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Robust Solid Phase Extraction of Pesticides from Small or Limited Volume Environmental Samples

The constant monitoring of pesticides is imperative due to their potential environmental harm. These chemicals, including insecticides, fungicides, bactericides, herbicides, and rodenticides, are specifically formulated to disrupt the normal activities of pests and weeds, causing harm. However, the residual presence of these pesticides can lead to long-term pollution of the air, water, and soil, posing a persistent threat to the balance of ecosystems.


Organochlorine pesticides (OCPs) are one of the most extensively used pesticides. They are man-made chlorinated hydrocarbon derivatives extensively used in global agriculture [1]. Their use has been banned or greatly reduced in the last decades. OCPs present significant risks to human health and the environment due to their toxicity. The widespread environmental contamination caused by organochlorine pesticides (OCPs) remains a pressing global concern issue. Given their persistence and potential harm, it is crucial to conduct precise monitoring of OCP levels in soil, sediment, and water. Organochlorine pesticides          

Complex matrices hinder chromatography-based detection and quantification of OCPs in environmental samples. These can foul columns and tubing and create baseline noise. To address this issue, solid-phase extraction (SPE) is commonly used to clean up environmental samples before introducing them into chromatography systems. However, there is a lack of SPE techniques for extracting OCPs from small quantities of environmental samples.


We have developed a reliable SPE method for extracting and detecting 15 OCPs from small quantities of soil (100 mg) and river water (200 µL) samples, using our novel all-carbon reverse phase media packed in SPE columns.


The benefits of our method include:

•  Optimized method for sample preparation using SPE to detect 15 OCPs.

•  Simplified sample preparation for streamlined workflows.

•  Cleaner separations and improved detection limits for accurate OCP quantification.

•  Increased sensitivity in your environmental monitoring data.

•  Suitable for limited or small quantities of environmental samples.

•  Easy adaption for field testing of environmental samples.


This method is beneficial to:

•  Environmental scientists

•  Regulatory compliance professionals

•  Anyone concerned about OCP contamination


Download our one page application note here. Our accompanying white paper that elaborates on the specific methodology can be found here.


Please get in touch with us to discuss how we can support your solid phase extraction and chromatography needs for the analysis of pesticides and other analytes. Please email us at inquiry@millennialscientific.com, call us at 855 388 2800 or fill in our online form.

 

References

 

[1] R. Jayaraj, P. Megha, P. Sreedev, Organochlorine pesticides, their toxic effects on living organisms and their fate in the environment, Interdiscip Toxicol 9(3-4) (2016) 90-100.

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