14 Analytical Instrumentation Intelligent and Portable Fuel Analysis
Grabner Instruments (Austria), a subsidiary of AMETEK, Inc. has introduced a new portable and highly versatile FTIR spectrometer for the fully automatic measurement of gasoline, diesel and biofuel blends. The MINISCAN IRXpert is the first completely portable fuel analyser that combines superior scanning range and resolution with the advantages of mid-IR and near-IR spectroscopy for highest measurement accuracy. More than 40 fuel parameters are automatically analysed. Designed as an intelligent, self- learning analyser that allows an unlimited number of new fuel parameters to be analysed at the push of a button.
In the 1990s, Dr. Werner Grabner, founder of Vienna-based Grabner Instruments developed the IROX, the first portable FTIR spectrometer to measure the concentration of oxygenates in gasoline by mid-IR. With 20 years of expertise and feedback from customers around the world, the new MINISCAN IRXpert reflects a paradigm shift to a new level of quality in fuel analysis. The instrument houses an unique dual-cell design spectrometer that offers an extended wavelength range from mid-IR to near-IR, superior resolution and the ability to analyse multiple fuels with a single instrument. Maximum measurement stability is guaranteed through a temperature-controlled measuring cell and density meter. Unmatched accuracy is ensured through the combination of information from the mid-IR and the near-IR spectrum. Instead of a few selected areas, the MINISCAN IRXpert analyses the full spectrum and more than 12,000 data points.
The MINISCAN IRXpert comes fully configured with the ability to test more than 40 important parameters for both laboratory-tested and field-tested fuels. Oxygenates, aromatics, benzene, octane boosters and cetane improvers, and biodiesel content are measured with unprecedented precision. A number of key fuel properties, such as octane and cetane number, vapour pressure and distillation properties are accurately predicted, by utilising a worldwide sample database and by combining the information from the mid-IR and near-IR spectrum range derived from a high-resolution scan.
With the worldwide problem of fuel adulteration, the MINISCAN IRXpert was designed from the beginning with flexibility in mind. An unlimited number of new fuel parameters and samples may be added to the analyser. Advanced chemometrics automatically create an optimum model for these new parameters. With only a few clicks newly measured samples can be added to the database and a new model created.
MINISCAN IRXpert is genuinely easy to operate. Menu Navigation is done on a robust 8.4” full-colour touch screen. The button size has been optimised for operating the analyser with the fingers. Spectra can be analysed, zoomed and compared directly on a high- resolution screen. All sample spectra are stored in the instrument database for convenient review. The instrument features WORKS™ – Worldwide Online Remote Control and Services – and offers LIMS data transfer via Ethernet and USB as well.
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New Reduced Volume TAN System Saves Cost and Use of Organic Solvents
GR Scientific (UK) has launched a new micro system for Total Acid Number (TAN) analysis of transformer oil samples. A micro combination pH electrode and optimised titration vessel has been developed specifically to address the reduction in organic solvent consumption. The system enables the user to save up to 75% of the volume and cost of organic solvent used in the analysis. The new system reduces the cost per test to around $2 and greatly reduces the cost of waste solvent disposal. GR Scientific have worked closely with a UK sensor company to develop a micro combination electrode to use with the system. The electrode offers excellent stability for non-aqueous titrations. It is an ‘easy to clean’ design which is an important feature for oil analysis instruments. The system is easy to use and has been developed specifically for the wide range of TAN values expected from Oil Industry samples.
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New Product Introduced at Pittcon: Cadmium Magnesium Telluride
International Crystal Laboratories (USA) has introduced Cadmium Magnesium Telluride, a new ternary solid solution for semiconductor based room temperature X- and gamma ray detection (patent pending). CdMgTe has huge potential as a replacement for CdZnTe, the material most commonly used for this application. The new material has the advantage of being more suitable for the production of homogeneous defect free single crystals which will result in higher device yields at lower cost, thereby making the use of room temperature detectors more generally available at lower cost. Applications for CdMgTe detectors range from non-proliferation and airport security to medical diagnostic devices and spectrophotometers.
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