[1] [1] Perkins W T, Pearce N J G, Westgate J A. Geostandards Newsletter, 1997, 21(2): 175.

[2] [2] Wilson S A, Ridley W I, Koenig A E. Journal of Analytical Atomic Spectrometry, 2002, 17(4): 406.

[4] [4] Ding L H, Yang G, Xia F, et al. Mineralogical Magazine, 2011, 75(2): 2797.

[5] [5] Danyushevsky L, Robinson P, Gilbert S, et al. Geochemistry: Exploration, Environment, Analysis, 2011, 11(1): 51.

[6] [6] Czas J, Jochum K P, Stoll B, et al. Spectrochimica Acta Part B Atomic Spectroscopy, 2012, 78(12): 20.

[7] [7] Janney P E, Richter F M, Mendybaev R A, et al. Chemical Geology, 2011, 281(1-2): 26.

[8] [8] Motelica-Heino M, Le Coustumer P, Donard O F X. Journal of Analytical Atomic Spectrometry, 2001, 16(6): 542.

[9] [9] Gaboardi M, Humayun M. Journal of Analytical Atomic Spectrometry, 2009, 24(9): 1188.

[10] [10] Zhang B C, He M H, Hang W, et al. Analytical Chemistry, 2013, 85(9): 4507.

[11] [11] Jochum K P, Stoll B, Herwig K, et al. Journal of Analytical Atomic Spectrometry, 2007, 22(2): 112.

[12] [12] Morrison C A, Lambert D D, Morrison R J S, et al. Chemical Geology, 1995, 119(1-4): 13.

[13] [13] Cromwell E F, Arrowsmith P. Analytical Chemistry, 1995, 67(1): 131.

[15] [15] Fryer B J, Jackson S E, Longerich H P. The Canadian Mineralogist, 1995, 33(2): 303.