Show transcribed image text Internal Standard 1. The terpene composition of an essential oil can be determined using gas chromatography-mass spectrometry A 5.00 ml sample of essential oils is spiked with 500.0 uL of 100.0 ppm n-decanę as an internal standard and diluted to the mark in a 10.0 mL volumetric flask. A 10.0 μL portion of the mixture is injected into the GC-MS and the peak areas recorded to determine the concentration of limonene. A series of standards containing n-decanę and limonene were also analyzed by the same method. The following results were obtained ati ak onc 1.0 ppm 5.0 ppm 10.0 ppm 15.0 ppm 20.0 ppm one 540 2,791 5,570 8,112 10,786 5,566 5,570 5,542 5,564 5,558 Essential Oil Unknown 1,055 5,549 Determine the concentration (in ppm) of limonene in the essential oil.
Internal Standard 1. The terpene composition of an essential oil can be determined using gas chromatography-mass spectrometry A 5.00 ml sample of essential oils is spiked with 500.0 uL of 100.0 ppm n-decanę as an internal standard and diluted to the mark in a 10.0 mL volumetric flask. A 10.0 μL portion of the mixture is injected into the GC-MS and the peak areas recorded to determine the concentration of limonene. A series of standards containing n-decanę and limonene were also analyzed by the same method. The following results were obtained ati ak onc 1.0 ppm 5.0 ppm 10.0 ppm 15.0 ppm 20.0 ppm one 540 2,791 5,570 8,112 10,786 5,566 5,570 5,542 5,564 5,558 Essential Oil Unknown 1,055 5,549 Determine the concentration (in ppm) of limonene in the essential oil.
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