8 Modular Raman Spectrometer with Small Footprint
Ocean Optics has introduced the Apex 785 Raman Spectrometer, the first in the Elite Series of high-performance spectrometers, light sources and accessories. Apex is a modular, small-footprint spectrometer that rivals bench-top instruments. Apex provides maximum resolution and exceptional sensitivity that combine to create superior performance.
Apex eliminates the compromise typically made to achieve either high sensitivity or maximum resolution. Using a unique optical design and high throughput virtual slit, licensed from Tornado Spectral Systems, the Apex spectrometer eliminates this tradeoff between sensitivity and resolution. The result is a powerful tool for low light applications such as Raman spectroscopy.
Apex’s higher resolution enables better resolved peaks and observation of spectral features not seen previously. Its high sensitivity affords shorter integration times for faster measurements and lower excitation power to minimise sample degradation.
“Since we launched our first miniature spectrometer over 20 years ago, Ocean Optics has been the world leader in modular spectroscopy solutions,” said Richard Pollard, President of Ocean Optics Inc. “The Apex spectrometer and the creation of our new Elite series demonstrate our commitment to innovation necessary to maintain leadership in the industry.”
The launch of the Apex spectrometer represents the perfect partnership of sophisticated, industry-leading technical innovation and the flexible, modular and applications-based approach, pioneered by Ocean Optics. Joining technology with application support enables Ocean Optics customers to better solve problems and find answers to challenging research questions.
MORE INFO. 19
Historic Boston Plays Host to the Fifth Symposium
Tecan recently hosted the fifth annual Tecan Symposium in the picturesque surroundings of Boston, Massachusetts, visiting the US for the first time. Held at the beautiful Taj Boston hotel, this year’s symposium explored the topic of ‘Mass spectrometry – the expanding role in life sciences and diagnostics’ and gave delegates an insight into the exciting opportunities and new developments in this fast-moving field.
With mass spectrometry (MS) becoming increasingly popular throughout the life sciences sector, from fundamental research to medical diagnostics, the 2012 Tecan Symposium covered a diverse range of MS applications with four main themes: the use of MS in diagnostics and applied markets; the role of MS in basic research; the collection, preparation and storage of samples for MS; and emerging trends and technologies in MS. Prominent speakers were invited from academia and industry, including Imperial College London and Quest Diagnostics, and spoke on subjects as diverse as medical diagnostics, the value of MS in space science and identifying traces of chocolate on ceramics recovered from archeological sites. With a wealth of expertise in so many different fields, they provided practical insights into current applications of MS, and discussed the technique’s potential for future applications. As in previous years, the main scientific program was complemented by a series of social events, including a tour of the Freedom Trail and an evening dinner in Boston Public Library, that allowed delegates to network in an informal atmosphere, contemplating the vast array of MS applications while hailing the success of the fifth Tecan Symposium.
To find out more about the Tecan Symposium, visit
www.tecan.com/symposium. MORE INFO. 20 MORE INFO. 21
Cutting-Edge Mass Spectrometry Technology on Show at Pittcon 2013
Almsco International has announced that it will be showcasing its latest suite of products for trace-level organic chemical analysis at Pittcon 2013.
On show will be Almsco’s high-performance TOF mass spectrometer, BenchTOF-dx™, which provides the analyst with the capability to capture reference-quality full spectral information at traditional SIM detection limits.
Combining selectivity, stability and speed with full spectral sensitivity, this unique instrument delivers high-definition mass spectrometry and outstanding performance for every GC application. Rugged and robust in routine operation, BenchTOF-dx is also more than an equal for the challenges of advanced research. It offers identification and measurement of both target compounds and unknowns in highly complex matrices and at the lowest possible levels.
Among the suite of products on display will also be a new version of TargetView™, a software package for compound identification following GC/MS analysis.
Capable of detecting and identifying both targeted and unknown compounds in complex GC/MS chromatograms, for either trace-level work or for routine screening, the software has been designed for all GC/MS analysts irrespective of their field of work.
TargetView delivers rapid screening of chromatograms against compound libraries, and provides the analyst with the capability to quickly and easily create bespoke spectral libraries. In addition to this, a new batch-processing option now allows multiple files to be screened against a single library, saving a considerable amount of time for the analyst.
Quantitative Analysis of Stainless Steel Using WDXRF
Rigaku Corporation is pleased to announce the publication of a new application report describing stainless steel analysis using wavelength dispersive X-ray fluorescence (WDXRF) spectrometry. The report highlights the performance of the Rigaku ZSX Primus III+ WDXRF spectrometer, which is optimised for process control. Application Note #5021 details the analysis of alloy steels with added chromium alloying elements, and includes complete information regarding sample preparation, method calibration and repeatability.
Stainless steel does not rust or corrode as readily as ordinary steel. There are over 150 grades of stainless steel, which have numerous applications including use in cookware and major appliances. Alloy steels are typically produced using electric furnaces and the concentrations of elements in the molten steel are controlled during the steel making process. Therefore, quick and accurate analyses of elemental compositions are necessary, as are analyses of slag and raw materials such as quicklime and ferroalloys. X-ray fluorescence spectrometers are the most common instruments for the analysis of steel due to their rapid analysis capabilities and the ability to measure both bulk metal and powders.
Certified standard reference materials of stainless steel provided by Japan Steel Standard were used to establish the calibration. Measurements were performed using the ZSX Primus III+ WDXRF analyser with a 3 kW Rh target X-ray tube.
The ZSX Primus III+ spectrometer has tube-above optics, which means that the X-ray tube is located above the sample to reduce the risk of instrument contamination or damage. It is ideal for the steel industry, where both bulk metals and powder samples are analysed. The system software, based on Rigaku’s flowbar interface, leads the user through a series of step-by-step procedures to execute and optimise measurements.
The results of this study demonstrate that accurate analysis of the elements in stainless steel, particularly nickel (Ni) and chromium (Cr), can be performed using the ZSX Primus III+ spectrometer with high precision. Other high alloy steels, as well as low alloy steel, powder slag and powder raw materials, can also be analysed with exceptional precision using the ZSX Primus III+ spectrometer, which is shown to be ideally suited for process control in stainless steel plants.
MORE INFO. 22
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INTERNATIONAL LABMATE - JANUARY/FEBRUARY 2013
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