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Environmental Laboratory Automated Sample Preparation in Laboratories


Entry Level System Provides Top CHN Microanalysis Performance


Exeter Analytical (UK) has introduced an entry-level manual version of their high performance Model 440 Elemental Analyser for determining percentage levels of carbon, hydrogen and nitrogen (CHN) quickly, easily and reliably across the widest range of sample types.


Competitively priced, the manual Model 440 offers labs running smaller numbers of samples a no-compromise entry point into high performance CHN analysis.


At this year’s analytica LCTech GmbH (Germany) presented its latest solutions for automated sample preparation.The diverse systems and devices facilitate work in laboratories significantly:


FREESTYLE Basic, acts as the core system and contains important functions, such as the xyz-robotics, injection pump, valves and a needle for sample transfer or for pipetting, diluting etc. There are multiple possibilities to extend the modular and flexible platform: SPE module for the automated processing of different SPE columns: 1 - 15 mL cartridges or LCTech glass columns; EVAporation modulefor swift and precise concentration of samples to a pre-selected volume of between 0.5 and 5.0 mL; FREESTYLE with ThermELUTE module GPC module (Gel Permeation Chromatography) for sample clean-up via size exclusion chromatography.


The newest FREESTYLE module for the Mykotoxin analysis enables the handling from raw extract to the ready chromatogram without any manual working steps. The unique technology breaks the antibody-toxin-bond with water and heat. Afterwards the water is quantitatively and directly eluted into the HPLC sample loop.The results are more sensitive – ppt instead of ppb – and the throughput increases to 500 samples per week.


The new LCTech system, DEXTech,developed for dioxin analysis (PCDD/F and PCB) is suitable for all kinds of food and feed samples as well as environmental samples. The handy stand- alone device is easy to install and to operate. DEXTechrequires less solvents and time compared to manual sample preparation and savesadditional time by utilising the cost-efficient ready-to- use columns.


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Provider of High-Tech Tools Acquires New Company to Expand Growth


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Oxford Instruments (UK), a leading provider of high- technology tools for industry and research has recently acquired Andor. Andor is a market leading supplier of high performance cameras, microscope systems and software for the physical science and life science industries. Andor will continue to focus on growing their existing core markets and will spearhead Oxford Instruments strategic expansion into the Nano-Bio arena.


Jonathan Flint, Chief Executive of Oxford Instruments explains, “We want to be part of a future which sees the use of nanotechnology tools in the biological arena, for both analysis and eventually fabrication of bio materials. Andor brings extensive knowledge of this market, a range of innovative products and a strong brand that will accelerate our expansion into this new market for Oxford Instruments.”


For Andor, which becomes an Oxford Instruments company, joining the group means increased investment in R&D, expansion of its product range and the opportunity to broaden its reach into new markets and applications.


Managing Director, Conor Walsh, says, “We look forward to the challenges and opportunities that are ahead of us. Andor has a deserved reputation for innovation and excellence which will continue to be at the core of our growth and success as part of Oxford Instruments.“


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IET March / April 2014 www.envirotech-online.com


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The manual Model 440 is based upon Exeter Analytical’s proven static combustion elemental analyser incorporating a unique horizontal furnace design. This horizontal furnace enables easy removal of sample residue (metals, inorganics) between each material analysis thereby eliminating the possibility of contamination. In addition, the gas flow characteristics of the Model 440 analyser are superior to other elemental analysers due to the effective elimination of troublesome residue build-up over time. Consequently the Model 440 provides longer-term calibration stability as well as enhanced accuracy and precision for measured sample data.


For labs looking to determine sample ash content the horizontal furnace design of the manual Model 440 makes this analysis routine. The manual system also offers the flexibility for labs determining low level CHN samples to introduce higher sample weights and for those analysing refractory materials to treat them with higher levels of additives to ensure complete combustion. If your demand for CHN analysis grows the manual Model 440 can be upgraded at any point into a fully automated system.


Low gas and reagent consumption combined with high reduction tube life allows the manual Model 440 to deliver some of the lowest operating costs of any CHN elemental analyser commercially available. Intuitive Windows based operating software reduces human errors through incorporation of extensive automation, comprehensive customer help and diagnostic facilities. Most parts on the Model 440 are user replaceable further reducing operating costs and downtime.


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Within its core segment for analysis measuring technology, Analytik Jena AG (Germany) now offers with the PlasmaQuant PQ 9000 its first High-Resolution Array ICP OES (optical emission spectrometry using inductively coupled plasma) for multiple element analysis as part of its own technology portfolio. This method is routinely used for determining smallest element concentrations especially in environmental analysis, material research, metal or pharmaceutical industries. In the important markets for these products such as China, Japan and Thailand it was already launched in autumn 2013. In Germany, it will be introduced at the leading analytica industrial exhibition in April 2014.


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“The PlasmaQuant PQ 9000 has been developed to master the most complicated analytical challenges in emission spectrometry with the highest degree of precision, method flexibility and operating comfort. In doing so, we are building on our longstanding experience in the development of high-end spectrometers”, said Torsten Olschewski, General Manager of the Analytical Instrumentation business unit at Analytik Jena AG.


Technological advances in the product include the optical resolution, the plasma torch design and the generation and observation of the plasma. “With its array technology, excellent spectral resolution and the clever design of the plasma torch, the PlasmaQuant PQ 9000 is a specialist for demanding samples and complicated matrices. It is high-performing in identifying spectral interferences. Thus it permits a precise evaluation of analysis results of samples with high salt content or just traces of elements as well as of acids and bases,” Olschewski added.


The PlasmaQuant PQ 9000 also allows for the safe analysis of rare earth metals such as cerium, lanthanum, neodymium or samarium in silicate-containing minerals. The high salt contents in these minerals (silicates) are not a problem thanks to the technology of the PlasmaQuant PQ 9000 system. Spectral interferences caused by the high contents of these samples of main group elements such as sodium, aluminum or silicon can be detected with the help of high resolution and easily corrected.


Another application is the analysis of biodiesel for traces of metals such as sodium, potassium or manganese. These lead to foaming of the fuel and thus to unstable or lower performance as well as clogging of filters. Other trace elements to be controlled are phosphorus and sulphur, which are known as catalyst poisons. In addition, the sulphur dioxide produced during combustion is an environmental pollutant.


PlasmaQuant PQ 9000 offers: Clever bench-top design, Innovative high-end technology, Impressive analytical performance, High sample efficiency, Benchmark-setting operating comfort, Premium quality - “Made in Germany”


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Horizon Technology (USA) is pleased to announce the introduction of additional tube racks to further expand the capability of the very successful XcelVap Evaporation/Concentration System, introduced at PITTCON 2013. The XcelVap System can accept racks to hold tubes of a variety of sizes and shapes. Nitrogen nozzles can be changed or reconfigured by the user to simplify maintenance and increase versatility.


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Three new racks are being introduced, that will hold 54 12x75 mm-test tubes, 24 20-mL VOA, or 24 60-mL VOA vials. “The ability of accommodating a variety of racks rather than just one is very popular and we will continue to add racks as customers inform us of the choices they need”, added Zoe Grosser, Ph.D., Marketing Manager.


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New Addition to Technology Portfolio


Additional Tube Racks for Successful System


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