[1] [1] Chen J,Liu G,Kang Y,et al.Chemosphere,2013,90(6):1925.

[2] [2] Chen J,Liu G,Kang Y,et al.Environmental Geochemistry and Health,2014,36(4):735.

[3] [3] Geng W,Furuzono T,Nakajima T,et al.Journal of Hazardous Materials,2010,176(1-3):356.

[4] [4] Zhang N,Sun G,Ma H.Minerals Engineering,2007,20(15):1397.

[5] [5] Li X,Dai S,Zhang W ,et al.International Journal of Coal Geology,2014,124:1.

[6] [6] Long Z,Luo Y,Zheng C,et al.Applied Spectroscopy Reviews,2012,47(5):382.

[7] [7] Long Z,Chen C,Hou X,et al.Applied Spectroscopy Reviews,2012,47(7):495.

[8] [8] Sanchez-Rodas D,Corns W T,Chen B,et al.Journal of Analytical Atomic Spectrometry,2010,25(7):933.

[9] [9] García J B,Krachler M,Chen B,et al.Analytica Chimica Acta,2005,534(2):255.

[10] [10] Yan Zhou C,Keong Wong M,Lin Koh L,et al.Microchimica Acta,1997,127(1):77.

[11] [11] Smith G F.Perchloric Acid:Authentic,Scientific and Practical Considerations Relative to Its Use as an Important Research and Routine Analytical Chemical Reagent with Special Reference to Rapidity,Accuracy and Economy:Frederick Smith Chemical Company,1940.

[12] [12] Bajo S.Analytical Chemistry,1978,50(4):649.

[13] [13] Nunes D L,Dos Santos E P,Barin J S,et al.Spectrochimica Acta Part B:Atomic Spectroscopy,2005,60(5):731.

[14] [14] Loska K,Wiechula D.Microchimica Acta,2006,154(3):235.