基于气相色谱-四级杆串联飞行时间质谱联用法测定积雪中28种多氯联苯
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郝琳瑶, 步小敏, 牟臻, 浦伟, 王鑫, 付晓丽
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Determination of 28 kinds of polychlorinated biphenyls in snow based on gas chromatography-quadrupole tandem time-of-flight mass spectrometry
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Linyao HAO, Xiaomin BU, Zhen MU, Wei PU, Xin WANG, Xiaoli FU
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表2 28种PCBs的线性范围、回归方程、相关系数(r)、检出限和定量限
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Table 2 Linearrange, regression equation, correlation coefficients (r), limits of detection (LODs) and limits of quantitation (LOQs) of the 28 PCBs
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化合物 | 线性范围/(μg·L-1) | 回归方程 | 相关系数r | 检出限/(pg·L-1) | 定量限/(pg·L-1) |
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PCB8 | 0.05~10 | y=2.7556x-0.000941 | 0.997 | 1.35 | 4.04 | PCB18 | 0.05~10 | y=1.5747x-0.000721 | 0.999 | 1.47 | 4.41 | PCB28 | 0.05~10 | y=1.8056x+0.000102 | 0.995 | 1.15 | 3.45 | PCB44 | 0.05~10 | y=1.0643x-0.000407 | 0.997 | 1.33 | 4.00 | PCB52 | 0.05~10 | y=1.2568x-0.000302 | 0.996 | 1.33 | 3.98 | PCB66 | 0.05~10 | y=1.2814x+0.000001 | 0.995 | 2.14 | 6.41 | PCB77 | 0.05~10 | y=0.9433x-0.000044 | 0.994 | 1.11 | 3.33 | PCB81 | 0.05~10 | y=0.8777x-0.000739 | 0.996 | 1.99 | 5.98 | PCB101 | 0.05~10 | y=0.8170x-0.000273 | 0.995 | 2.34 | 7.03 | PCB105 | 0.05~10 | y=0.6669x-0.000550 | 0.995 | 1.89 | 5.67 | PCB114 | 0.05~10 | y=0.7190x-0.000245 | 0.996 | 1.08 | 3.25 | PCB118 | 0.05~10 | y=0.7100x-0.000015 | 0.996 | 1.15 | 3.45 | PCB123 | 0.05~10 | y=0.7321x-0.000052 | 0.995 | 1.04 | 3.13 | PCB126 | 0.05~10 | y=1.0730x-0.000649 | 0.995 | 1.09 | 3.26 | PCB128 | 0.05~10 | y=0.8469x+0.000078 | 0.994 | 1.01 | 3.04 | PCB138 | 0.05~10 | y=1.1128x-0.000506 | 0.997 | 2.35 | 7.04 | PCB153 | 0.05~10 | y=0.5086x-0.000358 | 0.996 | 1.02 | 3.05 | PCB156 | 0.05~10 | y=0.8552x-0.000506 | 0.995 | 1.53 | 4.60 | PCB157 | 0.05~10 | y=0.8804x-0.000553 | 0.996 | 2.35 | 7.05 | PCB167 | 0.05~10 | y=0.9421x-0.000545 | 0.994 | 2.30 | 6.91 | PCB169 | 0.05~10 | y=0.4831x+0.000119 | 0.994 | 2.45 | 7.34 | PCB170 | 0.05~10 | y=0.4228x+0.000009 | 0.996 | 2.27 | 6.81 | PCB180 | 0.05~10 | y=0.5110x-0.000082 | 0.994 | 2.47 | 7.40 | PCB187 | 0.05~10 | y=0.9182x-0.000414 | 0.996 | 1.21 | 3.64 | PCB189 | 0.05~10 | y=0.3526x+0.000331 | 0.996 | 2.23 | 6.68 | PCB195 | 0.05~10 | y=0.3373x+0.000038 | 0.997 | 2.41 | 7.23 | PCB206 | 0.05~10 | y=0.1916x+0.000197 | 0.993 | 2.91 | 8.73 | PCB209 | 0.05~10 | y=0.2541x+0.001522 | 0.994 | 2.92 | 8.75 |
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