A new kinetic catalytic method has been developed for the determination of gold with the ligand exchange reaction between potassium ferricyanide and EDTA used as indicatory reaction and the orthophenanthroline used as activator. 研究了一种以金为催化剂,以铁氰化钾与EDTA之间的配位体取代反应为指示反应,以邻菲罗啉为活化剂的新的动力学催化法。
The measuring conditions for spectrophotometric determination of iron with the Fe3+-SCN& orthophenanthroline ( Phen)-OP system were studied and a new method for the determination of micro amounts of iron in polyolefine resin was established. 研究了以Fe3+-SCN&邻二氮菲(Phen)-乳化剂OP为显色体系分光光度法测定聚烯烃树脂中微量铁的新方法,详细考查了最佳测定条件。