[1] [1] Hamilton M A, Rode P W, Merchant M E, et al. Microchemical Journal, 2008, 88(1): 52.

[2] [2] Macedo S M, De Jesus R M, Garcia K S, et al. Talanta, 2009, 80(2): 974.

[3] [3] Oliveira S R, Gomes Neto J A, Nóbrega J A, et al. Spectrochimica Acta Part B: Atomic Spectroscopy, 2010, 65(4): 316.

[4] [4] Pick D, Leiterer M, Einax J W. Microchemical Journal, 2010, 95(2): 315.

[8] [8] Becker J S. International Journal of Mass Spectrometry, 2010, 289(2-3): 65.

[9] [9] Gallo J M, Almirall J R. Forensic Science International, 2009, 190(1-3): 52.

[10] [10] Wu B, Zoriy M, Chen Y, et al. Talanta. 2009, 78(1): 132.

[11] [11] Santos M C, Wagner M, Wu B, et al. Talanta., 2009, 80(2): 428.

[12] [12] Guillong M, Horn I, Güther D. Journal of Analytical Atomic Spectrometry, 2003, 18(10): 1224.

[13] [13] Hu Z C, Liu Y S, Gao S, et al. Journal of Analytical Atomic Spectrometry, 2008, 23(9): 1192.

[14] [14] Longerich H P, Jackson S E, Günther D. Journal of Analytical Atomic Spectrometry, 1996, 11(9): 899.

[15] [15] Pearce N, Perkins W T, Westgate J A, et al. Geostandards and Geoanalytical Research, 1997, 21(1): 115.