| Mistake | Number of rookies who have done this
|
|---|
| Tried to drain sep. funnel with stopper still in
| 260
|
| Set up reaction under Ar, added in reagents and forgot to add stir bar
| 226
|
| Poured a reaction mixture into a separating funnel without closing the tap. Recovered reaction mixture from the bottom of the fume hood.
| 219
|
| Forgot to pre-weigh your round bottom flask.
| 218
|
| Didn't label a flask. One week later, have NO idea what is inside.
| 204
|
| Handled volatile, smelly and/or toxic solvents or reagents (benzene, carbon disulfide, acrylates, etc.) outside of the fume hood.
| 203
|
| Solvent run all the way to the top of TLC plate
| 196
|
| Bumped solution on rotovap.
| 187
|
| Sniffed noxious compound/gas/solvent, not waft!
| 187
|
| Pick up something from the floor and while doing so, dropping the contents out of the front pocket of your lab-coat (usually NMR tubes)
| 158
|