Separation Techniques

1
Separation Techniques

• CHM 101 - Sinex

2
Methods based onphysical properties

• Particles size
• Solubility
• Insoluble/soluble
• Degree of solubility
• Density
• Magnetic (iron) vs. non-magnetic
• Sublimation (solid ? gas)

3
Techniques

• Decantation
• Filtration
• Sublimation
• Paper chromatography and other types of
  chromatography (very powerful method)
• Floatation
• Sieving
• Magnetism
• Extraction
• Distillation

4
How do you separate

• Sand and water
• Alcohol and water
• Corn starch and water
• Iron and sulfur
• Caffeine from coffee beans
• Salt and pepper
• Sand and pepper