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1. Transfer and Extraction Techniques
. Competent Chemist Rating: “Ethyl Ester's Excellent Adventure”
Techniques Checklist:
• Extraction and Washing ❑
• Careful transfer of solutions without loss of material ❑
• Solvent drying and concentration ❑
• Melting point determination ❑
• Nuclear ic Resonance (NMR) spectrometer operation ❑
Pre-lab Discussion and Required Reading:
• Extraction : Zubrick Ch. 15, LLP Ch. 10
• Theory of extraction: Zubrick Ch. 37
• Melting point determination : Zubrick pp. 87-92
• NMR theory and operation : Zubrick Ch. 35, LLP Ch.
Digital Lab Techniques Manual:
• 5. Reaction Work-Up I: Extracting, Washing & Drying
• 6. Extraction Work-Up II: Using the Rotavap
Equipment:
• Graduated Cylinder (100-mL)
• Separatory funnel (125-mL)
• Erlenmeyer flasks (2x250-mL)
• Beaker (150-mL)
• Round-bottomed flask (100-mL)
• NMR tube
• Funnel
• Fi