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| Technology Forum |
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GC
With issues such as food safety pushing gas chromatography to the forefront of the research community, this mature technique has seen something of a renaissance in recent times. Joining us for this discussion are Daniel W. Armstrong of University of Texas, Arlington; Mark Taylor of Shimadzu Scientific Instruments, Inc.; Eric Ziegler of PerkinElmer; and Michael Feeney of Agilent Technologies, Inc.
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New ACQUITY UPLC Columns Kits - Develop Robust Methods with Ease
Waters new Method Development Kits consist of several UPLC columns with a broad range of selectivities that facilitate your method development process and enable robust methods to be developed efficiently and effectively. Using these kits, you can easily judge the quality, reliability and consistency of analytical UPLC methods in your laboratory.
 Find out more. |
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| Featured Articles |
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Playing it Safe with Sensitive Phthalate Analysis
Dr. William Goodman, Chromatography Applications Manager and Dr. Nicola Vosloo, European Market Development Leader, PerkinElmer, explain the importance of sensitive detection in phthalate testing during GC–MS analysis.
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Selection of Columns for GCxGC Analysis of Essential Oils
A capillary column coated with a high-temperature stable wax stationary phase for gas chromatography, with a recommended maximum oven temperature of 300 °C, was installed as part of a comprehensive two-dimensional gas chromatography (GC×GC) column ensemble and the suitability of this column set-up for essential oil analysis was investigated.
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Visit Tosoh Bioscience at ACS booth 1125
Learn of impressive data being generated by the
 EcoSEC® GPC System and discover why our TSK-GEL® columns are so popular.
While you’re at the booth, take a spin on our slot machine for a chance to win your choice of a Wii®, Playstation® 3 or an Asus® Eee PC Netbook! |
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| Featured Application Notes |
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Fast Separation of Chlorinated Pesticides Using Zebron GC Columns
In this application note, two column pairs were exhibited for organochlorine pesticide analysis. The Zebron ZB-XLB and ZB-35 are traditionally used for this analysis but the Zebron ZB-MultiResidue-1 and -2 pair show additional benefits of improved resolution.
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| Featured Products |
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 MALDI TOF/TOF
The new ultrafleXtreme™ shatters the previous limitations of MALDI mass spectrometry. Ultra fast, yet flexible with high performance, the ultrafleXtreme MALDI TOF/TOF provides researchers with the most potent instrument for a variety of applications.
The ultrafleXtreme represents a leap forward in MALDI technology and the performance of the system far surpasses the capabilities of earlier generation instrumentation. The ultrafleXtreme truly redefines what is possible with MALDI Mass Spectrometry. Bruker Daltonics, Billerica, MA.
Visit Bruker Daltonics Online
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| Ask LCGC |
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GC Rising Baseline
Q: In gas chromatography, why might a rising baseline be observed when using temperature gradients?
A: John Hinshaw: Baseline rise during a temperature program can be attributed to three principal effects.
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LCGC answers your technical questions each month. Please submit your questions here. We look forward to hearing from you.
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Market Profile |
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Supercritical fluid chromatography
Supercritical fluid chromatography (SFC) makes use of a supercritical fluid, typically carbon dioxide (CO2), instead of an organic or aqueous solvent, to carry the sample through the chromatography column.
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