摘要
稀土元素在PH0．7-1．8的酸性溶液中与偶氮氯膦-mA能形成蓝色络舍物，蓝色的色泽强度与含量成比例关系，借此可进行光度分析。
In the acidic solution of PH value of 0. 7 - 1.8, rare earth elements could form blue complex with chlorophosphonazo-mA. The intensity of blue colour is proportional to the content, with which spectrophotometry can be made.
出处
《莱钢科技》
2006年第2期46-47,共2页
Laigang Science & Technology
关键词
球墨复合铸铁轧辊
分光光度法
稀土总量
spherulitic graphite composite cast iron roll, spcetrophotometry , total rare earth volume
