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During the quantitative analysis of methamphetamine using gas chromatography with standard addition calibration, the following calibration curve was created. Please calculate the concentration of the

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  1. During the quantitative analysis of methamphetamine using gas chromatography with standard addition calibration, the following calibration curve was created. Please calculate the concentration of the sample.
Standard Addition Calibration 100000 80000 y = 239.66x + 30058 R2 = 1 60000 Response 40000 20000 -200.0 -150.0 -100.0 150.0 200.0 250.0 -50.0 0.0 50.0 100.0 -20000 Concentration (ppb)

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