Objective To establish a simple method for the determination of trace tellurium in soil by hydride generation-atomic fluorescence. Methods After the sample was digested at low temperature by 8 mL nitric acid+3 mL perchloric acid+6 mL hydrofluoric acid, anti-interference agent was added and the tellurium content in the soil was directly determined by atomic fluorescence method. Results Under the best conditions, the standard curve of tellurium was linear and the correlation coefficient was 0.9998. A total of 5 actual soils in Hubei province were selected for analysis and detection. The tellurium contents were 0.02?0.08 mg/kg, and the recovery rates were 92.5%?105%. Conclusions This method is low cost and easy to operate, and can be applied to the determination of trace tellurium in real soil samples.
标题:氢化物发生-原子荧光法测定土壤中碲的含量
英文标题:Determination of tellurium in soils by hydride generation-atomic fluorescence spectrometry