The Extraction of Pesticides from Black Tea
As consumers grow more aware of the pesticides in their food, the need for efficient and automated extraction methods for pesticides analysis continues to grow. The typical method used for the extraction of pesticides from food is the QuEChERS method, but the use of this method has many drawbacks, including the weighing of salts, multiple sample transfers, and waste generation. The EDGE®, an automated extraction system, improves upon the QuEChERS method for extraction by eliminating the need for sample transfers and minimizing the use of salts or sorbents. In this application note, the EDGE was used to extract pesticides from black tea, resulting in acceptable recoveries of 80-120% and acceptable reproducibility with RSD values less than 20%. The EDGE is an ideal choice for food laboratories looking to automate their workflow.
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