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, 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


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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