01892nam a2200205 4500001000700000100004100007101000800048200009300056210005600149215002100205225007300226330121000299606003001509606003401539606002701573606002901600606001901629606002001648700001801668383803 a20060619d1951 y0pory50 ba aeng aDensity and refractive indexetheir application in criminal identificationfPaul L. Kirk aSpringfield, IllinoiscCharles C. Thomasdcop. 1951 avi, 80 p.d22 cm aAmerican Lecture Seriesv112. American Lectures In Public Protection aI. Introduction. II. Physical properties. III. General applications of density and refractive index measurements. Density. Density and specific gravity. Constancy of density. IV. Comparative density measurements. Gradient method. Establishing the gradient. Interpretation of gradient tube results. Calibrating the gradient tube (Standard bead method). Calibration by means of refractive index. Recovery of suspended materials. Recovery of gradient after use. Flotation balancing method. Absolute balancing method. Direct displacement method. Tube preparation. Calibration. procedure. Density of liquids. Measurement of liquid densities. Determination of density of gradient liquids. V. Refractive Index. Absolute measurement of refractive index of solids. Liquid standards. Comparative determination of refractive index. VI. Identification of glass fragments. Identification methods. Density. Refractive index of glass. VII . Comparison of soils for identity. Technique of comparison. Preparation of soil. Miscellaneous mineral materials. VIII. Identification of hair and miscellaneous materials. Density of hair. Miscellaneous materials. References. General and technical. Glass. Soils. Hairs and fibers. aINVESTIGAÇÃO CRIMINAL aIDENTIFICAÇÃO DE OBJECTOS aANÁLISE LABORATORIAL aANÁLISE DE VESTÍGIOS aEXAME AO VIDRO aEXAME DE FIBRAS aKIRKbPaul L.