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Illustrated Guide to Home Forensic Science Experiments by Barbara Fritchman Thompson, Robert Bruce Thompson

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Chapter 7. Lab I-5 Examine the Spectroscopic Characteristics of Soil

Equipment and Materials

You’ll need the following items to complete this lab session. (The standard kit for this book, available from http://www.thehomescientist.com, includes the items listed in the first group.)

Materials from Kit

  • Goggles

  • Hydrochloric acid

  • Inoculating loop

  • Pipettes

  • Spatula

  • Spot plate

  • Exemplar: spectroscopic soil specimen

Materials you Provide

  • Gloves

  • Burner, gas (see text)

  • Digital voice recorder (optional)

  • Spectrometer (Project Star or similar)

  • Toothpicks, plastic

  • Water, distilled or deionized

  • Specimens: soil, known and questioned

Warning

Hydrochloric acid is corrosive and emits strong fumes. The spectroscopic soil specimen supplied with the kit may contain toxic heavy metals. ...

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