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CLEAN-UP & DISPOSE OF WASTES
CLEAN-UP & DISPOSE OF WASTES
Liquid waste (carboy): acetone, hexanes, ethyl acetate, and discarded column fractions
Solid waste (cardboard box): glass pipets, column with silica, excess dry silica, used TLC plates, excess CAF, ASP, or ACE, capillary tubes
Wash glassware, put away equipment, and wipe benchtops
NO GLASS IN THE TRASH!
GENERAL HAZARDOUS WASTE DISPOSAL:
Waste must be properly labeled, stored, and disposed of in accordance with Federal and State regulations.
Don't dispose of chemicals down the drain.
Don't dispose of chemicals via trash cans.
Don’t use hoods to intentionally evaporate chemicals
Transport the hazardous waste to your designated pick-up location using a sturdy cart and secondary containment.
Learning Objectives
Understand the principles behind silica-based chromatography
Critical analysis of column and thin-layer chromatography techniques
Analyze data to assess the purity and success of an experiment
Understand the role of functional groups and polarity on separation
Predict sources of error and understand their effects on results
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