Jove Lab Chem

Lab 62: Identification of Unknown Aldehydes and Ketones — Materials List

Preparation for 10 Students

• Lab stand
  5
• Small 3-prong clamp
  5
• Stirring hotplate
  5
• Vacuum tubing
  5
• Test tube rack
  5
• Test tube tongs
  5
• 600-mL glass beaker
  5
• 250-mL glass beaker
  20
• 150-mL glass beaker
  5
• 50-mL glass beaker
  25
• 10-mL glass graduated cylinder
  15
• 5-mL glass graduated cylinder
  25
• 250-mL filter flask
  5
• Büchner funnel with rubber filter adapter
  5
• 60-mm watch glass
  20
• Glass stirring rod
  5
• Thermometer with beaker clip
  5
• Pasteur pipette bulb
  15
• Package of pH paper
  5
• Labeling tape with pen
  5
• 250-mL wash bottle of water
  5
• Melting point capillary
  20
• Glass test tube (10 x 75 mm)
  80
• 2,4-dinitrophenylhydrazine [DNPH] (33-35% H2O)
  5 g
• Phosphoric acid (85%)
  100 mL
• Silver nitrate
  1 g
• 3 M Sodium hydroxide
  100 mL
• 2 M Ammonia
  10 mL
• Potassium iodide
  100 g
• Iodine
  50 g
• Conc. nitric acid (70 wt%)
  50 mL
• 12.1 M Hydrochloric acid
  50 mL
• 1,2-dimethoxyethane
  75 mL
• Butanone
  50 mL
• Benzaldehyde
  50 mL
• Acetophenone
  20 mL
• Butanal
  20 mL
• 3-methyl-2-butanone
  20 mL
• Pentanal
  20 mL
• 2-pentanone
  20 mL
• 3-pentanone
  20 mL
• Ethanol (100%)
  100 mL
• 100-mL glass graduated cylinder
  1
• 50-mL glass graduated cylinder
  2
• 10-mL glass graduated cylinder
  11
• 250-mL glass beaker
  2
• 50-mL glass beaker
  1
• Small glass vial with solvent-resistant cap
  20
• 25-mL brown glass bottle with base-resistant cap
  1
• 200-mL glass bottle with halogen-resistant cap
  1
• 100-mL glass bottle with acid-resistant cap
  1
• Glass funnel
  3
• Medium stir bar
  2
• Filter paper
  30
• Analytical balance
  1
• Weighing boats
  5
• Test tube brush
  5
• Aluminum foil
  1 roll
• Pasteur pipettes
  Dependent on lab size
• 250-mL plastic wash bottle with acetone
  Dependent on lab size
• Lab wipes
  Dependent on lab size
• Melting point analyzer (at least 1)
  Dependent on lab size
• Deionized water
  Dependent on lab size