下表给出了方法的重复性、再现性和加标回收率等精密度和准确度指标。
序号 | 名称 | 总平均值 (μg/kg) | 实验室内相对 标准偏差 % | 实验室间相对标准偏差 % | 重复性限r/(μg/kg) | 再现性限R/(μg/kg) | 土壤加标回收率最终值(加标量250 ng) % ± 2S | 沉积物加标回收率最终值(加标量250 ng) % ± 2S |
1 | 二氯二氟甲烷 | 3.37 | 3.0~14.7 | 53.4 | 1.04 | 5.12 | 82.0±46.0 | 82.0±37.6 |
99.4 | 3.0~12.4 | 7.0 | 23.0 | 28.4 | ||||
2 | 氯甲烷 | 3.50 | 10.7~20.3 | 57.4 | 1.02 | 4.89 | 94.9±10.8 | 106±28.4 |
99.3 | 6.3~9.0 | 3.8 | 18.6 | 20.7 | ||||
3 | 氯乙烯 | 3.61 | 12.5~23.0 | 53.2 | 1.20 | 4.72 | 97.9±15.4 | 104±18.0 |
95.6 | 10.0~13.5 | 8.2 | 31.5 | 36.2 | ||||
4 | 溴甲烷 | 3.50 | 16.0~18.0 | 20.9 | 1.30 | 2.28 | 101±28.4 | 96.2±18.8 |
92.5 | 3.5~13.9 | 15.0 | 21.6 | 34.9 | ||||
5 | 氯乙烷 | 4.15 | 7.8~8.1 | 27.0 | 0.78 | 2.54 | 103±14.6 | 91.2±35.0 |
93.8 | 8.0~15.6 | 14.4 | 29.7 | 42.9 | ||||
6 | 三氯氟甲烷 | 4.13 | 7.0~22.2 | 27.9 | 1.56 | 3.13 | 95.7±29.8 | 98.4±25.2 |
95.2 | 6.0~10.5 | 8.7 | 22.0 | 29.9 | ||||
7 | 1,1-二氯乙烯 | 4.44 | 3.0~23.2 | 14.2 | 1.52 | 2.25 | 90.6±43.0 | 92.0±42.6 |
97.5 | 2.0~7.6 | 4.1 | 15.9 | 18.2 | ||||
8 | 丙酮 | 4.66 | 3.0~8.8 | 13.7 | 0.76 | 1.84 | 110±40.0 | 99.3±27.0 |
102 | 3.0~9.2 | 3.8 | 18.4 | 28.7 | ||||
9 | 碘甲烷 | 4.27 | 5.7~5.8 | 0.2 | 0.75 | 1.97 | 89.8±40.0 | 102±7.4 |
90.0 | 6.9~7.1 | 0.3 | 14.7 | 17.6 | ||||
10 | 二硫化碳 | 4.01 | 5.0~9.9 | 31.6 | 0.77 | 2.77 | 95.6±29.2 | 93.9±19.8 |
96.4 | 5.0~9.9 | 9.5 | 18.2 | 24.7 | ||||
11 | 二氯甲烷 | 4.67 | 2.0~9.7 | 7.3 | 0.87 | 1.26 | 102±31.6 | 98.7±17.8 |
99.3 | 2.0~5.5 | 4.4 | 12.0 | 16.3 | ||||
12 | 反式-1,2-二氯乙烯 | 4.73 | 1.0~14.4 | 10.3 | 1.14 | 1.72 | 98.0±36.2 | 93.9±27.8 |
100 | 1.0~13.8 | 8.1 | 20.4 | 29.3 | ||||
13 | 1,1-二氯乙烷 | 4.83 | 2.5~7.1 | 7.1 | 0.67 | 1.14 | 97.9±31.8 | 93.6±19.6 |
101 | 2.4~5.0 | 4.3 | 10.6 | 15.7 | ||||
14 | 2,2-二氯丙烷 | 4.59 | 6.9~8.9 | 9.5 | 0.94 | 1.34 | 99.0±21.4 | 97.1±17.6 |
103 | 3.0~10.2 | 7.3 | 17.3 | 24.6 | ||||
15 | 顺式-1,2-二氯乙烯 | 4.62 | 7.9~21.8 | 8.7 | 1.52 | 1.68 | 96.6±21.2 | 90.0±24.0 |
101 | 2.6~5.2 | 6.9 | 13.0 | 22.1 | ||||
16 | 2-丁酮 | 4.65 | 12.0~27.6 | 8.1 | 2.08 | 2.08 | 109±35.4 | 93.6±34.0 |
100 | 6.8~7.0 | 1.2 | 16.4 | 16.4 | ||||
17 | 溴氯甲烷 | 4.75 | 2.0~8.0 | 10.0 | 0.78 | 1.52 | 93.4±24.6 | 92.6±19.2 |
100 | 2.0~3.9 | 4.1 | 9.31 | 14.2 | ||||
18 | 氯仿 | 4.83 | 3.0~5.8 | 5.7 | 0.66 | 0.98 | 101±28.0 | 96.1±16.2 |
99.6 | 2.8~5.0 | 3.1 | 10.5 | 12.9 | ||||
19 | 1,1,1-三氯乙烷 | 4.53 | 3.0~8.9 | 11.5 | 0.76 | 1.62 | 98.1±34.8 | 94.9±21.6 |
101 | 3.0~4.2 | 4.3 | 9.78 | 15.1 | ||||
20 | 四氯化碳 | 4.52 | 3.0~14.8 | 9.4 | 1.20 | 1.61 | 89.8±36.0 | 84.9±57.0 |
98.0 | 2.4~9.0 | 2.4 | 15.6 | 15.7 | ||||
21 | 1,1-二氯丙烯 | 4.20 | 8.8~19.9 | 7.8 | 1.38 | 1.58 | 94.0±21.0 | 91.9±18.0 |
101 | 2.7~4.4 | 7.9 | 10.0 | 21.5 | ||||
22 | 苯 | 5.55 | 3.0~14.0 | 23.0 | 1.10 | 3.69 | 95.0±28.0 | 94.9±28.2 |
97.5 | 3.0~4.9 | 3.9 | 11.2 | 14.8 | ||||
23 | 1,2-二氯乙烷 | 4.73 | 2.4~8.8 | 4.6 | 0.90 | 0.98 | 98.7±21.2 | 97.1±17.6 |
98.3 | 3.3~4.0 | 2.1 | 14.9 | 16.0 | ||||
24 | 三氯乙烯 | 4.67 | 3.0~16.1 | 12.1 | 1.11 | 1.87 | 94.8±22.8 | 88.4±28.4 |
101 | 3.0~4.2 | 6.5 | 9.96 | 20.5 | ||||
25 | 1,2-二氯丙烷 | 4.76 | 4.0~10.7 | 7.9 | 0.09 | 1.34 | 97.9±14.8 | 95.6±14.4 |
101 | 3.0~5.7 | 5.5 | 11.6 | 19.0 | ||||
26 | 二溴甲烷 | 4.78 | 2.0~8.7 | 7.0 | 0.87 | 1.23 | 94.1±19.2 | 90.9±18.4 |
99.3 | 2.0~5.7 | 3.9 | 9.94 | 14.1 | ||||
27 | 一溴二氯甲烷 | 4.58 | 3.0~12.1 | 7.2 | 1.02 | 1.31 | 96.5±18.6 | 94.2±13.2 |
99.9 | 2.0~3.7 | 3.7 | 8.67 | 12.9 | ||||
28 | 4-甲基-2-戊酮 | 4.66 | 5.0~25.5 | 1.4 | 1.76 | 1.76 | 94.8±22.2 | 89.8±15.6 |
98.4 | 4.0~5.0 | 3.4 | 11.6 | 12.8 | ||||
29 | 甲苯 | 4.49 | 5.0~11.7 | 9.4 | 1.04 | 1.52 | 97.8±20.0 | 93.5±12.0 |
100 | 3.4~6.0 | 3.1 | 12.5 | 14.3 | ||||
30 | 1,1,2-三氯乙烷 | 4.69 | 4.3~8.0 | 4.7 | 0.81 | 0.96 | 92.2±35.8 | 86.0±30.8 |
101 | 3.4~5.0 | 3.8 | 11.6 | 15.2 | ||||
31 | 四氯乙烯 | 4.59 | 3.0~14.7 | 8.7 | 1.12 | 1.50 | 92.1±11.2 | 92.5±20.0 |
101 | 2.6~4.0 | 4.4 | 9.34 | 15.1 | ||||
32 | 1,3-二氯丙烷 | 4.66 | 2.0~12.3 | 10.6 | 0.93 | 1.60 | 95.3±25.4 | 91.0±19.2 |
102 | 2.0~4.8 | 6.2 | 10.2 | 20.2 | ||||
33 | 2-己酮 | 4.64 | 4.0~18.0 | 6.0 | 1.51 | 1.51 | 94.8±27.0 | 90.9±25.0 |
99.9 | 3.3~6.7 | 3.3 | 14.2 | 18.8 | ||||
34 | 二溴氯甲烷 | 4.36 | 3.8~9.5 | 12.7 | 0.82 | 1.74 | 94.0±12.4 | 88.7±29.0 |
102 | 2.2~4.0 | 4.2 | 7.83 | 13.8 | ||||
35 | 1,2-二溴乙烷 | 4.57 | 4.0~10.0 | 9.2 | 0.88 | 1.39 | 92.0±41.6 | 88.8±29.6 |
102 | 2.5~4.8 | 4.7 | 10.6 | 16.4 | ||||
36 | 氯苯 | 4.60 | 4.0~9.8 | 7.9 | 0.91 | 1.29 | 90.6±22.6 | 93.4±23.4 |
96.0 | 2.9~4.0 | 3.2 | 9.09 | 11.8 | ||||
37 | 1,1,1,2-四氯乙烷 | 4.78 | 5.0~18.8 | 6.9 | 1.36 | 1.54 | 97.5±19.4 | 94.2±28.6 |
99.5 | 3.0~5.0 | 2.5 | 9.91 | 11.5 | ||||
38 | 乙苯 | 4.55 | 4.5~23.7 | 8.7 | 1.47 | 1.73 | 90.9±31.8 | 88.6±35.6 |
99.9 | 2.5~5.0 | 4.0 | 9.64 | 14.2 | ||||
39 | 1,1,2-三氯丙烷 | 4.62 | 5.5~11.4 | 4.8 | 1.06 | 1.16 | 87.0±13.4 | 85.1±13.0 |
97.1 | 2.6~4.2 | 0.5 | 8.90 | 8.90 | ||||
40/41 | 间,对-二甲苯 | 9.93 | 4.0~8.6 | 19.1 | 1.69 | 5.55 | 90.0±35.4 | 94.5±34.0 |
203 | 3.0~4.8 | 7.0 | 21.3 | 44.3 | ||||
42 | 邻-二甲苯 | 4.36 | 4.3~18.7 | 14.5 | 1.02 | 1.98 | 92.3±30.0 | 93.6±37.0 |
102 | 2.6~4.5 | 7.8 | 10.5 | 24.4 | ||||
43 | 苯乙烯 | 4.34 | 5.0~23.9 | 13.3 | 1.33 | 2.00 | 88.3±37.6 | 93.5±33.2 |
101 | 2.8~5.0 | 6.8 | 10.3 | 21.4 | ||||
44 | 溴仿 | 4.22 | 3.0~23.1 | 11.0 | 1.54 | 1.90 | 87.6±31.0 | 91.9±31.0 |
97.7 | 3.0~10.9 | 4.6 | 16.7 | 19.8 | ||||
45 | 异丙苯 | 4.34 | 4.0~24.0 | 13.6 | 1.42 | 2.12 | 94.7±28.2 | 92.9±32.8 |
101 | 2.5~4.4 | 7.4 | 9.72 | 22.8 | ||||
46 | 溴苯 | 4.64 | 4.0~17.8 | 7.2 | 1.35 | 1.54 | 89.6±37.2 | 88.7±36.6 |
101 | 3.5~8.0 | 7.2 | 14.9 | 24.5 | ||||
47 | 1,1,2,2-四氯乙烷 | 4.74 | 3.0~11.8 | 4.8 | 1.29 | 1.33 | 91.7±31.2 | 92.4±27.2 |
99.4 | 3.0~7.9 | 5.5 | 15.9 | 21.2 | ||||
48 | 1,2,3-三氯丙烷 | 5.10 | 4.0~15.3 | 2.5 | 0.52 | 1.53 | 103±30.0 | 89.9±32.4 |
99.8 | 2.3~7.7 | 2.3 | 13.3 | 13.6 | ||||
49 | 正丙苯 | 4.48 | 3.0~16.1 | 10.1 | 1.17 | 1.65 | 86.6±57.8 | 81.7±53.0 |
103 | 2.0~9.0 | 8.7 | 15.2 | 28.6 | ||||
50 | 2-氯甲苯 | 4.42 | 3.0~8.8 | 9.0 | 0.79 | 1.32 | 93.3±43.8 | 82.2±41.2 |
100 | 3.0~13.6 | 9.6 | 25.9 | 35.8 | ||||
51 | 1,3,5-三甲基苯 | 4.39 | 4.0~10.1 | 9.5 | 1.01 | 1.46 | 89.9±47.6 | 82.9±43.6 |
101 | 2.7~8.0 | 9.4 | 14.3 | 29.5 | ||||
52 | 4-氯甲苯 | 4.57 | 5.7~15.0 | 7.8 | 1.18 | 1.44 | 91.9±49.2 | 83.9±43.6 |
102 | 3.8~9.2 | 8.1 | 17.6 | 28.1 | ||||
53 | 叔丁基苯 | 4.33 | 4.0~19.1 | 13.2 | 1.36 | 2.05 | 89.2±37.6 | 87.3±31.8 |
103 | 3.0~6.2 | 8.3 | 12.8 | 26.9 | ||||
54 | 1,2,4-三甲基苯 | 4.40 | 4.0~11.9 | 11.2 | 1.01 | 1.67 | 87.2±57.8 | 84.5±51.6 |
102 | 2.8~8.3 | 8.1 | 14.4 | 26.6 | ||||
55 | 仲丁基苯 | 4.41 | 3.0~18.9 | 8.1 | 1.39 | 1.60 | 88.5±49.0 | 83.5±42.8 |
100 | 2.6~4.4 | 8.3 | 9.27 | 24.7 | ||||
56 | 1,3-二氯苯 | 4.80 | 3.0~11.8 | 8.2 | 1.12 | 1.48 | 79.0±54.8 | 78.3±51.2 |
103 | 3.0~5.7 | 7.9 | 12.8 | 25.5 | ||||
57 | 4-异丙基甲苯 | 4.44 | 3.7~16.7 | 9.3 | 1.22 | 1.60 | 84.5±58.0 | 83.5±51.2 |
99.5 | 2.6~5.7 | 3.9 | 12.0 | 15.4 | ||||
58 | 1,4-二氯苯 | 4.73 | 4.0~13.7 | 7.4 | 1.26 | 1.52 | 79.4±58.4 | 78.6±54.2 |
99.2 | 2.7~4.1 | 3.0 | 9.92 | 12.3 | ||||
59 | 正丁基苯 | 4.50 | 4.0~15.6 | 8.1 | 1.31 | 1.58 | 79.4±61.8 | 77.8±56.0 |
99.1 | 3.0~4.3 | 3.6 | 9.95 | 13.5 | ||||
60 | 1,2-二氯苯 | 4.70 | 3.0~10.8 | 5.1 | 1.01 | 1.15 | 76.9±54.2 | 78.7±51.2 |
100 | 3.0~4.9 | 3.0 | 12.8 | 14.3 | ||||
61 | 1,2-二溴-3-氯丙烷 | 4.30 | 3.2~30.0 | 21.6 | 2.93 | 3.73 | 82.9±34.2 | 78.0±20.4 |
99.4 | 1.9~8.4 | 5.9 | 17.4 | 22.8 | ||||
62 | 1,2,4-三氯苯 | 4.58 | 4.9~17.9 | 7.3 | 1.41 | 1.58 | 71.5±22.3 | 72.4±46.8 |
96.0 | 3.5~7.3 | 5.6 | 13.0 | 19.3 | ||||
63 | 六氯丁二烯 | 4.89 | 3.9~13.9 | 9.4 | 1.31 | 1.76 | 73.8±36.2 | 76.7±40.2 |
97.0 | 2.5~8.2 | 5.0 | 12.4 | 17.6 | ||||
64 | 萘 | 4.90 | 2.2~38.6 | 5.3 | 2.73 | 2.73 | 65.8±42.6 | 62.6±44.6 |
101 | 3.3~11.2 | 11.5 | 23.1 | 38.6 | ||||
65 | 1,2,3-三氯苯 | 4.59 | 3.4~22.7 | 6.8 | 1.75 | 1.81 | 68.5±44.8 | 68.7±39.0 |
97.1 | 2.8~5.0 | 7.1 | 11.0 | 21.9 |