[Case Study] Residual Pesticide Analysis in Baby Food Using High-Resolution GC-MS

Achieving high selectivity and high sensitivity for accurate quantitative analysis of pesticide residues in food.

The Thermo Scientific Orbitrap Exploris GC mass spectrometer demonstrates excellent performance in pesticide analysis in baby food. This system provides high selectivity and sensitivity with mass resolutions set at 30,000 and 60,000, accurately detecting low concentrations of pesticides from complex sample matrices. The QuEChERS method using citrate buffer was employed for sample preparation. This technical document presents the performance evaluation results of linearity, sensitivity, mass accuracy, and ion ratios for 18 types of pesticides in baby food extracts. All pesticides were detected and identified at the lowest standard concentration of 0.005 mg/kg, with mass accuracy showing high reliability within 1.5 ppm across all concentration levels. 【Features】 ■ Accurate mass measurement at high resolution ■ High selectivity and sensitivity even in complex sample matrices ■ Easy data acquisition and analysis using Thermo Scientific Chromeleon chromatography data system (CDS) software ■ Good linearity with a coefficient of determination of over 0.99 ■ Mass accuracy within 1.5 ppm across all concentration levels

For details on the high-resolution precision mass GC-MS, click here.

basic information

【System Configuration】 Thermo Scientific TriPlus RSH SMART Autosampler Thermo Scientific TRACE 1610 GC Thermo Scientific Orbitrap Exploris GC Mass Spectrometer Thermo Scientific Chromeleon version 7.3.2 Chromatography Data System (CDS) Software