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Analytical Instrumentation Next Generation Gas Chromatography Detector Launched


VUV Analytics formally announced the launch of their newest bench-top spectrometer, the VGA-101 gas chromatography (GC) detector at the 40th International Symposium on Capillary Chromatography (ISCC) in Riva del Garda, Italy. Building upon the success of the innovative flagship instrument, the VGA-100 vacuum ultraviolet (VUV) detector, the VGA-101 features an expanded wavelength, higher maximum allowable operating temperature, the ability to couple in-series with additional detectors, and significant gains in sensitivity. “VUV Analytics is actively pioneering innovations in VUV spectroscopy, from the launch of our award winning VGA-100 in 2014, the SVGA-100 for streaming gas applications in 2015, to the latest VGA-101. Our team is passionate about delivering VUV based optical solutions for a wide range of applications to the general scientific community,” said Sean Jameson, Senior Vice President of Business Development at VUV Analytics. “Responding to our customer’s feedback, the VGA-101 detector is engineered to extend the application range and to provide improved sensitivity and selectivity for those larger molecules which may have strong absorption responses at longer wavelengths or may require elevated chromatography temperatures.” Most chemical compounds absorb strongly in VUV absorbance wavelength range (115 – 185 nm). Photons in this regime can produce electronic transitions in virtually all chemical bonds, especially in ground state to excited state transitions such as as σσ σ* and πσ π*, which cannot be probed by UV/Vis spectroscopy. The VUV region had historically been restricted to bright source synchrotron facilities. The VGA-101 is a bench-top spectrometer capable of complete VUV absorbance detection. An expanded wavelength spectrum of 120 – 430 nm provides unique selectivity


for complex structures such as polyaromatic hydrocarbons (PAHs) that have strong primary absorption responses in the upper UV region. The ability to operate the VUV detector’s transfer line and flow cell as high as 450° C enables the analysis of higher boiling point compounds. Additional engineering advancements have resulted in the ability to hyphenate with orthogonal detectors and led to significantly lower detection limits. The use of spectral filters in a targeted wavelength region further increases analyte sensitivity. Equipped with these novel enhancements, the VGA-101 serves as a robust universal detector for customers seeking new solutions to old analytical problems.


New Series of Elemental Spectrometers Improves Performance and Value


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Engineered to expedite machine condition monitoring and quality control evaluations, SpectrOil 100 Series elemental spectrometers, from Spectro Scientific, provide quick, laboratory-precise measurement of elemental concentrations in a variety of fluid types. The ease of operation makes them ideal for use in laboratories, on-site inspection and maintenance environments, where rapid test results create value. The SpectrOil 100 Series eliminates the delay and expense of off-site laboratory analyses and minimal training is needed to operate the system. The analysis process involves no sample preparation or use of solvents or gasses, reducing cost per sample, and the spectrometers’ 30-second analysis time provides immediate, simultaneous multi-element results. The spectrometers consist of two basic models: The SpectrOil 110, which provides a basic engine wear package, and the SpectrOil 120, which includes standard and extended range packages with the following options: wear metals, coolants, fuels and custom application packages. The SpectrOil 100 Series uses Rotating Disc Electrode, Optical Emission Spectroscopy (RDE-OES) technology, a product of decades of development in support of the U.S. Military’s Joint Oil Analysis Program (JOAP). The method employs carbon electrodes and high voltage electricity to convert a fluid sample into a plasma that emits a unique spectrum of light. CCD cameras capture the light and spectral analysis software detects concentration of dozens of elements in solution with sub-ppm precision including particles as large as 10µm. SpectrOil 100 Series spectrometers detect and quantify the presence of elements that indicate machine wear or fluid contamination, while also monitoring depletion of additives that protect critical assets, according to ASTM-D6595 (oil). In quality control applications, the analyses monitor the composition and quality of petrochemicals from the crude state to final blended product to ensure process integrity and guard against contamination, in line with ASTM D6728 (fuel). Fluid analysis of coolants will ensure they are still providing heat transfer and corrosion protection, while analysis of power plant cooling water and turbine wash water determines if their condition is within regulatory limits. Spectro Scientific Vice President, Business Development Robert Wopperer said, “The new SpectrOil 100 Series expands the Spectro Scientific product line and increases performance, enabling users to perform rapid and accurate fluid analyses in their own facilities, in the most time and cost efficient way. The SpectrOil Series products reduce the complexity of testing lubrication oils and performance fluids, helping our customers better protect their valuable mechanical assets.”


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New Research Identifies More Sulphur, More Accurately Than Ever Before


Regulatory requirements in the petroleum market are of the upmost importance, with the content of Sulphur being under particular scrutiny. Traditionally, the analysis of crude oil has been done with ultrahigh resolution (FT-MS). This technique provides the ability to resolve very narrow mass differences, yet the analysis can take a prolonged period of time and is fairly cost prohibitive for some. Comprehensive two dimensional gas chromatography paired with high resolution time-of-flight mass spectrometry (GCxGC- HRTOFMS) eliminates these problems, opening the door to a better, more obtainable, petrochemical analysis. The combined GCxGC- HRTOFMS technique minimises the mass spectral resolution required to distinguish key Sulphur containing compounds, providing additional sample characterisation. Full insight into this analysis through the separation of the nearly identical masses of C3 vs SH4 and other common mass splits in crude oil, can be found in the article, “Distinguishing the C3 vs SH4 Mass Split by Comprehensive Two-Dimensional Gas Chromatography High Resolution Time-of-Flight Mass Spectrometry”. Full access to this article by LECO can be found at http://pubs.acs.org/doi/abs/10.1021/acs.analchem.6b01137 .


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39948pr@reply-direct.com Exceptional GC Resolution of PAH Isomers


SLB-ILPAH is a special purpose and specially tested capillary GC column, from MilliporeSigma designed for the analysis of polycyclic aromatic hydrocarbons (PAHs). These columns, which incorporate an ionic liquid stationary phase, are individually tested to ensure resolution of several key sets (phenanthrene / anthracene, benzo[a]anthracene / chrysene / triphenylene, and benzo [b]fluoranthene / benzo[k] fluoranthene / benzo[j]fluoranthene).


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New GC-MS Solution is Smart with Data, and Small in Size


LECO’s latest innovation for the petrochemical market, the Pegasus BT, will become your other chemist. How? You’ll get all the data you need from a single sample run, without the need for additional laboratory support. Unique and powerful software and hardware features simplify your quantitation while also identifying more components with increased sensitivity. A StayClean ion source virtually eliminates the need for source cleaning, while a convenient benchtop package saves valuable space in your laboratory. The Pegasus BT will give you more uptime, improved chemical data, and an increase in overall productivity and efficiency. It does the work for you, so you don’t have to sweat it. Obtaining better chemical information is only part of the solution. LECO’s ChromaTOF brand software works seamlessly with your Pegasus BT to automatically process your data and remove the guesswork involved with analyte identification. Features such as NonTarget Deconvolution, Target


Analyte Find, library searches, an easy-to-configure interface, and the ability to provide a complete mapping of your sample from previously aquired data come together to give you the highest quality results.


ANNUAL BUYERS GUIDE 2017 • WWW.PETRO-ONLINE.COM


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