Rookie Mistakes - Spectroscopy

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Verification:
MistakeCheck the mistakes you have madeNumber of rookies who have done this
Knocked over spectrophotometry cuvette 8
Believed that LCMS data was real 6
Acquired an NMR spectrum of the lock sample 6
Mix two different samples in the same NMR tube ... 4
Spent ~30 minutes troubleshooting the NMR because it wouldn't lock to CDCL3. Turned out I forgot to inject the sample. 4
submitted NaCl crystals for x-ray analysis 3
Made up NMR in TLC solvent (conveniently kept in old CDCl0 bottle) 3
Broke precious sample which was supposed to be recovered afterward in a NMR tube when sticking it into NMR spinner. 3
Play with the NMR magnetic field with a spatula while taking a scan. 2
scrapped some dirt off the lab floor and sent to analytical department. 2
Dropped depth gauge down NMR spectrometer. 1
Sent boiling chip to crystallographer 1

Other Rookie Mistakes

Equipment Reagents Setup Quenching Rxns Workup Chromatography
Distillation Spectroscopy Cleaning Record-Keeping Accidents Miscellaneous