Department of Chemistry
Todd Wehr Chemistry, 101
1414 W Clybourn St.
Milwaukee, WI 53233
CHEMISTRY ON SOCIAL
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The Todd Wehr Chemistry Building is centered in the Wehr Science Complex on the Marquette campus. The six-story chemistry building, which has recently undergone extensive renovation, provides 100,000 square feet of research and teaching space equipped with the modern instrumentation required for chemical research.
The on-site NMR facility is managed by Dr. Sheng Cai, the staff spectroscopist, and includes 300 MHz (with autosampler), 400 MHz and 600 MHz NMR instruments. These instruments provide us with important structural data to help determine isomeric structures.
The department also has small-molecule single-crystal and powder XRD instruments that provide diffraction data, which is used to calculate precise 3D structures of catalysts and small molecules obtained as single crystals. The facility is managed by Dr. Sergey Lindeman, the staff crystallographer.
Gas chromatograph-mass spectrometer, used for identifying molecules in complex mixtures. Maintained by Dr. Sheng Cai.
Maintained by Dr. Ruchi Shukla.
High-pressure liquid chromatograph, used for separating molecules in aqueous solutions.
Used for separating mixtures based on flow in an electric field.
The MALDI is very useful for determining the mass of high molecular weight compounds, such as proteins. It is maintained by Dr. Sheng Cai.
Advanced spectrophotometer for accurate spectral measurement from the UV (175 nm) to the mid-IR (3300 nm). Maintained by Dr. Ruchi Shukla.
With a probe capable of running solid samples.
For the characterization of chiral compounds.
Used for determining the presence and amounts of mostly metallic ions in solutions.