Alexandria Chemistry Department

Menu

CHM 245 Lab Manual

Please check your syllabus for scheduled lab dates
  • SDS – use to find chemical safety hazards and physical properties
  • NIST Chemical Search – use to find chemical structures and spectra

All students must complete online Lab Safety Training.  See your Canvas site for the Lab Safety Module.

See here for guidelines on how to write postlabs and lab reports: Postlab and lab report guidelines

Laboratory Procedures Relevant Links
Melting Point ChemSurvival: FPD Theory
short, but poor sound
IVC – long, but in depth and good
Recrystallization Principles of recrystallization from ChemSurvival
MIT
SciVis
IVC – vacuum filtration
Acid-Base Properties and Solubility  
Extraction Principles of Extraction from ChemSurvival
MIT
SciVis – Part I
SciVis – Part II
Thin Layer Chromatography U of Guelph – very similar to our lab
ChemSurvival: TLC Theory
Simple Distillation Principles of Simple Distillation from ChemSurvival
SciVis
CalTech – RI magic
SCC refractometer demo
Refractive Index background
Fractional Distillation Principles of Fractional Distillation from ChemSurvival
SciVis
Gas Chromatography Vernier Mini GC – Sample injection at 3 min, data analysis at 5 min.
Identification of an Unknown  
Substitution How to set up a Mole Table
Dehydration of an Alcohol