图1.弗罗里硅土柱净化方法
图2.硅胶柱净化方法
图3多环芳烃标准液总离子流谱图
图4样品加标的总离子流谱图
表1硅胶柱净化加标样品回收率
名称 | 硅胶柱净化回收率(%) | 平均值(%) | RSD (%) | |||||
1 | 2 | 3 | 4 | 5 | 6 | |||
萘 | 63.5 | 64.1 | 68.5 | 63.6 | 66.0 | 67.3 | 65.5 | 3.2 |
苊烯 | 66.5 | 68.1 | 68.6 | 70.7 | 74.0 | 72.9 | 70.1 | 4.2 |
苊 | 62.9 | 65.8 | 66.3 | 64.2 | 62.7 | 61.7 | 63.9 | 2.9 |
芴 | 75.8 | 76.6 | 76.4 | 79.3 | 83.2 | 80.7 | 78.7 | 3.7 |
菲 | 93.0 | 94.1 | 89.3 | 95.3 | 97.4 | 92.2 | 93.6 | 3.0 |
蒽 | 81.2 | 85.4 | 87.4 | 85.2 | 92.5 | 85.8 | 86.3 | 4.3 |
荧蒽 | 95.4 | 97.1 | 96.4 | 95.4 | 98.3 | 92.1 | 95.8 | 2.2 |
芘 | 99.5 | 93.1 | 90.4 | 90.5 | 98.9 | 93.1 | 94.3 | 4.3 |
苯并[a]蒽 | 105.2 | 100.1 | 104.7 | 104.0 | 103.6 | 111.4 | 104.8 | 3.5 |
屈 | 96.5 | 93.3 | 98.3 | 94.3 | 96.6 | 90.4 | 94.9 | 3.0 |
苯并荧蒽 | 104.4 | 103.7 | 103.6 | 101.2 | 100.1 | 99.4 | 102.1 | 2.1 |
苯并[k]荧蒽 | 99.5 | 100.9 | 105.9 | 96.7 | 101.7 | 103.1 | 101.3 | 3.1 |
苯并[a]芘 | 99.7 | 92.5 | 102.8 | 98.3 | 97.9 | 93.9 | 97.5 | 3.9 |
茚苯[1,2,3-cd]芘 | 109.9 | 120.9 | 113.5 | 109.4 | 113.7 | 112.6 | 113.3 | 3.6 |
二苯并[a, h]蒽 | 120.2 | 110.3 | 106.4 | 100.2 | 97.6 | 99.0 | 105.6 | 8.2 |
苯并[ghi]苝 | 101.7 | 113.6 | 103.3 | 99.6 | 109.5 | 103.7 | 105.2 | 5.0 |
表2弗罗里硅土柱净化加标样品回收率
名称 | 弗罗里硅土柱净化回收率(%) | 平均值 (%) | RSD (%) | |||||
7 | 8 | 9 | 10 | 11 | 12 | |||
萘 | 65.2 | 63.0 | 63.5 | 65.1 | 63.8 | 64.6 | 64.2 | 1.4 |
苊烯 | 72.2 | 70.6 | 71.1 | 74.4 | 73.3 | 74.9 | 72.8 | 2.4 |
苊 | 65.9 | 65.3 | 64.6 | 63.0 | 63.2 | 63.3 | 64.2 | 1.9 |
芴 | 82.0 | 80.0 | 80.8 | 83.7 | 82.8 | 83.8 | 82.2 | 1.9 |
菲 | 91.9 | 92.4 | 97.3 | 94.7 | 93.2 | 90.5 | 93.3 | 2.6 |
蒽 | 88.6 | 83.6 | 81.3 | 84.2 | 86.2 | 88.5 | 85.4 | 3.4 |
荧蒽 | 97.7 | 97.0 | 98.9 | 90.0 | 93.7 | 98.3 | 95.9 | 3.6 |
芘 | 91.2 | 89.4 | 92.2 | 89.4 | 99.3 | 91.7 | 92.2 | 4.0 |
苯并[a]蒽 | 109.8 | 94.5 | 100.9 | 106.2 | 110.3 | 104.9 | 104.4 | 5.7 |
屈 | 95.6 | 93.3 | 100.8 | 101.5 | 96.8 | 99.5 | 97.9 | 3.3 |
苯并荧蒽 | 103.7 | 105.3 | 104.2 | 109.9 | 103.7 | 108.3 | 105.9 | 2.5 |
苯并[k]荧蒽 | 103.3 | 98.4 | 105.1 | 105.1 | 103.5 | 105.3 | 103.5 | 2.5 |
苯并[a]芘 | 95.9 | 97.1 | 97.2 | 97.6 | 97.4 | 90.0 | 95.9 | 3.1 |
茚苯[1,2,3-cd]芘 | 117.4 | 119.9 | 117.8 | 113.3 | 111.2 | 110.6 | 115.0 | 3.4 |
二苯并[a, h]蒽 | 105.3 | 101.7 | 106.3 | 100.3 | 97.7 | 100.9 | 102.0 | 3.2 |
苯并[ghi]苝 | 107.7 | 100.6 | 102.3 | 108.0 | 111.3 | 97.9 | 104.6 | 4.9 |