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Spectroscopy & Chromatography

 

Complete Instrument List | GC-Lab Sign-Up | NMR-Lab Sign-Up

 

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Dania Alvarez Fonseca

Analysis and Instrument Description

Example Analyses

Gas Chromatography Varian Gas Chromatography

Varian CP 3800 GC
FID and TSD detectors

Analysis of most organic compounds and selective monitoring of nitrogen and phosphorous compounds.  

Simulated Distillation Gas Chromatography

Simulated Distillation Gas Chromatography

HP 5890 GC Series II
Column is a Restek Sim.Dist. Column

Simulated Distillation is used to explore boiling point distributions in complex mixtures, usually fuel related.

Simulated Distillation Gas Chromatography example
Gas Chromatograhpy
S, N and P Selective Detection (Gas Chromatograhpy)

HP 5890 Series II GC
NPD and FPD detectors

NPD and FPD detectors are used to selective monitor sulfur, nitrogen and phosperus concentrations in complex mixtures.

 

Gas Chromatograhpy example
Chiral Components
Separation of Chiral Components (Gas Chromatography)

HP5890 Series II
BETA-DX Capillary Column

This instrument is setup for the separation of specific isomers and compounds generally difficult to resolve with conventional gas chromatographic columns.  
Headspace Gas Chromatography Gas Analyses
Headspace Gas Chromatography
Gas Analyses

Shimadzu GC-17A
FID and TCD detectors

Headspace GC used for analysis of gaseous samples.
Headspace Gas Chromatography Gas Analyses example
High Performance Liquid Chromatography
High Performance Liquid Chromatography

Waters 600E pump/996 PDA detector

Liquid chromatography can be used to characterize complex mixtures that are not amenable to GC. Detection is afforded by a photodiode array detector.

 

 
Gas Chromatography/ Mass Spectrometery featuring Direct Insertion Probe
Gas Chromatography/ Mass Spectrometery featuring Direct Insertion Probe

Shimadzu QP-5000

Compound identifications are provided in this technique by the mass spectrometer. The probe is used to bypass the GC column if necessary.

 

Gas Chromatography/ Mass Spectrometery featuring Direct Insertion Probe example
Pyrolysis-Gas Chromatography/Mass Spectrometry
Pyrolysis-Gas Chromatography/Mass
Spectrometry

HP 5971 GC/MS
CDS Pyroprobe 1000

Py-GC/MS is used to characterize high molecular weight materials. Rapid heating to high temperature 'fractures' the sample for analysis by GC/MS.

 

 
Solid-State Carbon-13 NMR Spectroscopy
Solid-State Carbon-13 NMR Spectroscopy

Chemagnetics M100 100 MHz

Solid-state NMR spectroscpy is a structure elucidation tool used to probe functional group distributions and physical properties in solid samples.

 

Solid-State Carbon-13 NMR Spectroscopy example
Liquid-State NMR Spectroscopy with Imaging Cababilities
Liquid-State NMR Spectroscopy with Imaging Cababilities

Bruker AMX 360 MHz

Multinuclear spectrometer used for strucuture elucidation studies, measuring physical properties and characterizing pore distributions using MRI techniques.
Liquid-State NMR Spectroscopy with Imaging Cababilities example

Key Contact

Dania Alvarez Fonseca

(814) 865-3523

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