Rapid determination of 57 pesticide residues in tobacco leaves by LC-MS/MS

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作者：

Guizhou Provincial Tobacco Quality Supervision and Test Station, Guiyang 550025, China ^{[1
]}

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来源：

Acta Tabacaria Sin. | 2013年 / 2卷 / 12-16期

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D O I：

10.3969/j.issn.1004-5708.2013.02.003

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摘要：

QuEChERS extraction and LC-MS/MS approach for the determination of 57 pesticide residues in tobacco leaves was developed. Pesticide residues in tobacco samples were extracted and purified by QuEChERS kits and separated by 3.5 μm column, followed by MRM (multiple reaction monitoring) test, and quantified by matrix-matched standard calibration. Results showed that the linear range was from 0.0003 to 0.5 mg/L. LOQ were 0.006-0.169 mg/kg (S/N=10), while average recovery rate ranged from 65.2% to 103.8% with relative standard deviations (RSD) from 1.9% to 8.6%.

引用

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