18 New FTIR Academic Choice Programme
A2 Technologies is offering a special programme to enable researchers and teachers in college and universities to access the potential of the versatile Exoscan FTIR technology. For a limited time, academic personnel that order an Exoscan system will have a choice of a second sampling interface, the Exoscan Docking Station or Panorama Pro data analysis software, at no additional cost.
Exoscan, with its Docking Station, is the only FTIR that is a fully capable bench top lab system that transforms into a hand-held, battery operated system for field based applications. Thus, the system is essentially two spectrometers for the cost of one. Exoscan has the performance expected from a high quality lab system, yet also has the ruggedness and size required by users who wish to work in the field. With availability of ATR, diffuse, specular and grazing angle reflectance sampling interfaces, Exoscan measures a broad range of samples and is ideal for gathering infrared spectral data in the field and/or analysing samples in the lab. With its comprehensive range of sampling options, it functions as a powerful teaching system that enables students to understand a wide range of FTIR applications. Panorama Pro provides the user access to an exceptionally wide range of spectroscopic data analysis capabilities.
Current academic users are employing Exoscan in research and teaching activities including: geoscience, such as soil and rock composition analysis; art and historical object conservation; engineering applications, such as weathering of construction materials; analysis of polymer and paint
coatings; surface analysis as related to material performance; and, general analysis of a wide range of solid and liquid samples. Circle no. 37
CHROMATOGRAPHY & SPECTROSCOPY
New Spectrophotometer for Colour Measurement
Uninterrupted Productivity Across Routine GC-MS Applications
Thermo Fisher Scientific, Inc announced the new Thermo Scientific ISQ single quadrupole gas chromatography-mass spectrometry (GC-MS) system with a unique, non-venting full-source removal capability at Analytica 2010. Featuring the new ExtractaBrite™ ion source, the ISQ™ system offers simplified operation and maximum uptime for uninterrupted productivity across routine GC-MS applications including forensics, toxicology, food safety and environmental.
The ISQ GC-MS is a highly robust and rugged system that provides high-throughput sample analyses and 24/7 operation. The new ExtractaBrite removable ion source is designed to provide maximum uptime and productivity by extending the length of time between required source maintenance. When the system requires maintenance, the time-consuming and labour-intensive procedures including breaking the vacuum, cooling off, cleaning, reassembling and restoring associated with conventional systems are eliminated. The entire ion source can be removed without venting the analyser. The new ISQ single quadrupole GC-MS also offers an extended mass range, from 1.2 to 1100 u, for analyses across a varied range of compounds.
The new Lovibond® PFXi spectrophotometer introduces a
unique concept in liquid colour measurement. For the first time, this type of equipment offers the capability for remote calibration and servicing via the Internet – eliminating any costs and time delays associated with servicing.
This new technology, coupled with the Lovibond® accuracy
of measurement, provides the industry with an ideal solution for constant, reliable colour measurement.
The PFXi spectrocolorimeters are simple to use with no need to build up calibration curves as they are already established in the instruments. The large, clear LCD screen allows the display of graphs and data in a wide variety of languages and the easy to use menu system guides operators through the selection of operating parameters.
Measurements are initiated by just a single key press. The accuracy, repeatability and reproducibility of data provided by the instruments allow for tighter colour specifications and greater colour consistency, giving companies the confidence needed to make important decisions regarding high value products.
The PFXi range is supplied with a full range of colour scales for specific markets including, but not limited to, Petroleum, Edible Oils, Pharmaceuticals, Brewing and Honey.
The remote upgrade feature allows the easy, flexible addition and upgrading of colour scales once the instrument is in service. A comprehensive list of available scales and advice on the selection of scales can be obtained from The Tintometer Ltd.
All PFXi instruments include Lovibond® ‘s new RCMSi
technology (Remote Calibration & Maintenance Service via internet).
Circle no. 39
Advanced electronics allow the ISQ to acquire and write data to disc at accelerated rates for truly high-speed acquisition in real-world applications. The sequential full scan/selected ion monitoring (SIM) capability provides qualitative and quantitative analyses in a single injection, for confirmation and screening in the same analytical run.
With the ISQ GC-MS, labs are able to operate continuously and productivity can be considerably improved. The innovative ISQ GC-MS represents the most advanced technology available today while providing the opportunity for future upgrades and options. The ISQ mass spectrometer is offered with either the Thermo Scientific FOCUS GC for routine GC-MS or with the full-featured TRACE GC Ultra for improved flexibility and performance.
Circle no. 38
Simultaneous Determination of GHB and GBL in Beverages
Drug Facilitated Crime (DFC) and Drug-Facilitated Sexual Assault (DFSA) in particular have become threats to partygoers in nightspots in many places.
Prosecution depends on the successful detection of gamma-hydroxybutyrate (GHB) and its prodrug gamma-butyrolactone (GBL), the substances most commonly used to spike beverages to make the victim defenceless. Metrohm offers a straightforward and fast ion-chromatographic method to determine both substances in a single run.
For the forensic determination of illegally added GHB and GBL in commonly consumed beverages, this method employs direct-injection ion chromatography combined with spectrophotometric detection. In the range of 10 to 200 mg/L, five-point calibration curves for GHB and GBL yield correlation coefficients of 0.9998 and 0.9997, respectively.
Spiking experiments in which GHB and GBL were added to alcoholic beverages and non-alcoholic fruit juices showed no matrix effects. The method allows to trace GHB-GBL interconversion, whether in-vivo or in-vitro lactone cleavage or intramolecular GHB esterification, and thus complies with pertinent requirements of law enforcement agencies.
Circle no. 40
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