How do you determine which layer is on top during extraction?
depends on density, less dense solvent stays on top
When water is added to separatory funnel and drops go to bottom layer, what does this mean?
Top layer is organic, water goes to aqueous layer
What chemical is organic layer dried with?
Anhydrous sodium sulfate
Define emulsion
A suspension of one liquid as droplets of another
What solvent is used for TLC?
Ethyl acetate/ hexane
What are the two adsorbents for TLC?
Alumina and silica gel
What is Rf?
Retention factor
What is TLC viewed under?
UV light
Define elute
Remove by washing with a solvent
What solvent was used to elute in column chromatography?
T butyl methyl ether/ hexane mixture
What is difference between column chromatography and TLC?
Column chromatography runs from top to bottom.