Lecture 5 - NAtural Product Extraction

Lecture 5 - NAtural Product Extraction - Before next time....

Info iconThis preview shows pages 1–7. Sign up to view the full content.

View Full Document Right Arrow Icon
Before next time Before next time Principles Next lab: Natural product extraction (trimyristin from nutmeg) TREE NUT ALLERGIES??? Before next lab period, complete: – Nutmeg pre-lab quiz – Extraction post-lab quiz – Extraction post-lab report – Nutmeg pre-lab report – Tutorials: Boiling points & Distillation
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Natural product extraction Natural product extraction Did you make a cup of coffee or tea this morning? If so, you have performed a ________________________. This is typically achieved with a __________ extraction. Natural product extractions often lead to a ________ ________ of products. natural product extraction solid-liquid complex mixture
Background image of page 2
Trimyristin Trimyristin from nutmeg from nutmeg Extracting trimyristin from nutmeg is a solid-liquid extraction Nutmeg Solid phase Diethyl ether Liquid phase Solution of trimyristin and ether-soluble impurities reflux Reflux : Heating a reaction mixture at its _______ _____ In a flask equipped with a _____ _________ to allow continuous return of volatile materials to the flask. boiling point reflux condenser Water in Water out
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Filtration and purification Filtration and purification We will then filter the resulting mixture to remove the solids, and purify the filtrate by ______________. distillation Distillation: Liquid Æ Gas Æ Liquid Example: Tea kettle … the conversion of a compound from the liquid phase to the gaseous phase, followed by condensation of the gas, leading to the isolate of a purer compound. Filtration
Background image of page 4
Simple Distillation Simple Distillation condensor still head purified, condensed liquid liquid + non-volatile impurities gas liquid Appropriate for separating components whose boiling points differ by a large margin .
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Vapor pressure of water vs. temperature Solution boils when the internal _____________ equals the external __________________ Atmospheric pressure = 1 atm 1 atm = 760 torr vapor pressure applied pressure
Background image of page 6
Image of page 7
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 29

Lecture 5 - NAtural Product Extraction - Before next time....

This preview shows document pages 1 - 7. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online