Using SPE to Concentrate Trace Contaminants in Environmental Samples
Environmental Contaminants Monitored at Trace Levels Environmental monitoring programs routinely target contaminants at part-per-billion (ppb) and part-per-trillion (ppt) concentrations. These trace-level pollutants include pesticides (triazines, organophosphates, carbamates), pharmaceuticals, industrial chemicals (PCBs, PAHs, phenols), endocrine disruptors, and heavy metals. The challenge for analytical chemists is that these compounds exist at concentrations far below the detection limits […]
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