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建立了水系模拟物中11种工业用抗氧化剂的超高效液相色谱-串联质谱检测方法.水系模拟物经ProE lutPLS固相萃取柱浓缩富集,采用ACQUITY UPLCTM BEH C18超高效液相色谱柱(100 mm×2.1 mm,1.7 μm)分离,水和乙腈作为流动相进行梯度洗脱,电喷雾离子源电离,负离子多反应监测模式下进行监测,外标法定量.11种化合物在5.0~ 100 μg/L范围内呈良好线性关系,相关系数r> 0.995,方法检出限为0.2~1.0μg/L,定量限为0.5~3.0 μg/L.5.0、10.0和20.0μg/L添加水平下的加标回收率为61.4%~ 109.4%,RSD为3.9%~18.2%(n=6).该方法操作简单、稳定、可靠,可以满足水系模拟物中11种抗氧化剂的定性确证和定量检测.

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