5JORHEM L, ENGMAN J. Determination of lead, cadmium, zinc, copper, and iron in foods by atomic absorption spectrometry after microwavedigestion.. NMKIJ ColJaborative Study[J]. J Aoac Int, 2000, 83(5):1 189-1 203.
6[1]A Abu - Sarma, J Stevn Morris, S R Kdrtyohann. Anal. Chem.[J ], 1975,47(8): 1475.
7[2]H M Kingston, L B Jassie. Anal. Chem. [J], 1986,58:2534.
8[4]W Stegmann, S T Goldstein, M Georgieff. The Analyst[J],1996,121(6) :901.
9[5]H M Kingson, L B Jassie. ASC Professional Reference Book [M]. Washington: American Chemical Society, 1988.
10[12]A V Filgueiras, J L Capelo, I Lavilla, C Bendicho. Talanta[J],2000,53(2) :433.
9Clarke B, Carroll W, Rochev Y, et al. Influence of Nitinol wire surface treatment on oxide thickness and composition and its subsequent effect on corrosion resistance and nickel ion release [J]. J Biomed Mater Res A, 2006, 79(1):61- 70.
10Eliades T, Bourauel C. Intraoral aging of orthodontic materi- als: the picture we miss its clinical relevance [J]. Am J Orthod Dentofacial Orthop,2005,127(4) : 403-412.
