QuEChERS-气相色谱-四极杆飞行时间质谱筛查大米中有机磷阻燃剂残留
李康聪1, 杨吉双2, 李秀琴1, 高燕1, 张庆合1,*(
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Screening of organophosphorus flame retardant residues in rice by QuEChERS-gas chromatography-quadrupole time-of-flight mass spectrometry
LI Kangcong1, YANG Jishuang2, LI Xiuqin1, GAO Yan1, ZHANG Qinghe1,*()
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图2. 不同升温程序下OPFRs的色谱图
Fig. 2. Chromatograms of OPFRs under different temperature programs
a, c. Hold at 60 ℃ for 1 min, increase to 300 ℃ at 20 ℃/min and hold for 10 min; b, d. Hold at 50 ℃ for 1 min, increase to 280 ℃ at 20 ℃/min and hold for 1 min, increase to 300 ℃ at 30 ℃/min and hold for 10 min.
