0 . 0255 μ g/mL 0 . 0055 %- 3 . 708 [ 1] ICP- AE 1 1 . 1 Optima 8000 ICP-AES 99.9% 9 + 3 + 88 HCL + HNO 3 + H 2 O 40g/L 30 % ρ 1.19g/mL ρ 1. 42 g/mL 1 . 2 0. 0500g 200 mL 85mL 80mL 24 2 , 1 1 100 mL 0 . 5h 1 2 2 . 1 ICP- AES 2 GB/T 20125 - 2006 [ 3] 2 . 2 0 .28%/ 0. 71% 1 .67 % 2. 14 % 2 . 62 % 3. 09 % 2 0. 999198 0. 999 2 2 . 3 10 3 1 [ 4] 1 DL μ g/mL m g mL LimitofDetermination LOD 2 [ 4] 2 1 .2 3 .09 % 3 .708 % 2 3 [ 1] . [S].GB/T 223 .5 - 1997 . . 1997 . [ 2]ATC 001 / . . 2011. [ 3] . .GB/T 20125 - 2006 . .2006 . [ 4] . .GB/T 27415 - 2013 . .2013 .