火焰原子吸收光谱法、石墨炉原子吸收光谱法和电感耦合等离子体发射光谱法测定地表水样中铜的研究方法对比

Comparative study between flame atomic absorption spectrometry and graphite furnace atomic absorption spectrometry and inductively coupled plasma optical emission spectrometry for the determination of copper in surface water

采用火焰原子吸收光谱法(FAAS)、石墨炉原子吸收光谱法(GF-AAS)和电感耦合等离子体发射光谱法(ICP-OES)分别测定地表水中的铜,对检出限、精密度、正确度、低浓度环境样品测试等指标进行对比。实验结果表明,三种方法对于测定地表水中铜,测试结果无显著差异;与FAAS和ICP-OES法相比,GF-AAS法具有较低的检出限、较高灵敏度,对于测定低浓度环境样品具有较高的准确性。

The copper in surface water was measured by flame atomic absorption spectrometry(FAAS)and graphite furnace atomic absorption spectrometry(GF-AAS)and inductively coupled plasma optical emission spectrometry(ICP-OES),and the detection limit,precision,accuracy and low concentration environmental samples were compared.The experimental results showed the three methods had no obvious difference between measurement results;compared with FAAS and ICP-OES method,GF-AAS method had the advantages of lower detection limit,higher sensitivity and accuracy for the determination of low concentration environmental samples.