空心阴极灯不仅是原子吸收光谱分析的重要光源,而且在分子吸收光谱中也有广泛应用。楚诺达(Tsunoda)等人用铂空心阴极灯于Pt227.44纳米处,在石墨炉原子吸收分光光度计上测量AIF分子吸收以测定痕量氟。徐立强等用铅空心阴极灯的Pb261.42纳米线测量气态AlCl的分子吸收以测定痕量氯,灵敏度比用氘灯提高10倍。我们将空心阴极灯和原子吸收分光光度计用于分光光度分析,使灵敏度、精密度和标准曲线的线性范围等方面都有明显改善。吸收光谱电化学方法是光谱电化学中常用的一种方法。韦斯特(West)等人首先研究了镉、钴、铬、铜、铁、锰、镍、铅、锌等金属离子和某些有机化合物在铂电极上的吸收光谱电化学特性,导出定量分析公式。作者对这一技术作过介绍。但迄今为 Hollow cathode lamp is not only an important source of atomic absorption spectrometry, but also widely used in molecular absorption spectroscopy. Tsunoda et al. Measured the absorption of AIF molecules on a graphite furnace atomic absorption spectrophotometer using a platinum hollow cathode lamp at 227.44 nm of Pt for the determination of trace fluorine. Xu Liqiang and other lead hollow cathode lamp Pb261.42 nanowires measurement of the molecular absorption of gaseous AlCl for the determination of trace chlorine, the sensitivity of 10 times higher than the use of deuterium lamp. We used hollow cathode lamps and atomic absorption spectrophotometers for spectrophotometric analysis, which resulted in significant improvements in sensitivity, precision, and linearity of the standard curve. Absorption Spectroscopy Electrochemical methods are commonly used in spectroscopic electrochemistry. West et al. First studied the absorption spectra of cadmium, cobalt, chromium, copper, iron, manganese, nickel, lead, zinc and other metal ions and some organic compounds on the platinum electrode. formula. The author introduced this technique. But so far