Separation Flashcards
Separation
filtration
Gravity filtration
purpose:
requirement:
tips:
Hot filtration
purpose:
requirement:
tips:
Suction Filtration
purpose:
requirement:
tips:
Filter Aids (celite)
purpose:
requirement:
tips:
Soxhlet extraction
purpose:
requirement:
tips:
Centrifugation
purpose:
Recrystalization
Recrystalization single solvent
Which solvent to use in recrystalization
when no single solvent for recrystalization is found
Recrystalization tips
Sublimation
purpose:
requirement:
tips:
Drying solids
purpose:
4 ways
Melting points
melting point range
if two compounds are unknown then their m.p will be compared with a known sample. if the melting is the same then it is the same and if it is different then it is the other
if uncertain change the ratio to observe a sig difference
Reaction workup
Quenching
Quenching agent
What is Liquid liquid extraction ?
requirements
tips
Acid Base extraction
Reaction work up liquid liquid extraction (not complete )
hi pg 32-34
Extraction tips
Partition coeffecient
drying agents
removal of water from organic extracts