对乙酰基偶氮氯膦分光光度法分析陶瓷中的钪  

SPECTROPHOMETRY DETERMINATION OF SCANDIUM ON CERAMIC EARTH WITH CPAPA

作　　者：韩文华[1] 黄玉梅[1] 童冬生[1] 梁前进 

机构地区：[1]景德镇高等专科学校,景德镇333000 [2]景德镇第九中学,景德镇333000

出　　处：《中国陶瓷》2006年第2期51-52,共2页China Ceramics

摘　　要：介绍了用对乙酰基偶氮氯膦(CPApA)分析陶瓷中微量钪的一种方法。在硝酸介质中,对乙酰基偶氮氯膦(CPApA)与钪有灵敏的β型显色反应,TritonX—100使反应的灵敏度明显提高,摩尔吸光系数可达9.56×104,该法可用于陶瓷中微量钪的测定。A method for the determination of adsorbed scandium with CPApA is reported in this paper. sensitive β-reaction between CPApA and scandium in 0.48mol/L HNO3 medium in Triton X-100. It has rapid reaction rate, scandium reacts with the reagent to form complex, having an aborption maximum at 724nm. The apparent molar absorpotivity is found to be 9.56×10^4L·mol^-1·cm^-1. Beer＇ s Law is obeyed for 0.24-0.48 μg/ml of Sc.

关 键 词：钪 分光光度法 分析 陶瓷 

分 类 号：O641.4[理学—物理化学] TS411[理学—化学]