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  • All fields: artifacts
(33 results)



Display: 20

    • Page 14

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    • 10 CHAPTER THREE: RESULTS Gas Chromatography/Mass Spectrophotometry (GC/MS) GC analysis was performed on multiple samples (n=11), collected and analyzed from February to April 2009, produced very similar gas chromatograms as shown in Figures 2-3....
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    • 11 Figure 3: TIC chromatogram of methamphetamine extracts Septum Artifacts Methamphetamine DMS
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    • 13 community to display children’s work, bringing children’s artifacts from home to display at school, and sharing photographs outside the classroom (Feiler et al., 2008). In conjunction with the U.S. Department of Education’s (USDOE)...
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    • 21 CHAPTER FOUR: DISCUSSION AND CONCLUSIONS Methamphetamine Impurities The hypothesis, that a distinct pattern of impurities present in illicit methamphetamine specimens could be characterized by GC/MS, was supported during this research, despite...
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    • 22 in methamphetamine synthesized by hydriodic acid/red phosphorous (Puthaviriyakorn, 2002). In addition, naphthalene (found around 232 m/z) was not detected in this study. GC/MS and Methamphetamine Artifacts Though the methamphetamine samples...
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    • 23 methamphetamine, which, facilitates the elimination of an amine or the formation of amphetamine. Because injector temperature was above 200 ºC (Figure 12), chemical derivatization was not performed on the samples, and methamphetamine samples...
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    • 24 Future Directions To minimize the possibility of artifacts it is recommended that illicit methamphetamine samples should be derivatized using 4-carbethoxyhexafluorobutyryl chloride (CB), heptafluorobutyric anhydride (HFBA or...
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    • 25 CHAPTER FIVE: LITERATURE CITED A.C. Allen, Methamphetamine from Ephedrine I, Chloroephedrines and aziridines. J. Forensic Sci., 32 (1987) 953-962. C.F.R., 21 C.F.R. Part 111, (Retrieved March 21, 2009), Dietary Supplements Containing Ephedrine...
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    • 54 Chapter 4 Image Editing and Preparation supported, and even some software which does support them (such as some versions of Internet Explorer) only displays the image once it has been completely downloaded. The JPEG format has two very distinct...
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    • Apologia, Antapologia and Political Power 2 these factors could greatly affect the apologetic situation and merit further analysis into their potential effects of the apology. While an in-depth look is warranted at the various factors that...
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    • Apologia, Antapologia and Political Power 35 landed him in jail. Downey chose to revamp his life and, in a recent interview, discusses how he moves forward while forgetting the past: “I think of myself as someone who has no desire, use for or...
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    • Apologia, Antapologia and Political Power 36 from the original accusation to the confession. Along with the multiple interviews and press briefings, Senator Larry Craig’s apologia will be analyzed using transcripts from his August 28, 2007 press...
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    • iGRIEVE 18 for people to express grief and condolences to the deceased. Sanderson and Cheong (2007), in a study on collective bereavement and religious discourse within the context of social media, found that “social media is facilitating...
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    • iGRIEVE 20 to the past. Like most contexts of memory, the artifacts are understood to be “real and thus reliable markers of the past” (Dickinson, Ott, & Aoki, 2005, p. 89). While the artifacts are markers of the past, the question persists: Are...

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