The adsorptivity of N503(N, N di(sec octyl) acetamide) levextrel resin to cadmium in HBr and NaBr-H 2SO 4 media has been studied.

• 研究了N503（N，N?二仲辛基乙酰胺）萃淋树脂在氢溴酸、硫酸-溴化钠体系中对镉的吸附性能。