The different results produced in the process of extracting refined flavonoids with the use of different solvents system were compared. Through Ultraviolet Spectrograph, it proves the existence of luteolin in materials extracted from peanut hull. 比较了不同溶剂或溶剂系统萃取精制黄酮类物质的效果,并对溶剂萃取机理进行了探讨。
The property of SO_2 was discussed. The detection technique of ultraviolet fluorimetric analysis, long-range absorbing spectrometry, laser infrared absorbing and remote sensing fourier transform infrared spectrograph were reviewed. And their application in detection of SO_2 was discussed. 介绍了二氧化硫的性质,综述了紫外荧光分析检测技术、长程吸收光谱检测技术、激光红外吸收检测技术和遥感傅里叶变换红外光谱检测技术的原理及在二氧化硫检测中的应用。
The necessary instruments for analysis include microscope with 60 fold magnification, infrared spectrograph and ultraviolet spectrograph. 介绍了分析所需配备的实验仪器,主要有60倍显微镜、红外分光光谱仪和紫外分光光谱仪。提出了表面分析过程图。
Intensity calibration of grazing incidence vacuum ultraviolet spectrograph 掠入射真空紫外摄谱仪的强度校准
The coordination hydrolysis behavior of Pd 2+ has been examined in chloride media solution by ultraviolet absorption spectrograph. The hydrolytic behaviour and characteristics of urea in the preparation process for the precursor of cobalt blue was researched. 用紫外吸收光谱法研究了在较高氯离子浓度介质中Pd(Ⅱ)配位水解行为。探讨了制备钴蓝前驱体过程中尿素的水解行为及表征。