Download - vacuum filtration
Transcript
vacuum filtration
equipment for vacuum filtration
• vacuum funnel (Buchner here, can use Hirsch)
• filtercone (black rubber sleeve)
• vacuum flask with rubber hose
Vacuum set-up
• Clamp flask to retort lattice
• Connect to vacuum with quick disconnect and vacuum hose
• use filter paper that just covers base-plate of funnel
1. Turn on vacuum2. Use fresh solvent to paste paper to
bottom of funnel