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Pesticide analysis. Gas-chromatograph coupled with a mass spectrometer. Step1. Extraction of contaminants. Chromatogram of a pesticide analysis. Step 4. Analysis. Step 2. Purification. Step 3. Concentration. SPE system.
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Pesticide analysis Gas-chromatograph coupled with a mass spectrometer Step1. Extraction of contaminants Chromatogram of a pesticide analysis Step 4. Analysis Step 2. Purification Step 3. Concentration SPE system