GC X GC(qMS) Provides More Information on Samples / Powerful Analysis for a Perfect Cost/benefit Ratio
Mar 12 2008
GC x GC(qMS) Comprehensive Chromatography reveals that in chemical terms the world is much more complex than one-dimensional separation techniques show. Almost anymatrix consists ofmore chemical species than detected previously. In Comprehensive Chromatography two columns of different stationary phases are used to achieve a two-dimensional separation.
GC x GC(qMS) targets applications of qualitative and quantitative analysis of natural products such as petrochemical samples. The perfect match: Shimadzu is a leader in the development of Fast GC with the introduction of the first GC particularly designed for Fast GC: the GC-2010. The detectors of the GC-2010 have a very small minimum filter time constant of 4ms as well as amaximumdata acquisition frequency of 250 Hz for all detectors offered including FID, ECD, FTD (also called NPD), FPD and TCD.
The GC-2010 and the Zoexmodulator are the perfectmatch for Comprehensive GC. The very fast detectors enable correct representation of the very narrow peaks obtained. The GCMS-QP2010 Plus features the fastest acquisition rates in a quadrupole instrument with a maximum of 50 scans per second.
The Zoex modulator is an interface between the two columns. The modulator accumulates the compounds from the first column, then focusses and injects them into the second column. The unique Zoex loop-type modulator has several advantages: no moving parts near the column; a single valve mounted outside the GC oven; provides the narrowest chemical pulses. The GCImage software allows qualitative as well as quantitative analysis including MS library search in the NIST spectral library.
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