PENG You-kai,HUANG Dong-ya,YAN Jin-ting.Determination of Total Arsenic in Soil byHydrogenation-Atomic Fluorescence Spectrometry[J].HEILONGJIANG AGRICULTURAL SCIENCES,2017,(12):73-75.[doi:.11942/j.issn1002-2767.2017.12.0073]
氢化物发生-原子荧光光谱法测定土壤中总砷
- Title:
- Determination of Total Arsenic in Soil byHydrogenation-Atomic Fluorescence Spectrometry
- 文章编号:
- 1002-2767（2017）12-0073-03
- Keywords:
- atomic fluorescence spectroscopy; soil; arsenic
- 分类号:
- P632+.1
- 文献标志码:
- A
- 摘要:
- 为验证氢化物发生-原子荧光光谱法测定土壤中总砷的准确性，研究了负高压、灯电流、硼氢化钾浓度、酸介质及其酸度等因素对砷测定的影响，优化了仪器工作条件。结果表明：方法的线性范围为0～120 μg?L-1，相关系数为0.999 9，仪器检出限为0.009 2 μg?L-1。检测结果均在标准值范围内，相对标准偏差在5%以内。
- Abstract:
- In order to verify the accuracy of hydride generation atomic fluorescence spectrometry for the determination of total arsenic in soil,the effects of negative high voltage,lamp current,potassium orohydroxide concentration,acid medium and acid degree on arsenic determination were studied,and the working conditions of the instrument were optimized.The results showed that the linear range of this method was 0 to 120 μg?L-1,the correlation coefficient was 0.999 9,and the detection limit of the instrument was 0.009 2 μg?L-1.The test results were within the standard range,and the relative standard deviation was less than 5%.
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备注/Memo
收稿日期：2017-09-1