VARIAN, INC. RELEASES ULTIMETAL™ COLUMNS FOR BIODIESEL ANALYSIS
CHICAGO, IL -- Varian, Inc. (NasdaqGS: VARI) announced today the release of a new
UltiMetal™ capillary GC (gas chromatography) column, Select Biodiesel for Glycerides, an
advanced solution designed to address the challenges of industry standard methods ASTM
D6584 and EN-14105.
Capillary GC columns are used by analytical chemists in the biofuels industry to assess
biodiesel composition and quality to ensure that it conforms to standard specifications. Of all the
standard methods used for biodiesel analysis, those based on GC are the most common. Varian’s
family of Select Biodiesel capillary GC columns is designed to cover a complete range of
analyses including methanol and fatty acid methyl esters (FAMES).
Varian’s Select Biodiesel for Glycerides is an UltiMetal GC column that specifically
addresses the analysis of free glycerin and total glycerol in biodiesel. These methods are
conducted using high resolution capillary GC at very high column temperatures (> 350 °C).
These temperatures not only increase the likelihood of severe column phase bleed leading to
inconsistent results, but also premature column breakage due to repetitive, high-temperature
thermal cycling.
Compared to conventional fused silica columns, Varian’s unique UltiMetal columns are
significantly more resistant to breakage. These columns offer both extremely low column bleed
and the structural robustness to withstand the rigors of long term high temperature use, resulting
in a system that offers the separation performance and column lifetime required to minimize
unwanted or unexpected downtime.
“The UltiMetal glycerides column allows analysts of biofuels to spend more time
gathering information and less time replacing broken columns,” said Martin O’Donoghue, Senior
Vice President, Scientific Instruments, Varian, Inc. “This addition to our GC product portfolio
allows Varian to offer a complete solution for the analysis of biofuels, including gas
chromatographs, auto-samplers, detectors, columns, and software, training and support
services.”
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