微波消解ICP—AES法测定高碳铬铁中铬锰磷

Determination of Cr,Mn and P in high carbon ferrochrome by microwave digestion and ICP-AES method

用微波消解法,配合电感耦合等离子体原子发射光谱技术,选择适宜的工作条件,建立定量测定高碳铬铁中铬、锰、磷的方法。结果表明,此法快速、准确,回收率在90.9%~101.2%之间,相对标准偏差不大于2.84%。

Using microwave digestion method and ICP-AES technique,the content of chrome,manganese and phosphorus in high carbon ferrochrome was determined under proper working conditions.The results show that the method is quick and accurate,the recovery rate is in the range of 90.9% to 101.2% and the RSD ≤2.84%（n=8）.