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Methods for Detecting and Measuring Toxic Chemicals
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Which of the following is a widely used method for detecting and measuring organic pollutants in environmental samples?
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A
Gas chromatography-mass spectrometry (GC-MS)
💡 Explanation:
GC-MS is a powerful analytical technique that combines the separation capabilities of gas chromatography with the identification capabilities of mass spectrometry. It is commonly used to analyze complex mixtures of organic compounds, including pesticides, dioxins, and polycyclic aromatic hydrocarbons (PAHs).