shvoc_11air - APPENDIX FOR PROJECT#3 ANALYSIS OF VOLATILE...

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APPENDIX FOR PROJECT #3 ANALYSIS OF VOLATILE ORGANIC COMPOUNDS IN GASEOUS SAMPLES USING GAS CHROMATOGRAPHY (GC) Name: _________________________ Date of Experiment: _________________________ Group Members : Group 1: ______________ Group 2: _____________ Group 3: ______________ ______________ _____________ ______________ ______________ _____________ ______________ APPARATUS 1. Draw and label the gas sample collection device. 2. Draw and label the contents of the gas sorption tube.
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DATA General Parameters Volume of Gasoline Added to Gas Sample Collection Device ml Surface Area of Gasoline Exposed to Air cm 2 Date/Time Vacuum Pump Set On Date/Time Vacuum Pump Turned Off Time Vacuum Pump On minutes Vacuum Pump Flow Rate ml/min Volume of Air Pumped through Sorption Tubes ml Temperature o C DATA ANALYSIS 1. a. Determine the mass of o-xylene added to each calibration tube, determine the time that the o-xylene shows up on the controls, and record the height and area of the o-xylene peaks. Tube I.D. Sample Type Mass o- xylene added (ug) Time of Peak (min) Height of Peak (uV) Area of Peak (uV s) #1, 5 ul of 0.004 mg/ml Calibration Standard #2, 5 ul of 0.16 mg/ml Control #3, 5 ul of 0.4 mg/ml Calibration Standard b.
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