LAB MANUAL FOR CRIMINALISTICS AN LNTRODUCTION TO FORENSIC SCIENEPDF|Epub|txt|kindle电子书版本网盘下载

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Experiment 1 Practice in Making Laboratory Measurements1

Part A: Density of Rectangular Solids2

Part B: Densities of Cylindrical Solids3

Part C: Densities of Irregularly Shaped Solids4

Part D: Cleanup, Calculations, and Questions4

Experiment 2 Density of Glass by Flotation and Density Gradient Columns7

Part A: Physical Matching8

Part B: Edge Thickness9

Part C: Density Comparison by Flotation9

Part D: Density Comparison by Density Gradient Tubes (Advanced)9

Experiment 3 Practice in the Use of the Microscope19

Part A: The Compound Microscope20

Part B: The Stereoscopic Microscope24

Part C: Comparison of Paint Chips25

Part D: Comparison of Paper Matches26

Experiment 4 Refractive Index (RI) of Glass Fragments31

Part A: The Becke Line Concept33

Part B: Refractive Index of Automotive Glass (Advanced)34

Experiment 5 Soil Analysis39

Part A: Sample Preparation41

Part B: Density Gradient Tube41

Part C: Rate of Settling of Soil Particles42

Experiment 6 Powder Residues on Fabrics51

Part A: Bullet Holes in Fabric52

Part B: Sodium Rhodizonate Test for Lead Residues53

Experiment 7 Blood Identification and Typing57

Part A: Is it Really Blood?59

Part B: Incompatibility Relationships in the ABO System59

Experiment 8 Typing of Dried Bloodstains (Advanced)65

Part A: Typing Dried Bloodstains66

Part B: Blood Test Sensitivity66

Experiment 9 Fingerprinting71

Part A: Making a Latent Fingerprint Visible73

Part B: Lifting a Latent Print75

Part C: Fluorescent Dusting Powder (Advanced)75

Part D: Obtaining an Inked Print75

Part E: Matching Prints76

Experiment 10 Fingerprinting (Advanced)87

Part A: Obtaining Fingerprints from Paper by Means of Ninhydrin88

Part B: The Silver Nitrate Method89

Part C: The Use of Super Glue90

Part D: Enhancement of Super Glue Fingerprints by Dusting and Fluorescence (Advanced)92

Experiment 11 Comparison of Tool Marks and Casting97

Part A: Making a Cast of a Tool Imprint98

Part B: Individual Characteristics of Tool Marks99

Part C: Plaster of Paris Casts of Footprints and Tire Treads99

Part D: Making a Second Cast from a Mold (Advanced)100

Experiment 12 Reproducing Bite Marks107

Experiment 13 Restoring Serial Numbers on Metals111

Experiment 14 Restoring Bloody Shoe Prints117

Part A: Coomassie Blue Processing118

Part B: Leucocrystal Violet Processing119

Experiment 15 Examination of Hair and Textile Fibers by Microscopy123

Part A: General Internal Characteristics125

Part B: Scale Patterns126

Part C: Hair Color126

Part D: Making Cross Sections of Fibers (Advanced)126

Experiment 16 A Qualitative Test for Marijuana135

Part A: Marijuana, Weeds, and Tobacco136

Part B: Possible Coffee Interferences137

Part C: Microscopic Identification137

Experiment 17 Drug Analysis: Microchemical Spot Tests for General Classes143

Experiment 18 Drug Analysis: Microcrystalline Tests153

Experiment 19 Identification of Drugs and Poisons by Infrared Spectroscopy (Advanced)159

Experiment 20 Salicylates in Blood byVisible Spectroscopy165

Part A: Basic Spectrophotometry166

Part B: Salicylates in Blood Serum (Advanced)167

Experiment 21 Salicylates in Blood by Fluorometry (Advanced)171

Experiment 22 Quinine in Urine by Fluorometry (Advanced)177

Experiment 23 Breath Alcohol by the Intoxilyzer181

Experiment 24 Analysis of Blood Alcohol by Gas Chromatography Using a Thermal Conductivity Detector189

Experiment 25 Analysis of Blood Alcohol by Gas-Liquid Chromatography Using a Flame Ionization Detector197

Experiment 26 Analysis of Ink by Paper Chromatography203

Experiment 27 Separation of Ink Dyes Using Thin Layer Chromatography209

Experiment 28 Seminal Stains by Human Prostatic Acid Phosphatase215

Part A: Suspected Stains on Clothing or Bedding216

Part B: Examination of Swabs217

Part C: Vaginal Washings217

Part D: Locating Seminal Stains by Their Phosphorescence (Advanced)217

Experiment 29 Arson Detection: The Recovery of Flammable Liquids221

Part A: Headspace Analysis222

Part B: Vapor Concentration on Charcoal (Advanced)223

Experiment 30 Spot Tests for Explosives and Explosive Residues227

Experiment 31 Metal Residues on Hands from Guns, Knives, and Other Metal Weapons239

Part A: The 8-Hydroxyquinoline Method239

Part B: The Ferrozine Method241

Experiment 32 The Emission Spectrum of Elements245

Part A: Obtaining Flame Emissions246

Part B: The Spectroscope246

Part C: The Emission Spectra of Elements247

Experiment 33 Heavy Metal Poisons by Atomic Absorption Spectroscopy (Advanced)251

Experiment 34 Determination of Blood Spatter Angles of Impact257

Part A: Obtaining Blood Spatters258

Part B: Measuring Angles of Impact259

Experiment 35 Determining the Origin of Blood Spatters265

Experiment 36 Electrophoretic Analysis of Blood for Human Origin (Advanced)271

Experiment 37 Nuclear DNA Extraction277

Part A: Isolation of Chromosomal DNA from E.Coli279

Part B: Isolation of DNA from Vegetable Sources280

Part C: Staining of DNA for Visualization281

Experiment 38 DNA Fingerprinting I: EDVO-Kit #109285

Experiment 39 PCR Amplification of DNA for Fingerprinting: EDVO-Kit #130303

Experiment 40 The Comparison Microscope319

Part A: Comparison of Toolmark Scratches320

Part B: Comparison of Shell Cases and Slugs321

Part C: Photomicrographs322

Experiment 41 Burglaries and Murders: The Final Exam327

Part A: A Bungled Burglary327

Part B: Campsite Crime328

Part C: A Parking Ramp Rumble330

Part D: A Household Homicide331

Part E: A Love Triangle?333

Appendix 1 Glossary335

Appendix 2 The Metric System339