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Detection of Pesticide Residues in Honey by Modified QuEChERS Extraction

Application Introduction

Dispersive sample preparation, referred as “QuEChERS”, is a simple and straightforward sample extraction technique. It can be used for multi-residue pesticide analysis in a wide variety of food and agricultural products.

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Introduction

Dispersive sample preparation, referred as “QuEChERS”, is a simple and straightforward sample extraction technique. It can be used for multi-residue pesticide analysis in a wide variety of food and agricultural products. Bonna-Agela’s MAS-Q is a well proven, high throughput method. After study of more than 60 of the fruit, vegetable samples (contain 27 of different sample matrix) and honey samples, the recoveries are very well proved for both Bonna-Agela’s high quality SPE sorbents and MAS-Q method.

Table 1 Analytes

Table 2 Tolerance Level in Honey

Experimental

Figure 1 Old Luke Extraction Procedure of Honey

Figure 2 New QuEChERS Extraction Procedure of Honey

Results and Discussion

Figure 3 Recoveries by PFPD and MSD

Figure 4 Recoveries by LC/MS/TOF

Conclusion

Table 3 Advantages of QuEChERS Method

  • Cleanert SLE Products

    Cleanert SLE (Supported Liquid Extraction) plates and cartridges contain a high quality modified diatomaceous earth with an ideal surface with large specific area and low activity. Cleanert SLE plates and cartridges are used to extract analytes from bio-analytical, clinical, forensic, environmental and agrochemical samples, it even can replace most of the Liquid/Liquid extraction (LLE).

  • Venusil ASB Series Columns (C1, C8, C18 and phenyl)

    The Venusil ASB series columns are specially designed for the separation of polar compounds under low (extremely stable at pH=0.8) to medium pH condition. The stationary phase is bonded with unique bulky silanes that sterically protect the siloxane bond. We offer a line of bonding chemistry of C1, C8, C18 or Phenyl groups presenting a broad selection of different polarity for various applications.

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