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溶剂萃取至今仍然是火焰原子吸收分析法中一种分离基体干扰和富集待测元素的简便有效的方法。火焰原子吸收分析法中微量送样技术的应用,为小体积有机溶剂的送样提供了方便。自1973年Sebastiani等提出“注入法”以来,微量送样技术为人们所重视,发表的文章也逐年增多,设计出的微量送样杯也各式各样,各具特色。Manning等设计了一种如图1所示的送样杯,这种送样杯在Manning等所使用仪器的条件下,只需注入100微升试样溶液即可获得和常规法一样的灵敏度。但这种送样杯只适于水溶液的微量送样,而不适于有机
Solvent extraction is still a convenient and effective method for flame atomic absorption spectrometry to separate the matrix from interference and enrich the elements to be tested. The application of micro-sample delivery in flame atomic absorption spectrometry has provided convenience for sample delivery of small volume organic solvents. Since Sebastiani et al. Put forward the “injection method” in 1973, the micro-sampling technique has been paid attention to by people. The published articles have also been increasing year by year. The micro-sampling cups designed are also varied and unique. Manning et al. Designed a sample cup as shown in Figure 1, which delivers the same sensitivity as the conventional method by injecting only 100 microliters of sample solution under the conditions of the Manning et al. Instrument. However, this sample cup is only suitable for micro-sample delivery of aqueous solution, but not for organic