[4] [4] Lawrence K. Titanium Etching Solution, US, 4314876[P],1982-02-09.

[5] [5] Moskovits M. Rev. Mod. Phys.,1985,57(3):783.

[6] [6] Otto A, Mrozek I, Grabhorn H, et al. J. Phys: Condensed Matter.,1992,4:1143.

[7] [7] Tian Z Q, Ren B, Mao B W. Journal of Phys. Chem. B.,1997,101:1338.

[8] [8] Ren B, Li X Q, She C X, et al. Electrochimica Acta,2000,46:193.

[9] [9] Tian Z Q, Ren, B, Wu D Y. Journal of Phys. Chem. B,2002,106:9463.

[10] [10] Vogel E, Meuer P, Kiefer W, et al. Journal of Molecular Structure,1999,482,241.

[11] [11] Aletha M N, Richard L M. Anal. Chem.,2004,76:1089.

[12] [12] Wu D Y, Xie Y, RenB-etal. Chem. Phys. Chem. Commun.,2001,18:1.

[13] [13] Huang Q J, Yao J L, Gu R A, et al. Chem. Phys. Lett.,1997,271:101.

[14] [14] Cai W B, Ren B, Li X Q, et al. Surf. Sci.,1998,406(1-3):9.

[16] [16] Kenichi T. Etching Method for Titanium or Titanium Alloy, JP, 2004043850[P].2004-02-12.

[19] [19] Ren Bin, Len Xu-feng, Tian Zhong-qun. Electrochemistry,2001,7:1.