Online Lectures (PodCasts) under Laboratory Essentials

Laboratory Essentials

Mainly Weighing and Volumetric Liquid Handling

Dr. Stephen Lukacs (June 2016)

The most basic techniques. Learn them well because you'll be doing them over and over, they are required for any lab work in the future, and I will be watching for proper method, fore thought, and grace. Time to make your own stock and known solutions in the laboratory.

Weighing

(June 2016) Properly use the balance and transfer the compound without loosing any molecules.

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Pipetting and Serial Dilutions

(June 2016) Learn This. Remember, Slow is Smooth, Smooth is Fast. I expect this to be learned early on in the semester. I expect it to be perfect, graceful, and right.

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If you forget how to properly calculate the concentration of your dilutions, remember the dilution equation:

Vf Mf = Vi Mi

where V is the volume, M is the molarity in moles of solute over liters of solution, i is the initial and f is the final