氢化物发生-原子荧光法测定土壤中碲的含量
氢化物发生-原子荧光法测定土壤中碲的含量
目的建立一种用氢化物发生-原子荧光法测定土壤中痕量碲的检测方法。方法样品经8 mL硝酸＋3 mL高氯酸＋6 mL氢氟酸低温消解后, 加入抗干扰剂, 直接用原子荧光法进行土壤中碲含量测定。结果在最佳条件下, 碲的标准曲线线性良好, 相关系数0.9998, 该方法检出限1.8 μg/kg, 精密度为3.4%。选取湖北省内的5个实际土壤分析检测, 碲的含量为0.02~0.08 mg/kg之间, 回收率为92.5%~105%。结论该方法成本低、易操作, 可适用于实际土壤样品中的痕量碲测定
ObjectiveTo establish a simple method for the determination of trace tellurium in soil by hydride generation-atomic fluorescence. MethodsAfter 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. ResultsUnder 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%. ConclusionsThis 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
作者：
李永蓉 湖北省环境监测中心站；武汉长江科创科技发展有限公司
贺小敏 湖北省环境监测中心站
施敏芳 湖北省环境监测中心站
田文娟 湖北省环境监测中心站
张蒙 湖北省环境监测中心站
范俊楠 湖北省环境监测中心站
中文关键词:土壤,碲,消解,原子荧光光谱法,
英文关键词:soil,tellurium,digestion,atomic fluorescence spectrometry,
发表日期：2019-04-15
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