吹扫捕集-气相色谱/质谱法测定水中挥发性有机物
图1挥发性有机物标样色谱图
图2氯乙烯标准曲线结果
表1 线性结果
序号 | 化合物 | 保留时间/min | R2 | RF-RSD |
1 | 氯乙烯 | 2.318 | 0.9997 | 2.99 |
2 | 1,1-二氯乙烯 | 3.933 | 0.9997 | 5.11 |
3 | 二氯甲烷 | 4.598 | 0.9998 | 10.91 |
4 | 反式-1,2-二氯乙烯 | 4.971 | 0.9999 | 4.08 |
5 | 1,1-二氯乙烷 | 5.605 | 0.9993 | 4.76 |
6 | 氯丁二烯 | 5.747 | 0.9999 | 4.04 |
7 | 2,2-二氯丙烷 | 6.523 | 0.9998 | 10.76 |
8 | 顺式-1,2-二氯乙烯 | 6.538 | 0.9991 | 3.47 |
9 | 溴氯甲烷 | 6.942 | 0.9996 | 10.62 |
10 | 氯仿 | 7.084 | 0.9996 | 4.03 |
11 | 二溴氟甲烷(SS) | 7.351 | 0.9996 | 3.85 |
12 | 1,1,1-三氯乙烷 | 7.414 | 0.9996 | 1.70 |
13 | 四氯化碳 | 7.676 | 0.9997 | 5.00 |
14 | 1,1-二氯丙烯 | 7.702 | 0.9997 | 3.03 |
15 | 苯 | 8.048 | 0.9998 | 2.09 |
16 | 1,2-二氯乙烷 | 8.075 | 0.9985 | 4.94 |
17 | 三氯乙烯 | 9.281 | 0.9997 | 4.97 |
18 | 1,2-二氯丙烷 | 9.69 | 0.9998 | 2.72 |
19 | 二溴甲烷 | 9.915 | 0.9997 | 3.56 |
20 | 一溴二氯甲烷 | 10.282 | 09998 | 2.34 |
21 | 顺1,3-二氯丙烯 | 11.247 | 0.9999 | 6.81 |
22 | 甲苯-D8(SS) | 11.808 | 0.9998 | 3.21 |
23 | 甲苯 | 11.955 | 0.9997 | 5.69 |
24 | 反-1,3-二氯丙烯 | 12.479 | 0.9996 | 11.49 |
25 | 1,1,2-三氯乙烷 | 12.862 | 0.9998 | 6.47 |
26 | 四氯乙烯 | 13.197 | 0.9996 | 2.55 |
27 | 1,3-二氯丙烷 | 13.223 | 0.9998 | 2.16 |
28 | 二溴氯甲烷 | 13.758 | 0.9998 | 7.69 |
29 | 1,2-二溴乙烷 | 13.963 | 0.9999 | 4.96 |
30 | 氯苯 | 15.232 | 0.9998 | 2.36 |
31 | 1,1,1,2-四氯乙烷 | 15.473 | 0.9995 | 3.77 |
32 | 乙苯 | 15.572 | 0.9997 | 4.00 |
33 | 间对二甲苯 | 15.882 | 0.9996 | 4.27 |
34 | 邻二甲苯 | 16.878 | 0.9996 | 4.13 |
35 | 苯乙烯 | 16.915 | 0.9997 | 3.07 |
36 | 溴仿 | 17.292 | 0.9993 | 10.24 |
37 | 异丙苯 | 17.822 | 0.9996 | 3.29 |
38 | 4-溴氟苯(SS) | 18.22 | 0.9997 | 1.75 |
39 | 溴苯 | 18.571 | 0.9995 | 2.27 |
40 | 1,1,2,2-四氯乙烷 | 18.797 | 0.9956 | 4.37 |
41 | 1,2,3-三氯丙烷 | 18.76 | 0.9995 | 2.79 |
42 | 正丙苯 | 18.986 | 0.9996 | 4.36 |
43 | 2-氯甲苯 | 19.127 | 0.9993 | 2.53 |
44 | 4-氯甲苯 | 19.426 | 0.9994 | 3.15 |
45 | 1,3,5-三甲基苯 | 19.478 | 0.9997 | 5.86 |
46 | 叔丁基苯 | 20.265 | 0.9998 | 5.53 |
47 | 1,2,4-三甲基苯 | 20.385 | 0.9996 | 5.69 |
48 | 仲丁基苯 | 20.794 | 0.9995 | 5.47 |
49 | 1,3-二氯苯 | 20.941 | 0.9996 | 1.75 |
50 | 4-异丙基甲苯 | 21.151 | 0.9997 | 4.14 |
51 | 1,4-二氯苯 | 21.156 | 0.9997 | 1.61 |
52 | 1,2-二氯苯 | 21.943 | 0.9997 | 1.57 |
53 | 正丁基苯 | 22.042 | 0.9997 | 5.07 |
54 | 1,2-二溴-3-氯丙烷 | 23.521 | 0.9985 | 10.13 |
55 | 1,2,4-三氯苯 | 25.073 | 0.9996 | 5.38 |
56 | 六氯丁二烯 | 25.44 | 0.9996 | 3.08 |
57 | 萘 | 25.482 | 0.9994 | 8.88 |
58 | 1,2,3-三氯苯 | 25.906 | 0.9998 | 4.97 |
表2 0.5μg/L精密度准确度结果
化合物 | 保留时间/min | 计算浓度/ μg/L | 平均浓度 / μg/L | RSD/% | 平均回收率/% | |||||||
1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | |||||
氯乙烯 | 2.318 | 0.44 | 0.42 | 0.53 | 0.43 | 0.50 | 0.44 | 0.42 | 0.48 | 0.46 | 9.3 | 91.6 |
1,1-二氯乙烯 | 3.933 | 0.44 | 0.46 | 0.52 | 0.45 | 0.46 | 0.48 | 0.45 | 0.46 | 0.46 | 5.1 | 92.9 |
二氯甲烷 | 4.598 | 0.56 | 0.55 | 0.57 | 0.59 | 0.54 | 0.53 | 0.56 | 0.51 | 0.55 | 4.5 | 110 |
反式-1,2-二氯乙烯 | 4.971 | 0.47 | 0.54 | 0.50 | 0.50 | 0.55 | 0.45 | 0.52 | 0.53 | 0.51 | 6.9 | 101.4 |
1,1-二氯乙烷 | 5.605 | 0.51 | 0.47 | 0.50 | 0.54 | 0.49 | 0.49 | 0.47 | 0.46 | 0.49 | 5.2 | 98.0 |
氯丁二烯 | 5.747 | 0.48 | 0.49 | 0.47 | 0.46 | 0.48 | 0.47 | 0.45 | 0.48 | 0.47 | 2.5 | 94.7 |
2,2-二氯丙烷 | 6.523 | 0.50 | 0.48 | 0.56 | 0.58 | 0.49 | 0.46 | 0.53 | 0.42 | 0.52 | 7.9 | 103.2 |
顺式-1,2-二氯乙烯 | 6.538 | 0.48 | 0.47 | 0.51 | 0.46 | 0.45 | 0.46 | 0.47 | 0.46 | 0.47 | 3.9 | 94.2 |
溴氯甲烷 | 6.942 | 0.48 | 0.46 | 0.42 | 0.41 | 0.39 | 0.41 | 0.36 | 0.41 | 0.42 | 9.0 | 83.4 |
氯仿 | 7.084 | 0.54 | 0.51 | 0.53 | 0.54 | 0.53 | 0.49 | 0.53 | 0.52 | 0.52 | 3.2 | 104.8 |
二溴氟甲烷(SS) | 7.351 | 0.47 | 0.49 | 0.51 | 0.50 | 0.49 | 0.51 | 0.51 | 0.54 | 0.50 | 3.7 | 100.5 |
1,1,1-三氯乙烷 | 7.414 | 0.48 | 0.49 | 0.50 | 0.46 | 0.48 | 0.48 | 0.48 | 0.50 | 0.48 | 2.7 | 96.3 |
四氯化碳 | 7.676 | 0.44 | 0.44 | 0.43 | 0.43 | 0.45 | 0.49 | 0.42 | 0.47 | 0.45 | 5.0 | 89.4 |
1,1-二氯丙烯 | 7.702 | 0.47 | 0.46 | 0.55 | 0.44 | 0.48 | 0.50 | 0.48 | 0.47 | 0.48 | 6.4 | 96.0 |
苯 | 8.048 | 0.49 | 0.51 | 0.50 | 0.51 | 0.53 | 0.52 | 0.51 | 0.50 | 0.51 | 2.6 | 101.9 |
1,2-二氯乙烷 | 8.075 | 0.52 | 0.50 | 0.51 | 0.48 | 0.51 | 0.52 | 0.52 | 0.51 | 0.51 | 2.6 | 101.4 |
三氯乙烯 | 9.281 | 0.46 | 0.46 | 0.44 | 0.51 | 0.45 | 0.48 | 0.46 | 0.45 | 0.46 | 4.8 | 92.9 |
1,2-二氯丙烷 | 9.69 | 0.47 | 0.45 | 0.44 | 0.52 | 0.49 | 0.52 | 0.46 | 0.47 | 0.48 | 6.4 | 95.3% |
二溴甲烷 | 9.915 | 0.44 | 0.49 | 0.51 | 0.48 | 0.45 | 0.46 | 0.46 | 0.49 | 0.47 | 5.2 | 94.1 |
一溴二氯甲烷 | 10.282 | 0.48 | 0.42 | 0.47 | 0.44 | 0.44 | 0.47 | 0.45 | 0.49 | 0.46 | 5.4 | 92.0 |
顺1,3-二氯丙烯 | 11.247 | 0.42 | 0.44 | 0.50 | 0.46 | 0.46 | 0.47 | 0.44 | 0.46 | 0.46 | 4.8 | 91.6 |
甲苯-D8(SS) | 11.808 | 0.51 | 0.48 | 0.52 | 0.51 | 0.49 | 0.49 | 0.46 | 0.50 | 0.50 | 3.8 | 99.5 |
甲苯 | 11.955 | 0.54 | 0.53 | 0.52 | 0.51 | 0.53 | 0.52 | 0.51 | 0.53 | 0.52 | 2.0 | 104.7 |
反-1,3-二氯丙烯 | 12.479 | 0.48 | 0.46 | 0.48 | 0.44 | 0.42 | 0.47 | 0.42 | 0.44 | 0.45 | 5.7 | 90.2 |
1,1,2-三氯乙烷 | 12.862 | 0.49 | 0.52 | 0.52 | 0.52 | 0.48 | 0.49 | 0.46 | 0.43 | 0.49 | 6.9 | 97.6 |
四氯乙烯 | 13.197 | 0.49 | 0.45 | 0.49 | 0.47 | 0.50 | 0.50 | 0.49 | 0.49 | 0.49 | 3.3 | 97.0 |
1,3-二氯丙烷 | 13.223 | 0.47 | 0.49 | 0.50 | 0.49 | 0.48 | 0.50 | 0.46 | 0.49 | 0.49 | 2.7 | 97.0 |
二溴氯甲烷 | 13.758 | 0.45 | 0.45 | 0.41 | 0.44 | 0.43 | 0.47 | 0.43 | 0.46 | 0.44 | 4.5 | 88.6 |
1,2-二溴乙烷 | 13.963 | 0.46 | 0.46 | 0.48 | 0.45 | 0.46 | 0.46 | 0.43 | 0.48 | 0.46 | 3.3 | 91.7 |
氯苯 | 15.232 | 0.51 | 0.46 | 0.51 | 0.46 | 0.49 | 0.48 | 0.49 | 0.52 | 0.49 | 4.9 | 98.0 |
1,1,1,2-四氯乙烷 | 15.473 | 0.48 | 0.47 | 0.46 | 0.45 | 0.48 | 0.47 | 0.45 | 0.49 | 0.47 | 3.0 | 93.7 |
乙苯 | 15.572 | 0.53 | 0.50 | 0.52 | 0.50 | 0.50 | 0.52 | 0.49 | 0.53 | 0.51 | 2.8 | 102.1 |
间对二甲苯 | 15.882 | 0.52 | 0.51 | 0.51 | 0.51 | 0.50 | 0.52 | 0.49 | 0.52 | 0.51 | 1.9 | 102.3 |
邻二甲苯 | 16.878 | 0.56 | 0.50 | 0.50 | 0.49 | 0.49 | 0.51 | 0.52 | 0.47 | 0.51 | 5.1 | 101.0 |
苯乙烯 | 16.915 | 0.52 | 0.50 | 0.55 | 0.49 | 0.50 | 0.53 | 0.49 | 0.51 | 0.51 | 4.0 | 102.2 |
溴仿 | 17.292 | 0.46 | 0.43 | 0.41 | 0.40 | 0.42 | 0.48 | 0.43 | 0.45 | 0.44 | 6.2 | 87.1 |
异丙苯 | 17.822 | 0.53 | 0.49 | 0.51 | 0.53 | 0.52 | 0.54 | 0.49 | 0.52 | 0.52 | 3.3 | 103.0 |
4-溴氟苯(SS) | 18.22 | 0.51 | 0.48 | 0.50 | 0.50 | 0.55 | 0.51 | 0.49 | 0.51 | 0.51 | 4.4 | 101.3 |
溴苯 | 18.571 | 0.45 | 0.49 | 0.51 | 0.48 | 0.47 | 0.48 | 0.46 | 0.50 | 0.48 | 4.3 | 96.1 |
1,1,2,2-四氯乙烷 | 18.797 | 0.57 | 0.55 | 0.60 | 0.54 | 0.54 | 0.57 | 0.54 | 0.50 | 0.55 | 5.3 | 110.3 |
1,2,3-三氯丙烷 | 18.76 | 0.51 | 0.50 | 0.50 | 0.51 | 0.50 | 0.47 | 0.53 | 0.52 | 0.50 | 3.8 | 100.9 |
正丙苯 | 18.986 | 0.49 | 0.47 | 0.49 | 0.44 | 0.47 | 0.48 | 0.46 | 0.48 | 0.47 | 3.5 | 94.3 |
2-氯甲苯 | 19.127 | 0.52 | 0.50 | 0.51 | 0.44 | 0.49 | 0.41 | 0.51 | 0.50 | 0.49 | 7.7 | 97.0 |
4-氯甲苯 | 19.426 | 0.48 | 0.45 | 0.45 | 0.49 | 0.48 | 0.48 | 0.47 | 0.49 | 0.47 | 3.5 | 94.6 |
1,3,5-三甲基苯 | 19.478 | 0.47 | 0.45 | 0.47 | 0.45 | 0.47 | 0.48 | 0.47 | 0.46 | 0.46 | 2.5 | 92.8% |
叔丁基苯 | 20.265 | 0.48 | 0.46 | 0.49 | 0.43 | 0.45 | 0.47 | 0.47 | 0.48 | 0.46 | 3.8 | 92.7 |
1,2,4-三甲基苯 | 20.385 | 0.47 | 0.45 | 0.45 | 0.45 | 0.48 | 0.45 | 0.44 | 0.47 | 0.46 | 3.2 | 91.7 |
仲丁基苯 | 20.794 | 0.48 | 0.45 | 0.47 | 0.45 | 0.50 | 0.48 | 0.45 | 0.47 | 0.47 | 3.6 | 93.8 |
1,3-二氯苯 | 20.941 | 0.52 | 0.49 | 0.49 | 0.50 | 0.53 | 0.54 | 0.50 | 0.50 | 0.51 | 3.7 | 101.5 |
4-异丙基甲苯 | 21.151 | 0.50 | 0.49 | 0.49 | 0.49 | 0.48 | 0.50 | 0.49 | 0.50 | 0.49 | 1.6 | 98.5 |
1,4-二氯苯 | 21.156 | 0.47 | 0.48 | 0.51 | 0.49 | 0.49 | 0.53 | 0.49 | 0.52 | 0.50 | 2.0 | 99.5 |
1,2-二氯苯 | 21.943 | 0.48 | 0.46 | 0.50 | 0.49 | 0.49 | 0.48 | 0.46 | 0.51 | 0.48 | 3.5 | 96.8 |
正丁基苯 | 22.042 | 0.47 | 0.46 | 0.47 | 0.48 | 0.45 | 0.48 | 0.45 | 0.47 | 0.47 | 2.7 | 93.1 |
1,2-二溴-3-氯丙烷 | 23.521 | 0.47 | 0.38 | 0.39 | 0.39 | 0.35 | 0.44 | 0.42 | 0.45 | 0.41 | 9.7 | 82.1 |
1,2,4-三氯苯 | 25.073 | 0.47 | 0.49 | 0.52 | 0.48 | 0.46 | 0.53 | 0.47 | 0.47 | 0.49 | 4.9 | 97.2 |
六氯丁二烯 | 25.44 | 0.53 | 0.53 | 0.50 | 0.52 | 0.54 | 0.52 | 0.50 | 0.53 | 0.52 | 3.0 | 104.5 |
萘 | 25.482 | 0.46 | 0.46 | 0.49 | 0.45 | 0.48 | 0.50 | 0.46 | 0.45 | 0.47 | 3.8 | 94.0 |
1,2,3-三氯苯 | 25.906 | 0.49 | 0.46 | 0.50 | 0.51 | 0.52 | 0.51 | 0.47 | 0.49 | 0.49 | 4.0 | 98.5 |
表3 1.0μg/L精密度准确度结果
化合物 | 保留时间/min | 计算浓度/ μg/L | 平均浓度 / μg/L | RSD/% | 平均回收率/% | |||||||
1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | |||||
氯乙烯 | 2.318 | 1.00 | 0.93 | 0.97 | 1.02 | 1.00 | 1.00 | 0.95 | 0.97 | 0.98 | 2.9 | 98.1 |
1,1-二氯乙烯 | 3.933 | 0.91 | 0.98 | 0.97 | 0.96 | 0.95 | 0.89 | 0.97 | 0.96 | 0.95 | 3.3 | 94.9 |
二氯甲烷 | 4.598 | 1.03 | 1.09 | 1.09 | 1.11 | 1.17 | 1.12 | 1.12 | 1.07 | 1.10 | 3.7 | 110.0 |
反式-1,2-二氯乙烯 | 4.971 | 0.87 | 0.98 | 0.97 | 1.01 | 0.92 | 0.96 | 1.00 | 0.94 | 0.96 | 4.7 | 95.6 |
1,1-二氯乙烷 | 5.605 | 1.01 | 0.96 | 1.00 | 0.96 | 1.06 | 0.92 | 1.01 | 0.96 | 0.99 | 4.2 | 98.6 |
氯丁二烯 | 5.747 | 1.00 | 0.93 | 1.00 | 0.94 | 0.93 | 0.94 | 0.94 | 0.94 | 0.95 | 3.1 | 95.2 |
2,2-二氯丙烷 | 6.523 | 1.10 | 1.06 | 1.06 | 1.03 | 1.03 | 1.08 | 1.08 | 1.00 | 1.06 | 3.1 | 105.5 |
顺式-1,2-二氯乙烯 | 6.538 | 0.94 | 0.91 | 0.97 | 0.89 | 0.93 | 0.91 | 0.98 | 0.98 | 0.94 | 3.6 | 93.9 |
溴氯甲烷 | 6.942 | 0.98 | 0.90 | 1.08 | 0.89 | 0.89 | 0.85 | 0.86 | 0.84 | 0.91 | 9.0 | 91.4 |
氯仿 | 7.084 | 1.01 | 1.05 | 1.12 | 1.10 | 1.03 | 1.03 | 1.09 | 1.06 | 1.06 | 3.6 | 106.0 |
二溴氟甲烷(SS) | 7.351 | 1.03 | 0.93 | 1.04 | 0.99 | 1.02 | 0.99 | 0.99 | 0.95 | 0.99 | 3.8 | 99.1 |
1,1,1-三氯乙烷 | 7.414 | 0.98 | 0.99 | 1.03 | 1.05 | 0.96 | 0.90 | 0.99 | 0.97 | 0.98 | 4.7 | 98.3 |
四氯化碳 | 7.676 | 0.92 | 0.94 | 1.00 | 0.92 | 0.92 | 0.89 | 0.93 | 0.94 | 0.93 | 3.3 | 93.1 |
1,1-二氯丙烯 | 7.702 | 1.00 | 0.90 | 1.03 | 0.96 | 0.95 | 0.93 | 0.99 | 1.01 | 0.97 | 4.6 | 97.1 |
苯 | 8.048 | 0.97 | 1.00 | 1.05 | 1.00 | 0.97 | 0.98 | 0.98 | 0.96 | 0.99 | 2.9 | 98.8 |
1,2-二氯乙烷 | 8.075 | 1.08 | 1.04 | 1.10 | 1.07 | 1.04 | 1.01 | 1.05 | 0.99 | 1.05 | 3.4 | 104.6 |
三氯乙烯 | 9.281 | 0.94 | 0.94 | 0.95 | 0.95 | 0.94 | 0.95 | 0.90 | 0.97 | 0.94 | 2.3 | 94.3 |
1,2-二氯丙烷 | 9.69 | 0.90 | 1.05 | 1.03 | 0.95 | 0.91 | 0.92 | 0.96 | 1.01 | 0.97 | 5.9 | 96.7 |
二溴甲烷 | 9.915 | 0.96 | 1.02 | 1.03 | 0.99 | 0.98 | 0.88 | 0.99 | 0.94 | 0.97 | 4.9 | 97.4 |
一溴二氯甲烷 | 10.282 | 0.94 | 0.93 | 0.99 | 1.02 | 0.99 | 0.93 | 0.94 | 0.96 | 0.96 | 3.3 | 96.3 |
顺1,3-二氯丙烯 | 11.247 | 0.96 | 0.99 | 1.01 | 0.90 | 0.90 | 0.92 | 0.91 | 0.90 | 0.93 | 4.8 | 93.4 |
甲苯-D8(SS) | 11.808 | 0.98 | 0.98 | 1.05 | 0.99 | 0.97 | 0.96 | 0.99 | 0.95 | 0.98 | 3.2 | 98.2 |
甲苯 | 11.955 | 1.01 | 1.04 | 1.04 | 1.02 | 1.02 | 0.99 | 1.02 | 0.99 | 1.02 | 2.0 | 101.8 |
反-1,3-二氯丙烯 | 12.479 | 0.92 | 0.92 | 0.91 | 0.89 | 0.89 | 0.87 | 0.92 | 0.82 | 0.89 | 3.9 | 89.1 |
1,1,2-三氯乙烷 | 12.862 | 1.01 | 1.04 | 1.03 | 1.05 | 1.01 | 1.03 | 0.98 | 1.01 | 1.02 | 2.1 | 102.0 |
四氯乙烯 | 13.197 | 1.06 | 1.02 | 1.08 | 1.03 | 0.94 | 0.95 | 1.04 | 0.99 | 1.01 | 5.0 | 101.4 |
1,3-二氯丙烷 | 13.223 | 0.98 | 0.98 | 1.06 | 0.97 | 1.02 | 0.98 | 0.95 | 0.97 | 0.99 | 3.6 | 98.8 |
二溴氯甲烷 | 13.758 | 0.96 | 0.96 | 0.97 | 0.88 | 0.90 | 0.91 | 0.93 | 0.88 | 0.92 | 3.9 | 92.4 |
1,2-二溴乙烷 | 13.963 | 0.99 | 0.94 | 1.06 | 0.95 | 0.95 | 0.91 | 0.95 | 0.91 | 0.96 | 5.0 | 95.8 |
氯苯 | 15.232 | 0.99 | 0.90 | 0.97 | 0.97 | 0.96 | 0.93 | 0.96 | 0.98 | 0.96 | 3.1 | 95.8 |
1,1,1,2-四氯乙烷 | 15.473 | 0.94 | 0.96 | 0.91 | 0.96 | 0.93 | 0.93 | 0.97 | 0.95 | 0.94 | 2.1 | 94.5 |
乙苯 | 15.572 | 0.96 | 0.94 | 0.98 | 0.94 | 0.94 | 0.93 | 0.93 | 0.95 | 0.95 | 1.9 | 94.7 |
间对二甲苯 | 15.882 | 0.96 | 0.95 | 0.97 | 0.95 | 0.95 | 0.96 | 0.97 | 0.92 | 0.95 | 1.5 | 95.3 |
邻二甲苯 | 16.878 | 0.93 | 0.91 | 0.97 | 0.94 | 0.92 | 0.91 | 0.93 | 0.97 | 0.93 | 2.5 | 93.4 |
苯乙烯 | 16.915 | 0.92 | 0.97 | 0.94 | 0.91 | 0.92 | 0.94 | 0.90 | 1.01 | 0.94 | 3.5 | 94.0 |
溴仿 | 17.292 | 0.92 | 0.87 | 0.91 | 0.91 | 0.85 | 0.82 | 0.92 | 0.86 | 0.88 | 4.1 | 88.2 |
异丙苯 | 17.822 | 0.97 | 0.97 | 1.01 | 0.97 | 0.95 | 0.98 | 0.96 | 0.95 | 0.97 | 2.0 | 97.0 |
4-溴氟苯(SS) | 18.22 | 0.96 | 0.95 | 0.97 | 0.99 | 0.96 | 0.97 | 0.98 | 1.00 | 0.97 | 1.9 | 97.2 |
溴苯 | 18.571 | 0.97 | 0.95 | 0.99 | 0.97 | 0.97 | 0.94 | 0.99 | 0.99 | 0.97 | 1.7 | 97.1 |
1,1,2,2-四氯乙烷 | 18.797 | 1.13 | 1.02 | 1.06 | 1.01 | 1.03 | 1.02 | 1.05 | 0.96 | 1.03 | 4.7 | 103.3 |
1,2,3-三氯丙烷 | 18.76 | 0.96 | 0.96 | 1.00 | 0.95 | 0.94 | 0.98 | 1.01 | 0.97 | 0.97 | 2.5 | 97.1 |
正丙苯 | 18.986 | 0.94 | 0.93 | 0.94 | 0.90 | 0.95 | 0.90 | 0.94 | 0.94 | 0.93 | 2.1 | 93.2 |
2-氯甲苯 | 19.127 | 0.98 | 0.94 | 0.98 | 0.96 | 0.97 | 0.95 | 0.97 | 0.98 | 0.97 | 1.5 | 96.5 |
4-氯甲苯 | 19.426 | 0.98 | 0.94 | 1.01 | 0.92 | 0.86 | 0.84 | 0.95 | 0.95 | 0.93 | 6.1 | 93.2 |
1,3,5-三甲基苯 | 19.478 | 0.96 | 0.93 | 0.93 | 0.90 | 0.93 | 0.94 | 0.96 | 0.92 | 0.93 | 2.1 | 93.3 |
叔丁基苯 | 20.265 | 0.94 | 0.94 | 0.95 | 0.91 | 0.91 | 0.90 | 0.94 | 0.93 | 0.93 | 2.0 | 92.7 |
1,2,4-三甲基苯 | 20.385 | 0.93 | 0.93 | 0.94 | 0.94 | 0.91 | 0.89 | 0.95 | 0.92 | 0.92 | 2.2 | 92.4 |
仲丁基苯 | 20.794 | 0.96 | 0.92 | 0.99 | 0.92 | 0.94 | 0.91 | 0.95 | 0.93 | 0.94 | 2.9 | 93.9 |
1,3-二氯苯 | 20.941 | 0.94 | 0.99 | 0.99 | 0.94 | 0.94 | 0.96 | 0.98 | 0.97 | 0.96 | 2.2 | 96.4 |
1,4-二氯苯 | 21.156 | 0.95 | 0.98 | 0.99 | 0.94 | 0.96 | 0.93 | 0.97 | 1.00 | 0.96 | 2.4 | 96.5 |
4-异丙基甲苯 | 21.151 | 0.93 | 0.91 | 0.99 | 0.95 | 0.94 | 0.91 | 0.96 | 0.92 | 0.94 | 2.8 | 94.0 |
1,2-二氯苯 | 21.943 | 0.95 | 0.93 | 0.97 | 0.93 | 0.95 | 0.90 | 0.99 | 1.00 | 0.95 | 3.4 | 95.3 |
正丁基苯 | 22.042 | 0.90 | 0.92 | 0.94 | 0.94 | 0.90 | 0.89 | 0.93 | 0.93 | 0.92 | 2.1 | 91.8 |
1,2-二溴-3-氯丙烷 | 23.521 | 0.87 | 0.84 | 0.85 | 0.87 | 0.96 | 0.82 | 0.94 | 0.91 | 0.88 | 5.6 | 88.0 |
1,2,4-三氯苯 | 25.073 | 0.96 | 0.92 | 0.95 | 0.95 | 0.95 | 0.89 | 0.93 | 0.97 | 0.94 | 2.6 | 94.1 |
六氯丁二烯 | 25.44 | 1.03 | 0.95 | 1.04 | 0.96 | 1.01 | 0.96 | 0.97 | 0.98 | 0.99 | 3.4 | 98.8 |
萘 | 25.482 | 0.90 | 0.87 | 0.89 | 0.89 | 0.86 | 0.86 | 0.88 | 0.88 | 0.88 | 1.7 | 87.9 |
1,2,3-三氯苯 | 25.906 | 0.94 | 0.94 | 0.96 | 0.94 | 0.92 | 0.88 | 0.95 | 0.92 | 0.93 | 2.7 | 93.1 |
表4 10.0μg/L精密度准确度结果
化合物 | 保留时间/min | 计算浓度/ μg/L | 平均浓度 / μg/L | RSD/% | 平均回收率/% | |||||||
1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | |||||
氯乙烯 | 2.318 | 1.00 | 0.93 | 0.97 | 1.02 | 1.00 | 1.00 | 0.95 | 0.97 | 0.98 | 2.9 | 98.1 |
1,1-二氯乙烯 | 3.933 | 0.91 | 0.98 | 0.97 | 0.96 | 0.95 | 0.89 | 0.97 | 0.96 | 0.95 | 3.3 | 94.9 |
二氯甲烷 | 4.598 | 1.03 | 1.09 | 1.09 | 1.11 | 1.17 | 1.12 | 1.12 | 1.07 | 1.10 | 3.7 | 110.0 |
反式-1,2-二氯乙烯 | 4.971 | 0.87 | 0.98 | 0.97 | 1.01 | 0.92 | 0.96 | 1.00 | 0.94 | 0.96 | 4.7 | 95.6 |
1,1-二氯乙烷 | 5.605 | 1.01 | 0.96 | 1.00 | 0.96 | 1.06 | 0.92 | 1.01 | 0.96 | 0.99 | 4.2 | 98.6 |
氯丁二烯 | 5.747 | 1.00 | 0.93 | 1.00 | 0.94 | 0.93 | 0.94 | 0.94 | 0.94 | 0.95 | 3.1 | 95.2 |
2,2-二氯丙烷 | 6.523 | 1.90 | 1.46 | 1.66 | 1.73 | 1.53 | 1.58 | 1.98 | 1.60 | 1.68 | 10.8 | 168.0 |
顺式-1,2-二氯乙烯 | 6.538 | 0.94 | 0.91 | 0.97 | 0.89 | 0.93 | 0.91 | 0.98 | 0.98 | 0.94 | 3.6 | 93.9 |
溴氯甲烷 | 6.942 | 0.98 | 0.90 | 1.08 | 0.89 | 0.89 | 0.85 | 0.86 | 0.84 | 0.91 | 9.0 | 91.4 |
氯仿 | 7.084 | 1.01 | 1.05 | 1.12 | 1.10 | 1.03 | 1.03 | 1.09 | 1.06 | 1.06 | 3.6 | 106.0 |
二溴氟甲烷(SS) | 7.351 | 1.03 | 0.93 | 1.04 | 0.99 | 1.02 | 0.99 | 0.99 | 0.95 | 0.99 | 3.8 | 99.1 |
1,1,1-三氯乙烷 | 7.414 | 0.98 | 0.99 | 1.03 | 1.05 | 0.96 | 0.90 | 0.99 | 0.97 | 0.98 | 4.7 | 98.3 |
四氯化碳 | 7.676 | 0.92 | 0.94 | 1.00 | 0.92 | 0.92 | 0.89 | 0.93 | 0.94 | 0.93 | 3.3 | 93.1 |
1,1-二氯丙烯 | 7.702 | 1.00 | 0.90 | 1.03 | 0.96 | 0.95 | 0.93 | 0.99 | 1.01 | 0.97 | 4.6 | 97.1 |
苯 | 8.048 | 0.97 | 1.00 | 1.05 | 1.00 | 0.97 | 0.98 | 0.98 | 0.96 | 0.99 | 2.9 | 98.8 |
1,2-二氯乙烷 | 8.075 | 1.08 | 1.04 | 1.10 | 1.07 | 1.04 | 1.01 | 1.05 | 0.99 | 1.05 | 3.4 | 104.6 |
三氯乙烯 | 9.281 | 0.94 | 0.94 | 0.95 | 0.95 | 0.94 | 0.95 | 0.90 | 0.97 | 0.94 | 2.3 | 94.3 |
1,2-二氯丙烷 | 9.69 | 0.90 | 1.05 | 1.03 | 0.95 | 0.91 | 0.92 | 0.96 | 1.01 | 0.97 | 5.9 | 96.7 |
二溴甲烷 | 9.915 | 0.96 | 1.02 | 1.03 | 0.99 | 0.98 | 0.88 | 0.99 | 0.94 | 0.97 | 4.9 | 97.4 |
一溴二氯甲烷 | 10.282 | 0.94 | 0.93 | 0.99 | 1.02 | 0.99 | 0.93 | 0.94 | 0.96 | 0.96 | 3.3 | 96.3 |
顺1,3-二氯丙烯 | 11.247 | 0.96 | 0.99 | 1.01 | 0.90 | 0.90 | 0.92 | 0.91 | 0.90 | 0.93 | 4.8 | 93.4 |
甲苯-D8(SS) | 11.808 | 0.98 | 0.98 | 1.05 | 0.99 | 0.97 | 0.96 | 0.99 | 0.95 | 0.98 | 3.2 | 98.2 |
甲苯 | 11.955 | 1.01 | 1.04 | 1.04 | 1.02 | 1.02 | 0.99 | 1.02 | 0.99 | 1.02 | 2.0 | 101.8 |
反-1,3-二氯丙烯 | 12.479 | 0.92 | 0.92 | 0.91 | 0.89 | 0.89 | 0.87 | 0.92 | 0.82 | 0.89 | 3.9 | 89.1 |
1,1,2-三氯乙烷 | 12.862 | 1.01 | 1.04 | 1.03 | 1.05 | 1.01 | 1.03 | 0.98 | 1.01 | 1.02 | 2.1 | 102.0 |
四氯乙烯 | 13.197 | 1.06 | 1.02 | 1.08 | 1.03 | 0.94 | 0.95 | 1.04 | 0.99 | 1.01 | 5.0 | 101.4 |
1,3-二氯丙烷 | 13.223 | 0.98 | 0.98 | 1.06 | 0.97 | 1.02 | 0.98 | 0.95 | 0.97 | 0.99 | 3.6 | 98.8 |
二溴氯甲烷 | 13.758 | 0.96 | 0.96 | 0.97 | 0.88 | 0.90 | 0.91 | 0.93 | 0.88 | 0.92 | 3.9 | 92.4 |
1,2-二溴乙烷 | 13.963 | 0.99 | 0.94 | 1.06 | 0.95 | 0.95 | 0.91 | 0.95 | 0.91 | 0.96 | 5.0 | 95.8 |
氯苯 | 15.232 | 0.99 | 0.90 | 0.97 | 0.97 | 0.96 | 0.93 | 0.96 | 0.98 | 0.96 | 3.1 | 95.8 |
1,1,1,2-四氯乙烷 | 15.473 | 0.94 | 0.96 | 0.91 | 0.96 | 0.93 | 0.93 | 0.97 | 0.95 | 0.94 | 2.1 | 94.5 |
乙苯 | 15.572 | 0.96 | 0.94 | 0.98 | 0.94 | 0.94 | 0.93 | 0.93 | 0.95 | 0.95 | 1.9 | 94.7 |
间对二甲苯 | 15.882 | 0.96 | 0.95 | 0.97 | 0.95 | 0.95 | 0.96 | 0.97 | 0.92 | 0.95 | 1.5 | 95.3 |
邻二甲苯 | 16.878 | 0.93 | 0.91 | 0.97 | 0.94 | 0.92 | 0.91 | 0.93 | 0.97 | 0.93 | 2.5 | 93.4 |
苯乙烯 | 16.915 | 0.92 | 0.97 | 0.94 | 0.91 | 0.92 | 0.94 | 0.90 | 1.01 | 0.94 | 3.5 | 94.0 |
溴仿 | 17.292 | 0.92 | 0.87 | 0.91 | 0.91 | 0.85 | 0.82 | 0.92 | 0.86 | 0.88 | 4.1 | 88.2 |
异丙苯 | 17.822 | 0.97 | 0.97 | 1.01 | 0.97 | 0.95 | 0.98 | 0.96 | 0.95 | 0.97 | 2.0 | 97.0 |
4-溴氟苯(SS) | 18.22 | 0.96 | 0.95 | 0.97 | 0.99 | 0.96 | 0.97 | 0.98 | 1.00 | 0.97 | 1.9 | 97.2 |
溴苯 | 18.571 | 0.97 | 0.95 | 0.99 | 0.97 | 0.97 | 0.94 | 0.99 | 0.99 | 0.97 | 1.7 | 97.1 |
1,1,2,2-四氯乙烷 | 18.797 | 1.13 | 1.02 | 1.06 | 1.01 | 1.03 | 1.02 | 1.05 | 0.96 | 1.03 | 4.7 | 103.3 |
1,2,3-三氯丙烷 | 18.76 | 0.96 | 0.96 | 1.00 | 0.95 | 0.94 | 0.98 | 1.01 | 0.97 | 0.97 | 2.5 | 97.1 |
正丙苯 | 18.986 | 0.94 | 0.93 | 0.94 | 0.90 | 0.95 | 0.90 | 0.94 | 0.94 | 0.93 | 2.1 | 93.2 |
2-氯甲苯 | 19.127 | 0.98 | 0.94 | 0.98 | 0.96 | 0.97 | 0.95 | 0.97 | 0.98 | 0.97 | 1.5 | 96.5 |
4-氯甲苯 | 19.426 | 0.98 | 0.94 | 1.01 | 0.92 | 0.86 | 0.84 | 0.95 | 0.95 | 0.93 | 6.1 | 93.2 |
1,3,5-三甲基苯 | 19.478 | 0.96 | 0.93 | 0.93 | 0.90 | 0.93 | 0.94 | 0.96 | 0.92 | 0.93 | 2.1 | 93.3 |
叔丁基苯 | 20.265 | 0.94 | 0.94 | 0.95 | 0.91 | 0.91 | 0.90 | 0.94 | 0.93 | 0.93 | 2.0 | 92.7 |
1,2,4-三甲基苯 | 20.385 | 0.93 | 0.93 | 0.94 | 0.94 | 0.91 | 0.89 | 0.95 | 0.92 | 0.92 | 2.2 | 92.4 |
仲丁基苯 | 20.794 | 0.96 | 0.92 | 0.99 | 0.92 | 0.94 | 0.91 | 0.95 | 0.93 | 0.94 | 2.9 | 93.9 |
1,3-二氯苯 | 20.941 | 0.94 | 0.99 | 0.99 | 0.94 | 0.94 | 0.96 | 0.98 | 0.97 | 0.96 | 2.2 | 96.4 |
1,4-二氯苯 | 21.156 | 10.2 | 9.9 | 10.0 | 9.7 | 9.7 | 9.8 | 9.5 | 9.6 | 9.8 | 2.3 | 98.0 |
4-异丙基甲苯 | 21.151 | 0.93 | 0.91 | 0.99 | 0.95 | 0.94 | 0.91 | 0.96 | 0.92 | 0.94 | 2.8 | 94.0 |
1,2-二氯苯 | 21.943 | 0.95 | 0.93 | 0.97 | 0.93 | 0.95 | 0.90 | 0.99 | 1.00 | 0.95 | 3.4 | 95.3 |
正丁基苯 | 22.042 | 0.90 | 0.92 | 0.94 | 0.94 | 0.90 | 0.89 | 0.93 | 0.93 | 0.92 | 2.1 | 91.8 |
1,2-二溴-3-氯丙烷 | 23.521 | 0.87 | 0.84 | 0.85 | 0.87 | 0.96 | 0.82 | 0.94 | 0.91 | 0.88 | 5.6 | 88.0 |
1,2,4-三氯苯 | 25.073 | 0.96 | 0.92 | 0.95 | 0.95 | 0.95 | 0.89 | 0.93 | 0.97 | 0.94 | 2.6 | 94.1 |
六氯丁二烯 | 25.44 | 1.03 | 0.95 | 1.04 | 0.96 | 1.01 | 0.96 | 0.97 | 0.98 | 0.99 | 3.4 | 98.8 |
萘 | 25.482 | 0.90 | 0.87 | 0.89 | 0.89 | 0.86 | 0.86 | 0.88 | 0.88 | 0.88 | 1.7 | 87.9 |
1,2,3-三氯苯 | 25.906 | 0.94 | 0.94 | 0.96 | 0.94 | 0.92 | 0.88 | 0.95 | 0.92 | 0.93 | 2.7 | 93.1 |
表5检出限结果
序号 | 化合物 | 保留时间/min | 检出限/ μg/L | 定量下限/μg/L |
1 | 氯乙烯 | 2.318 | 0.107 | 0.43 |
2 | 1,1-二氯乙烯 | 3.933 | 0.066 | 0.27 |
3 | 二氯甲烷 | 4.598 | 0.108 | 0.43 |
4 | 反式-1,2-二氯乙烯 | 4.971 | 0.106 | 0.42 |
5 | 1,1-二氯乙烷 | 5.605 | 0.086 | 0.35 |
6 | 氯丁二烯 | 5.747 | 0.056 | 0.23 |
7 | 2,2-二氯丙烷 | 6.523 | 0.098 | 0.39 |
8 | 顺式-1,2-二氯乙烯 | 6.538 | 0.072 | 0.29 |
9 | 溴氯甲烷 | 6.942 | 0.148 | 0.59 |
10 | 氯仿 | 7.084 | 0.081 | 0.32 |
11 | 二溴氟甲烷(SS) | 7.351 | - | - |
12 | 1,1,1-三氯乙烷 | 7.414 | 0.091 | 0.36 |
13 | 四氯化碳 | 7.676 | 0.070 | 0.28 |
14 | 1,1-二氯丙烯 | 7.702 | 0.101 | 0.41 |
15 | 苯 | 8.048 | 0.061 | 0.24 |
16 | 1,2-二氯乙烷 | 8.075 | 0.074 | 0.30 |
17 | 三氯乙烯 | 9.281 | 0.056 | 0.22 |
18 | 1,2-二氯丙烷 | 9.69 | 0.119 | 0.48 |
19 | 二溴甲烷 | 9.915 | 0.101 | 0.40 |
20 | 一溴二氯甲烷 | 10.282 | 0.075 | 0.30 |
21 | 顺1,3-二氯丙烯 | 11.247 | 0.087 | 0.35 |
22 | 甲苯-D8(SS) | 11.808 | - | - |
23 | 甲苯 | 11.955 | 0.047 | 0.19 |
24 | 反-1,3-二氯丙烯 | 12.479 | 0.073 | 0.29 |
25 | 1,1,2-三氯乙烷 | 12.862 | 0.071 | 0.29 |
26 | 四氯乙烯 | 13.197 | 0.103 | 0.41 |
27 | 1,3-二氯丙烷 | 13.223 | 0.072 | 0.29 |
28 | 二溴氯甲烷 | 13.758 | 0.071 | 0.28 |
29 | 1,2-二溴乙烷 | 13.963 | 0.092 | 0.37 |
30 | 氯苯 | 15.232 | 0.072 | 0.29 |
31 | 1,1,1,2-四氯乙烷 | 15.473 | 0.045 | 0.18 |
32 | 乙苯 | 15.572 | 0.042 | 0.17 |
33 | 间对二甲苯 | 15.882 | 0.032 | 0.13 |
34 | 邻二甲苯 | 16.878 | 0.063 | 0.25 |
35 | 苯乙烯 | 16.915 | 0.072 | 0.29 |
36 | 溴仿 | 17.292 | 0.076 | 0.30 |
37 | 异丙苯 | 17.822 | 0.048 | 0.19 |
38 | 4-溴氟苯(SS) | 18.22 | - | - |
39 | 溴苯 | 18.571 | 0.050 | 0.20 |
40 | 1,1,2,2-四氯乙烷 | 18.797 | 0.111 | 0.44 |
41 | 1,2,3-三氯丙烷 | 18.76 | 0.061 | 0.24 |
42 | 正丙苯 | 18.986 | 0.046 | 0.19 |
43 | 2-氯甲苯 | 19.127 | 0.052 | 0.21 |
44 | 4-氯甲苯 | 19.426 | 0.056 | 0.23 |
45 | 1,3,5-三甲基苯 | 19.478 | 0.041 | 0.16 |
46 | 叔丁基苯 | 20.265 | 0.040 | 0.16 |
47 | 1,2,4-三甲基苯 | 20.385 | 0.048 | 0.19 |
48 | 仲丁基苯 | 20.794 | 0.057 | 0.23 |
49 | 1,3-二氯苯 | 20.941 | 0.054 | 0.22 |
50 | 4-异丙基甲苯 | 21.151 | 0.050 | 0.20 |
51 | 1,4-二氯苯 | 21.156 | 0.063 | 0.25 |
52 | 1,2-二氯苯 | 21.943 | 0.069 | 0.27 |
53 | 正丁基苯 | 22.042 | 0.042 | 0.17 |
54 | 1,2-二溴-3-氯丙烷 | 23.521 | 0.105 | 0.42 |
55 | 1,2,4-三氯苯 | 25.073 | 0.060 | 0.24 |
56 | 六氯丁二烯 | 25.44 | 0.070 | 0.28 |
57 | 萘 | 25.482 | 0.040 | 0.16 |
58 | 1,2,3-三氯苯 | 25.906 | 0.057 | 0.23 |
1、HJ 639-2012 水质 挥发性有机物的测定吹扫捕集/气相色谱-质谱法