化学原子化器AAS测定生活污水中痕量砷和铅的研究

一般原子吸收法对成分复杂样品中痕量As、Pb元素测定较为困难。微型化学原子化器-原子吸收光谱法因其特殊的机理和结构,通过对介质酸度、NaBH4、载气流速等影响因素的优化,可直接测定生活污水中的As和Pb。相较于一般氢化发生器优点在于快速,成本低,干扰性小,不需要用HCl和NaBH4作载流,NaBH4的消耗可以节省90%以上。

The Research on Determination of the Traces of As and Pb in the Liquid Garbage by Chemical Atomizer Atomic Absorption Spectrometry

General atomic absorption spectrometry of trace elements in complex samples As,Pb element analysis more difficult.Micro-chemical atomizer atomic absorption spectrometry because of their special mechanism and structure,through the medium acidity,NaBH4,carrier gas flow rate and other factors affecting the optimization of direct determination of As and Pb in the sewage.Hydridegenerator compared to the general advantage of fast,low cost,interference is small,do not need HCl and NaBH4 as a carrier,NaBH4 consumpt...