Equipment and Materials

  1. Glass slides, 25 × 75 mm, with etched portion for labeling; 1 slide for each blended food sample (10-1 dilution)
  2. Wire loop, 3-4 mm, platinum-iridium or nichrome, B&S gauge No. 24 or 26
  3. Gram stain reagents (R32)
  4. Microscope, with oil immersion objective lens (95-100×) and 10× ocular
  5. Immersion oil
  6. Methanol
  7. Xylene