[3] [3] Kane J S, Potts P J, Wiedenbeck M, et al. The Journal of Geostandards and Geoanalysis Research., 2003, 27: 227.

[5] [5] Wang Yimin, Gao Yushu, Wang Xiaohong, et al. Geostandards and Geoanalytical Research, 2004, 28(1): 113.

[6] [6] Wang Yimin, Luo Daihong, Gao Yushu, et al. Geostandards Newsletter, 1998, 22(2): 247.

[11] [11] National Institute of Standards & Technology. Certificate of Analysis, Standard Reference Material 2703—Sediment for Solid Sampling (Small Sample). Analytical Techniques, 2005. 1.

[13] [13] Wang Yimin, Wang Xiaohong, Qu Wenjun, et al. Geostandards and Geoanalytical Research, 2011, 35(3): 341.

[15] [15] Wang Xiaohong, Li Guohui, Zhang Qin, et al. Geostandards and Geoanalytical Research, 2004, 28(1): 81.

[32] [32] Rocholi A. Geostandard Newsletter, 1998, 22: 33.

[35] [35] ISO Guide-30 Terms and Definitions Used in Connection with Reference Materials 2nd, 1992. 1.

[36] [36] ISO Guide-34 Quality System Guidelines for the Production of Reference Materials, 1996. 1.

[37] [37] ISO Guide-35 Reference Materials—General and Statistical Principles for Certification, 3ed. 2006.

[42] [42] Anastas P T. Critical Reviews in Analytical Chemistry, 1999, 29(3): 167.