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Simultaneous Determination of Arsenic and Mercury in Kudingcha Original Plants by HG-DCAFS with High Pressure Digestion
Author(s): XU Hao-Long
Pages: 821-
824
Year: 2012
Issue:
2
Journal: Chinese Journal of Spectroscopy Laboratory
Abstract: 采用HNO3/H2SO4预消解、HNO3/H2O2高压消解,硫脲-抗坏血酸预还原等手段,建立了高压消解-双道氢化物发生-原子荧光光谱同时测定苦丁茶原植物中砷和汞含量的分析方法.讨论并优化了分析测定条件,结果表明,砷和汞的线性范围分别为1.0×10-3-11.0×10-3mg·L-1和1.0×10-4-10.0×10-4mg·L-1,相关系数r分别为0.9986、0.9970,检出限分别是4.73×...
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