The LCGC Blog
As I receive reports from clients in Europe and the United States that helium prices are once again increasing, and warnings are being given regarding yet another laboratory-grade helium shortage, my thoughts turn once again to the use of hydrogen as an alternative carrier-gas for gas chromatography.
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Featured Articles
With SEC, special care is required to achieve in practice the chromatographic efficiency that is expected from theory.
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Hamilton HPLC Application Index - Online!
Three easy steps and you have access to almost 1400 compounds that have been separated on Hamilton polymer-based HPLC columns.
- Compounds are listed alphabetically
- Keyword search makes it even easier to get the chromatograms and separation conditions
- Get valuable literature references
 Check out Hamilton's online HPLC Application Index today!
An in-line mixer between the sample injector and column may resolve problems with peak shape caused during sample dilution.
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Featured News
The Gulf Coast Conference (GCC) is held in Galveston annually. For the past 50+ years, this gathering of international scientists has blazed a trail for analytical needs and innovations for the refining and petrochemical industries.
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More Featured Articles
Ultrahigh efficiency separations based on the presence of one deuterium in benzene, toluene, and naphthalene were achieved by recycle chromatography using C18 silica columns. The discrimination mechanism of H/D isotopic species is discussed based on the dispersion interactions of a CH/CD group of the solute with the stationary phase as well as the mobile phase.
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Unlike reversed-phase liquid chromatography, SFC lacks a universal stationary phase. Thus, it is important to re-evaluate the default column screening library used with SFC. In this study, three uncommon achiral SFC columns were investigated and compared to three popular stationary phases.
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