Related Experiment Video
Updated: Dec 23, 2025

05:20
Avocado Sample Preparation Using the QuEChERS Method with Ammonium Formate for Pesticide Analysis
Published on: December 8, 2023
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[Pesticide Analysis in Agricultural Products by GC-MS/MS Using STQ Method]
Yoshitsugu Okubo1, Masahiro Yagi1
1Kobe Institute of Health.
Abstract:
As a method to detect pesticide residues in agricultural products, we evaluated the pretreatment of agricultural product samples by the solid-phase extracton technique with QuEChERS (STQ) method followed by GC-MS/MS with large-volume injection using a stomach-type glass-lined injector. This method satisfied the target criteria of recovery (70-120%) and the standard deviation of repeatability (RSD<25%) in 238-282 pesticides found in six types of agricultural products.

