Thermo Scientific™ QuEChERS Original 2003 Method Extraction Kits make sample preparation straight-forward and efficient. With our QuEChERS kits, you can confidently perform extractions and analyze fruit and vegetable samples for pesticide residues and other contaminants.

Three different extraction kit types are available to support the Original 2003 QuEChERS Method.

• Extraction Salts in Pouches, no Tubes – for 10 g or 15 g samples
• Extraction Salts in Pouches with 50 mL Tubes – for 10 g or 15 g samples
• Extraction Salts in Pouches with 50 mL Tubes and Ceramic Homogenizers – for 10 g or 15 g samples

What is the purpose of the chemicals used in the Original 2003 Method?

• Acetonitrile: used to perform single-phase extraction on a sample
• Anhydrous MgSO4: induces phase separation between water content in sample and acetonitrile layer during liquid-liquid partitioning step; removes remaining water from sample during dispersive solid phase extraction (dSPE) step
• NaCl: induces phase separation between water content in sample and acetonitrile layer during liquid-liquid partitioning step; removes residual water from sample; reduces polar interference and enhances extraction
• PSA: primary secondary amine, used to remove polar matrix components, citric co-extractives, and free fatty acids, from sample during dispersive solid phase extraction (dSPE) step