gas chromatography Appendices

gas chromatography Appendices - (1.15 cm 2 + 3.48cm 2 )...

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Appendix I: Results from Gas Chromatography Retention time (min) of peak = Distance from injection point (cm) Chart speed (cm/min) Air peak : 0.45 cm = 0.18 min 2.5 cm/min Acetone peak : 1.65 cm = 0.66 min 2.5 cm/min Olefin peak 1 : 2.25 cm = 0.9 min 2.5 cm/min Olefin peak 2 : 2.55 cm = 1.02 min 2.5 cm/min Area of olefin peak (cm 2 ) = Peak height (cm) x Peak width at half its height (cm) Olefin peak 1 : (4.6 cm) x (0.25 cm) = 1.15 cm 2 Olefin peak 2 : (11.6 cm) x (0.3 cm) = 3.48 cm 2 Ratio of peak 2 to peak 1 = Peak 2 area (cm 2 ) / Peak 1 area (cm 2 ) 3.48 cm 2 = 3 : 1 1.15 cm 2 % of product formed = Peak area (cm 2 ) x 100% (Peak 1 area (cm 2 ) + peak 2 area (cm 2 )) Olefin peak 1 : 1.15 cm 2 x 100 = 24.84% (1.15 cm 2 + 3.48 cm 2 ) Olefin peak 2 : 3.48 cm 2 x 100 = 75.16%
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Unformatted text preview: (1.15 cm 2 + 3.48cm 2 ) Number of theoretical plates (n) = 16 x (d (min) / w (min) ) 2 Olefin peak 1 : 16 x [0.9 min / (0.5 cm / 2.5 cm/min)] 2 = 324 Olefin peak 2 : 16 x [1.02 min / (0.6 cm / 2.5 cm/min)] 2 = 289 Appendix II: Recorder Paper Appendix III: Tests for Unsaturation Test Tube Sample in tube Unsaturation Test Observation after 2-3 drops Tube 1 2-methylcyclohexanol Bromine Test Light yellow-orange solution Tube 2 Cycloalkene Bromine Test Clear Tube 3 2-methylcyclohexanol Baeyer Test Light purple solution Tube 4 Cycloalkene Baeyer Test Brown precipitate Appendix IV: Dehydration of 2-Methylcyclohexanol Appendix V: Test for Unsaturation Appendix VI : Test for Unsaturation...
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gas chromatography Appendices - (1.15 cm 2 + 3.48cm 2 )...

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