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Polychlorinated biphenyls (PCBs) are major environmental pollutants. Which of the following detectors would be most sensitive for GC analysis of PCBs? (24-8) Group of answer choices flame photometric (FPD) electron capture (ECD) flame ionization (FID) thermal conductivity (TCD) nitrogen-phosphorus (NPD)
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Which polymers are most closely related? a. protein and nucleic acids b. cellulose and starch c. nucleic acids and starch d. nucleic acids and cellulose
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Polychlorinated biphenyls (PCBs) are major environmental pollutants. Which of the following detector...
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