Multi-Residue Pesticide Analyses - Microchem
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Pesticide Analyses

Multi-Residue Pesticide Analyses

In response to developments in multi-residue level (MRL) pesticide analysis and consumer concern about the levels of pesticides in food, we have expanded our testing abilities in multi-residue pesticide analyses and invested in the latest technology for pesticide analyses. Microchem now offers pesticide residue analyses to South African fresh fruits bound for the export markets. We provide a high-quality professional service with quick result turnaround times.

Microchem uses the “QuEChERS” multi-residue analyses (MRAs). The “QuEChERS” MRA is a relatively new method developed by the USDA. It can detect many of the newer pesticides.
Using this cutting edge technology we are able to identify and quantify a range of pesticide residues in fresh produce at parts per billion levels. Our method covers a wide range of pesticide classes, including many compounds and metabolites that traditionally have had to be analysed using separate targeted techniques in order to achieve the required level of detection.
Microchem has formed a cooperative working relationship with a leading European Pesticide testing laboratory. The European laboratory has more than 30 years experience in chromatography and mass spectrometry to provide a pesticide analytical service to clients. Microchem has also sent their pesticide experts to Europe for pesticide training.

Microchem also participates in proficiency testing programs including FAPAS. Participation in these proficiency testing programs is a requirement of our ISO/IEC 17025 accreditation and serves as an external quality measure of laboratory accuracy.

Microchem adheres to strict quality procedures to ensure accurate results. These include well-defined areas where maximum safety and minimum chance of contamination of samples prevail. Correct handling and storage procedures are in place to ensure that the integrity of the sample is maintained. We also make extensive use of matrix-matched standards, necessary sample clean- up procedures as well as spiked quality control samples for every batch of samples to ensure consistent results.

We are pleased to announce that Microchem has obtained SANAS Accreditation for Pesticide Residue Analyses.  Microchem is SANAS Accredited for the following fruit matrices:

  • Pome Fruits
  • Stone Fruits
  • Table Grapes
  • Citrus

SANAS Accredited Target MRL’s List.


SANAS Accredited Single MRL List.

* The reporting limit indicated may vary for a particular commodity

* The reporting limit indicated may vary for a particular commodity

Additional pesticides that can be screened.

Additional pesticides that can be screened