-nitric acid agent (imine sulfate or urea) is used to reduce the degradation of a deoxidant, including positive fluid bearing oxygen or positive fluid oxides, used to extract metals from acid solutions. Sun, Sun, Sun (No. 1978-00).

摘要

Use of an anti degradation Additive selected from the group consisting of sulfamico acid or ureaTo reduce the degradation of extractants in Fluid clearance or decantation tanks,In a process of extraction with a composition comprising ortohidroxiarilocetoxima or ortohidroxiariloaldoxima.