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ADVERTORIAL
Thermo Fisher Scientific Announces Enhanced iCAP 6200 ICP-OES – A Low Cost Solution with Extended Analyte Coverage and Even Lower Detection Limits
Thermo Fisher Scientific Inc announces the enhanced specification Thermo Scientific iCAP 6200 inductively coupled plasma optical emission spectrometer (ICP-OES). The iCAP 6200 ICP-OES now incorporates a wider wavelength range of 175-847nm to enable users to measure a wider range of analytes as part of a multi-element analysis and to access more sensitive wavelengths for improved analyte detection capability. Thermo Fisher showcased the enhanced specification iCAP 6200 ICP- OES within Thermo Scientific booth 2835 during Pittcon 2011.
The iCAP 6200 ICP-OES spectrometer is a simultaneous, dual-view instrument designed to provide a low cost alternative to the Flame Atomic Absorption (Flame AA) technique. The instrument provides a simple multi-element analysis solution for routine laboratories that require analysis of up to 100 samples per day. The enhanced specification now enables the measurement of sulphur as part of a multi-element method and access to the most sensitive mercury, thallium, carbon, tin, phosphorous, arsenic and iodine wavelengths. The new enhanced analytical performance is combined with award-winning design features that enable low running costs and simple operation, making the iCAP 6200 ICP-OES an ideal solution for first time users of the technique. Users of the Flame AA spectrometry technique who require higher productivity and lower detection limits will benefit significantly from these new enhancements.
Designed for a wide variety of application areas including food and consumer safety, environmental, mining and WEEE/RoHS testing, the iCAP 6200 ICP-OES delivers a powerful and cost-efficient trace elemental analysis solution. The instrument features an optimised gas distribution system to minimise gas consumption and dramatically reduce running costs.
interface gas flow which runs at just one litre per minute.
The compact iCAP 6200 ICP-OES requires minimal bench space and ensures excellent signal stability, analyte detection and wide dynamic range. The instrument includes a range of pre-loaded method templates, developed to enable protocol-compliant sample analysis and unlimited access to a new dynamic method library, hosted online at
www.thermoscientific.com/iteva-software. These templates complement the instrument’s pre-optimised sample introduction specifications to enable simple, consistent operation, allowing all levels of users to achieve powerful analytical performance.
An informative webinar demonstrating how simple, low cost ICP-OES technology can be used to enhance productivity and detection limit capability is now available to view on demand. Hosted by Thermo Fisher Scientific, the webinar entitled ‘AA Overworked, High Specification ICP Overkill! What is the Solution?’, discusses the merits of the iCAP 6200 ICP-OES as a low cost alternative to the AA technique. To view the webinar, visit
www.spectroscopynow.com/thermowebinars
Circle no. 39
Thermo Fisher Scientific Nitrogen/Protein Analyser Selected by Italian Research Institute for Fast and Accurate Analysis of Food Samples
Thermo Fisher Scientific Inc announces that Gruppo CSA, a leading Italian environmental research institute, has implemented the Thermo Scientific FLASH 4000 nitrogen/protein analyser to enable efficient and accurate nitrogen/protein determination in animal feed and human food samples. The analyser has set new standards for the efficiency of analyses at the institute and has provided unmatched precision while also facilitating increased sample capacity and high sample throughput.
As a result of the increase in speed and throughput of analyses, Gruppo CSA has been able to expand its range of services to customers.
Located in Rimini, Italy, Gruppo CSA houses a food laboratory division which performs a broad range of analyses including nitrogen/protein determination in animal feed and human food samples. The institute has seen a surge in the number of animal feed analyses that it performs due to a recent European Commission initiative that provides a financial incentive for farmers producing dehydrated alfalfa with levels of protein above 15 percent. In response to customer demand, Gruppo CSA is required to conduct rapid nitrogen/protein analysis on high quantities of dehydrated alfalfa in adherence with the Association of Official Agricultural Chemists (AOAC) 992.23 method. To address the growing analytical requirements while also remaining compliant with industry regulations, Gruppo CSA selected the Thermo Scientific FLASH 4000 nitrogen/protein analyser.
Prior to implementing the FLASH 4000 N/Protein instrument, Gruppo CSA utilised the traditional Kjeldahl method for its nitrogen/protein analyses. However, the method suffers from a number of challenges, namely that it is extremely time consuming, requiring more than four hours to complete a single analytical cycle of just 20 samples. As a consequence, the institute could not provide high quantity alfalfa analysis as a key service. The method also requires the use of acids at extremely high temperatures, posing a significant safety risk. Working with the Dumas combustion method for protein analysis, the FLASH 4000 N/Protein analyzer overcomes these challenges, increasing overall productivity and cost-efficiency while also eliminating the use of corrosive acids, which improves health and safety conditions within the institute.
The FLASH 4000 now enables Gruppo CSA’s team to process up to 50 samples in a single cycle, while the four-hour cycle time has been dramatically reduced to just 10 minutes. In contrast to the Kjeldahl method, which requires constant monitoring, the FLASH 4000 can run unattended and overnight, saving time for the institute’s technicians and increasing overall throughput. The elimination of dangerous acids and toxic reagents has also meant that the instrument is much easier to clean and maintain, particularly with the inclusion of a self-cleaning filter, saving both time and money.
“After conducting a comprehensive evaluation of the FLASH 4000, it became clear that the analyser is unmatched in terms of capacity for accuracy, sample throughput and sheer efficiency when facilitating the Dumas technique,” said Dr Pierpaolo Tentoni, Chairman of Gruppo CSA. “Since the implementation of the instrument, our sample throughput has increased by more than 50% and we are now able to analyse large quantities of samples at low cost. With the high sample capacity and cost-efficiency of the FLASH 4000, for the first time ever we have been able to provide animal feed analysis as a key service.”
Circle no. 40
Thermo Fisher Scientific ICP-MS Implemented by University of Oviedo for Reliable and Efficient Sulphur Detection in Proteins
Thermo Fisher Scientific Inc announces that the University of Oviedo’s analytical spectrometry research group has implemented the Thermo Scientific XSERIES 2 ICP-MS to perform reliable and interference-free sulphur detection in proteins. In the past, interference from gas-based polyatomics has made the accurate determination of sulphur isotopes particularly challenging for the research group. The XSERIES 2 ICP-MS has overcome these issues, offering high levels of accuracy while also optimising the efficiency of analyses.
The analytical spectrometry research group at the University of Oviedo in Asturias, Spain aims to solve the analytical challenges encountered by science and technology. Within this framework, a small sub-group has been established focusing on the development of inductively coupled plasma-mass spectrometry (ICP-MS) based analytical methods for the quantification of biopolymers such as DNA and proteins. One of the principal issues faced by the group is the interference from gas-based polyatomics such as oxygen in the determination of sulphur when using a low resolution instrument. To eliminate these problems, the group selected the Thermo Scientific XSERIES 2 ICP-MS with collision/reaction cell technology (CRC).
Quantitative protein analysis is currently one of the most demanding applications in analytical chemistry. Mass spectrometric techniques such as electrospray ionisation-mass spectrometry (ESI-MS) and matrix assisted laser desorption ionisation-mass spectrometry (MALDI-MS) have traditionally played a key role in protein analysis. However, the potential of ICP-MS has recently been recognised for the determination of proteins. Although ICP-MS detection does not provide any structural information, its outstanding capability to quantify most of the elements proves valuable for accurate protein quantification. Keeping pace with the latest technological developments, the University of Oviedo’s research group has coupled the XSERIES 2 ICP-MS with a reversed-phase capillary liquid chromatography (µLC) system to facilitate precise determination of sulphur isotopes in standard proteins.
Dr Jörg Bettmer of the University of Oviedo’s analytical spectrometry research group commented, “The Thermo Scientific XSERIES 2 ICP-MS was chosen because no other quadrupole-based system matches its capabilities in terms of accuracy, reliability and overall efficiency. The implementation of the instrument has allowed us to achieve reliable, interference-free detection of sulphur isotopes. It has enabled us to determine sulphur-containing standard proteins in an accurate and efficient manner that had not been previously possible.” The XSERIES 2 offers outstanding productivity in a quadrupole ICP-MS for both routine and high-performance analytical applications. By using the system, laboratories can achieve their analytical objectives faster, with greater confidence and less hands-on time from the operator. The innovative ion lens design of the instrument enables simple field upgrade to collision cell technology (CCT) performance without affecting the normal (non-CCT mode) sensitivity or background. The cell is also compatible with a range of reactive gases, such as pure oxygen for interference suppression in challenging matrices.
Circle no. 41 These cost saving features include a unique torch design which reduces plasma gas consumption and an optimised plasma
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