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Pesticide Presentation
1. Qualitative Determination of Pesticides in a Roma Tomato, Iceberg Lettuce, and a Macintosh Apple Karen Sanders Chemistry 481 12/4/08 1
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5. Varian Saturn 3800-2000 GC-MS Parameters for Restek Standard and Roma Tomato Separation Split-less Mode: 30 m x 0.25 mm ID, 0.25 um Column Size: 5 minutes Solvent Delay: 270 °C Injector Port Temp: 275°C Oven Temp: increasing to 265 °C at 10 °C/min, and holding for 10 min. 80 °C for 1 minute, increasing to 240 °C at 10 °C/min, Column Temp: 5% Phenyl-95% polydimethylsiloxane Stationary Phase: 1.8 ml/min Flow Rate: 1 mL Volume Injected: Helium Carrier Gas:
6. Restek Standard of Organochlorine Pesticide Mix AB#2: Chromatogram 18/20 Pesticides Found
7. Roma Tomato Kroger Brand Originated from California, U.S.A. Unwashed prior to analysis
12. Iceberg Lettuce Ocean Mist Brand Originated from the Ocean Mist Farms in California, U.S.A Unwashed prior to analysis
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14. Varian Saturn 2000 GC-MS Parameters for Iceberg Lettuce Separation Split Mode: 50 minutes Total Time of Run 10 minutes Solvent Delay: 270 °C Injector Port Temp: 275°C Oven Temp: increasing to 265 °C at 10 °C/min, and holding for 10 min. 80 °C for 1 minute, increasing to 240 °C at 10 °C/min, Column Temp: 2 mL Injection Volume 1.8 ml/min Flow Rate: Helium Carrier Gas:
17. Macintosh Apple Apple Ridge Brand Macintosh Apple Originated from Jack Brown Produce in Sparta, MI U.S.A. Unwashed before analysis
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19. Varian Saturn 2000 GC-MS Parameters for Macintosh Apple Separation Split Mode: 30 minutes Total Time of Run 10 minutes Solvent Delay: 270 °C Injector Port Temp: 275°C Oven Temp: increasing to 265 °C at 10 °C/min, and holding for 10 min. 80 °C for 1 minute, increasing to 240 °C at 10 °C/min, Column Temp: 3 mL Injected Volume: 1.8 ml/min Flow Rate: Helium Carrier Gas:
![Varian Saturn 3800-2200 GC/MS ,[object Object],2](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)