摘要
合成了新试剂5′-硝基水杨基荧光酮。详细地研究了在表面活性剂增溶下与钛的显色反应。提出了—种水相中分光光度测定痕量钛的高灵敏和高选择性的新方法,用于钢铁、合金和海洋锰结核中痕量钛的测定,结果满意。
A new organic reagent 5'-nitrosalicylfluorone ( 5'-NSF ) was synthesized and the color reaction between it and titanium in the presence of surfactant CTMAB was investigated. The complex of Ti ( IV )-5'-NSF-CTMAB,having a maximum absorption at S48nm in 0.35mol/L H2SO4 medium with a molar absorptivity of 2.25X108 is highly sensitive and highly selective for the spectrophotometric determination of trace titanium and has been applied directly to the determination of trace titanium in manganese nodules, steel and aluminium alloy with good results.
出处
《冶金分析》
CAS
CSCD
北大核心
1990年第3期1-3,共3页
Metallurgical Analysis
