Chapter 13. Lab II-6 Physical and Chemical Tests of Fibers

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

  • Beaker, 250 mL

  • Cylinder, graduated, 100 mL

  • Coverslips

  • Forceps

  • Hydrochloric acid, 6 M

  • Magnifier

  • Pipettes

  • Slides, deep-cavity

  • Slides, flat

  • Sodium dithionite

  • Spatula

  • Stirring rod

  • Test tubes

  • Test tube clamp

  • TIS #1 dye

  • TIS #3A dye

  • Specimens: Fabrics A, B, C, D, and E

  • Specimen: TFI Multifiber Fabric #43

Materials you Provide

  • Gloves

  • Ammonia, household (clear, non-sudsy)

  • Bleach, chlorine laundry

  • Burner, butane lighter, or other flame source

  • Dishwashing detergent (Dawn or similar)

  • Microscope ...

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