Mass Spectrometry (MS)
An analytical technique for measuring the mass-tocharge ratio (m/z) of ions in the gas phase.
Mass spectrometry is our most valuable analytical tool for
determining accurate molecular masses.
Electromagnetic radiation: Light and other forms of
Wavelength ( ): The distance between consecutive
peaks on a wave.
Frequency ( ): The number of full cycles of a wave that
Prelab Guideline for Chem 212
Goals of Prelab are: come to lab prepared, understand the experiment goals, and
understand the experimental steps/procedure prior to coming to Lab.
Due during the Lab. Prelab must be done in your Lab notebook. Hand-in the car
Separation of Unknown Mixture of 4chlorobenzoic Acid and 4-bromoaniline by
Lab Report 3
M. Narinyan, and M. Morgan
The purpose of this experiment was to separate the two compounds of
unknown mixture by multiple extractions. Purificatio
Virulence Factors: S.aureus
Is an enzyme that clots the plasma component of the blood. In the human host, the action of coagulase
produces clotting of the plasma in the immediate vicinity of the bacterium. The resulting increased
First, a small Erlenmeyer flask was used to dissolve 200mg of 4-nitrobenzaldeyhe in 10mL of
methanol. A TLC was prepared as follows in Figure 1.
The first spot was placed on the TLC
plate and it was the SM or starting materi
Problem Set #6
1) Provide the major product for each of the following reactions. If no reaction, write N/A. You may assume
work up if it is not indicated.
1. LDA, THF
AcOH, H 2O
Post-lab Guideline Synthesis of Aspirin
due 11 pm Monday 05/02
Post-lab report must be typed in word document (Times New Roman, font 12, 1.5 spacing, 1 inch all
around edges), and must include the following sections, in the order th
Macrocyclization of Unprotected
Department of Chemistry Massachusetts Institute of Technology
Presented by: Diana I, Victor, Haik, Amandeep, Diana S
Bradley L. Pentelute
Received his Undergraduate degree in Psy