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Canadian Society of Forensic Science Journal Volume 27, 1994 - Issue 3
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Original Articles

Precision of Glass Refractive Index Measurements: Temperature Variation and Double Variation Methods, and the Value of Dispersion

A.R. CassistaForensic Laboratory Winnipeg, Royal Canadian Mounted Police, 621 Academy Road, Winnipeg, Manitoba, CanadaR3N 0E7.
&
P.M.L. SandercockForensic Laboratory Winnipeg, Royal Canadian Mounted Police, 621 Academy Road, Winnipeg, Manitoba, CanadaR3N 0E7.
Pages 203-208 | Published online: 22 Nov 2013

REFERENCES

  • Dixon, B.M. Use of the Mettler FP2 for Refractive Index Determinations. Canadian Society of Forensic Science Journal 1970; 3: 28–31.
  • Ojena, S.M. and Deforest, P.R. Precise Refractive Index Determinations by the Immersion Method, Using Phase Contrast Microscopy and the Mettler Hot Stage. Journal of the Forensic Science Society 1972; 12: 315–329.
  • Dabbs, M.D.G. and Pearson, E.F. The Variation in Refractive Index and Density Across Two Sheets of Window Glass. Journal of the Forensic Science Society 1970; 10: 139–148.
  • Locke, J. The Use of Interference Filters in Refractive Index Measurements. Forensic Science International 1983; 22: 57–62.
  • J. Locke and M. Underhill. Automatic Refractive Index Measurement of Glass Particles. Forensic Science International 1985; 27: 247–260.
  • S.M. Ojena and P.R. Deforest. A Study of Refractive Index Variations Within and Between Sealed Beam Headlights Using a Precise Method. Journal of the Forensic Science Society 1972; 17: 409–425.
  • Andrasko, J. and Maehly, A.C. The Discrimination Between Samples of Window Glass by Combining Physical and Chemical Techniques. Journal of Forensic Sciences 1978; 23: 250–262.
  • Emmons, R.C. The Double Dispersion Method of Mineral Determination. American Mineralogist 1929; 13: 504–514.
  • McCrone, W.C. and Delly, J.G. The Particle Atlas, Volume I, Second Edition. Ann Arbor, MI: Ann Arbor Science 1973; 77.
  • McCrone, W.C. Collaborative Study of the Microscopical Characterization of Glass Fragments. Journal of the AOAC 1973; 56: 1223–1226.
  • McCrone, W.C. and Delly, J.G. The Particle Atlas, Volume I, Second Edition. Ann Arbor, MI: Ann Arbor Science 1973; 5.
  • Slater, D.P. and Fong, W. Density, Refractive Index and Dispersion in the Examination of Glass: Their Relative Worth as Proof. Journal of Forensic Sciences 1982; 27: 474–483.
  • Locke, J., Underhill, M., Russell, P., Cox, P. and Perryman, A.C. The Evidential Value of Dispersion in the Examination of Glass. Forensic Science International 1986; 32: 219–227.
  • Maloney, F.J.T. Glass in the Modern World. Garden City, NY: Doubleday 1968; 38–39.
  • Collaborative Testing Services. Glass Analysis Report No. 91–16. Herdon, VA: Collaborative Testing Services Inc. 1991.
  • Thornton, J.I. The Use of k Values in the Interpretation of Glass Density and Refractive Index Data. Journal of Forensic Sciences 1989; 34: 1323–1328.
  • Locke, J. Improvements in the Use of Silicone Oils for the Determination of Glass Refractive Indices. Journal of the Forensic Science Society 1982; 22: 257–262.
  • Stone, D. A. and Thornton, J.I. Glass Evidence, In: Imwinkelried, E.J., Editor, Scientific and Expert Evidence, Second Edition, New York, NY: Practising Law Institute; 263.
  • Koons, R.D. Discussion of “The Use of k Values in the Interpretation of Glass Density and Refractive Index Data”, Letters to the Editor. Journal of Forensic Sciences 1990; 35: 1261–1263.

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