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
郝琳瑶, 步小敏, 牟臻, 浦伟, 王鑫, 付晓丽

Determination of 28 kinds of polychlorinated biphenyls in snow based on gas chromatography-quadrupole tandem time-of-flight mass spectrometry
Linyao HAO, Xiaomin BU, Zhen MU, Wei PU, Xin WANG, Xiaoli FU
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
Table 2 Linearrange, regression equation, correlation coefficients (r), limits of detection (LODs) and limits of quantitation (LOQs) of the 28 PCBs
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
PCB80.05~10y=2.7556x-0.0009410.9971.354.04
PCB180.05~10y=1.5747x-0.0007210.9991.474.41
PCB280.05~10y=1.8056x+0.0001020.9951.153.45
PCB440.05~10y=1.0643x-0.0004070.9971.334.00
PCB520.05~10y=1.2568x-0.0003020.9961.333.98
PCB660.05~10y=1.2814x+0.0000010.9952.146.41
PCB770.05~10y=0.9433x-0.0000440.9941.113.33
PCB810.05~10y=0.8777x-0.0007390.9961.995.98
PCB1010.05~10y=0.8170x-0.0002730.9952.347.03
PCB1050.05~10y=0.6669x-0.0005500.9951.895.67
PCB1140.05~10y=0.7190x-0.0002450.9961.083.25
PCB1180.05~10y=0.7100x-0.0000150.9961.153.45
PCB1230.05~10y=0.7321x-0.0000520.9951.043.13
PCB1260.05~10y=1.0730x-0.0006490.9951.093.26
PCB1280.05~10y=0.8469x+0.0000780.9941.013.04
PCB1380.05~10y=1.1128x-0.0005060.9972.357.04
PCB1530.05~10y=0.5086x-0.0003580.9961.023.05
PCB1560.05~10y=0.8552x-0.0005060.9951.534.60
PCB1570.05~10y=0.8804x-0.0005530.9962.357.05
PCB1670.05~10y=0.9421x-0.0005450.9942.306.91
PCB1690.05~10y=0.4831x+0.0001190.9942.457.34
PCB1700.05~10y=0.4228x+0.0000090.9962.276.81
PCB1800.05~10y=0.5110x-0.0000820.9942.477.40
PCB1870.05~10y=0.9182x-0.0004140.9961.213.64
PCB1890.05~10y=0.3526x+0.0003310.9962.236.68
PCB1950.05~10y=0.3373x+0.0000380.9972.417.23
PCB2060.05~10y=0.1916x+0.0001970.9932.918.73
PCB2090.05~10y=0.2541x+0.0015220.9942.928.75