000 02949nam a2200277 4500
001 390947
090 _a390947
100 _a20120521d2012 y0pory50 ba
101 _aeng
200 _aApplication of laser-induced breakdown spectroscopy to forensic science
_bRecurso eletrónico
_eanalysis of paint samples
_fMichael E. Sigman, Erin M. McIntee, Candice Bridge
210 _a[Orlando, FL]
_ced. do a.
_d2012
215 _a1 CD-ROM
_d12 cm
300 _aResearch report submitted to the U.S. Department of Justice - Award ner. 2006-DN-BX-K251. Ficheiro de 1,22 MB em formato PDF (84 p.). Disponível também em. https://www.ncjrs.gov/pdffiles1/nij/grants/237839.pdf. Acedido a 21 de maio de 2012.
330 _aExecutive summary. I. Introduction. I.1 Statement of problem. I.2 Literature citations and review. I.2.1 Forensic paint analysis. I.2.2 Laser-induced breakdown spectroscopy (LIBS). II Methods. II.1 Data analysis methods. II.1.1 Multivariate Analysis of Variance (MANOVA). II.1.2 Full spectral comparisons. II.1.2.1 Parametric approaches. II.1.2.1.1 Pearson Correlation Spectral Comparison. II.1.2.1.2 Hit Quality Index (HQI). II.1.2.1.3 Distribution issues: II.1.2.2 Nonparametric approaches. II.1.2.2.1 Nonparametric permutation. II.1.2.2.2 Alternative nonparametric approaches. II.1.2.2.2.1 Spearman Rank Correlation: II.2 Experimental approach. II.2.1 X-ray fluorescence XRF. II.2.2 Laser ablation – Inductively coupled plasma – mass spectrometry (LA-ICP-MS). II.2.3 Scanning Electron Microscopy – Energy Dispersive Spectroscopy (SEM/EDS). II.2.4 Laser induced breakdown spectroscopy (LIBS). II.3 Samples analyzed. III. Results: III.1 XRF discrimination: III.1.1 ANOVA/Tukey HSD Data Analysis: III.2 SEM/EDS discrimination: III.2.1 ANOVA/Tukey HSD Data Analysis. III.2.2 SEM/EDS full spectra discrimination by student’s t-test/HQI. III.3 Laser Ablation – Inductively Coupled Plasma – Mass Spectrometry (LA-ICP-MS). III.4 LIBS discrimination. III.4.1 Laser Induced Breakdown Spectroscopy Discrimination (MANOVA). III.4.2 Laser Induced Breakdown Spectroscopy Discrimination (t-test). III.4.3 Laser Induced Breakdown Spectroscopy Discrimination (nonparametric permutation test). III.4.3.1 Nonparametric permutation discrimination of glass samples. III.4.3.2 Nonparametric permutation discrimination of paint samples. IV Conclusion: IV.1 Discussion of findings. IV.2 Implications for policy and practice. IV. 3 Implications for further research. V References.VI Dissemination of results.
606 _aANÁLISE DE TINTAS
_9328471
606 _aESPECTROSCOPIA
_9330125
606 _aANÁLISE LABORATORIAL
_9326721
606 _aCIÊNCIA FORENSE
_9321508
700 _aSIGMAN
_bMichael E.
_9356765
701 _aMCINTEE
_bErin M.
_9356766
701 _aBRIDGE
_bCandice
_9356767
955 _xOferta