A new method of EDTA complex titration method has been developed to substitute the potassium bi-chromate method for determination of metallic iron in V-Ti bearing blast-furnace slag.

• 研究和提出了以碘-乙醇为试剂分离金属铁,EDTA络合滴定法测定钒钛高炉渣中金属铁的新方法。