Analytical Instrumentation 41
Compact FT-NMR with Permanent Magnet Offers High-Resolution Spectra and Outstanding Ease of Use
At the American Chemical Society (ACS) Fall Meeting, Bruker (USA) recently announced the Fourier 60, an entirely new permanent-magnet based, benchtop FT- NMR (Fourier Transform Nuclear Magnetic Resonance) spectrometer. Combining safety, efficiency, usability, ergonomics and performance, the Fourier 60 is well
suited for chemistry education at colleges and universities, as well as for industrial and applied markets. It is driven by many of the same core technologies and know-how developed by the NMR market leader over many years, and is running Bruker’s industry-leading NMR software TopSpin. This combination makes the Fourier 60 a powerful and reliable NMR teaching instrument, with the high data quality and sensitivity suitable for the analysis of small molecules in chemistry, food, polymers, petrochemicals and many other industries.
The Fourier 60 is an ergonomic benchtop NMR system, with easy sample introduction and an option for automatic sample changes. It offers best-in-class resolution, a built-in pressurised air supply and an option for variable sample temperature control. The use of advanced, cryogen-free, permanent magnet technology results in a small footprint and low weight for easy siting on standard lab benches. Both the TopSpin operating and integrated analysis software, as well as the industry- standard 5 mm NMR sample tube format are fully compatible with superconducting NMR systems. This guarantees proven ease of use, and an easy transition for students to higher field instruments, which they may encounter in their careers. Moreover, this ensures full compatibility between routine and research instruments in academic research and industrial settings, as NMR samples and data are fully compatible.
“The Fourier 60 is ideal for the academic teaching lab, as it offers high performance and flexibility, as well as ease of use and robustness that both educators and students can rely on. The inclusion of Bruker’s TopSpin software provides the ideal platform for intuitive learning and swift progression to more challenging experiments,” commented Professor emer. Dr. Peter Bigler, Department of Chemistry and Biochemistry at the University of Bern, Switzerland.
“Our goal was to deliver excellent all-around usability to our customers, and to create an affordable, best-in-class benchtop FT-NMR spectrometer,” said Dr. Thomas Bocher, Business Unit Manager for Compact Magnetic Resonance at Bruker BioSpin. “For more than 50 years Bruker’s passion has been to provide the best NMR instruments in the world. With the introduction of the FOURIER 60, Bruker now offers the best-in-class, permanent magnet-based, benchtop FT-NMR spectrometer.”
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1052ad@reply-direct.com Versatile Extractions
Extraction of semivolatile compounds or Oil & Grease, compliant with modern regulatory methods, can be automated using the SPE-DEX 4790 Extraction System from Horizon Technology (USA).
Solid phase extraction (SPE) provides advantages over older methods such as liquid-liquid extraction and allows more automation to be incorporated into the process. A large diameter, straight fluid- flow path combined with solid phase disk
technology makes the SPE-DEX 4790 Extraction System fast and easy to keep clean, and tolerant of extremely dirty samples.
In addition to delivering accurate, more consistent results, automated SPE slashes both sample processing times and solvent consumption while yielding far more consistent results.
The SPE-DEX 4790 Extraction System is ideal for the extraction of: Ground water; Wastewater; Drinking water; Leachate; Process water (influent and effluent); Surface and sea water.
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Online System Trap Gas Chromatography FID Coupled to Mass Spectroscopy
Chromatotec (France) has increased its expertise in gas analysis and its field of analysers by developing a new GC/MS analyser for continuous VOC surveillance in the atmosphere.
This system uses the same trap, thermo-desorption and separation technologies as current GCs analysers. However, a Quadrupole is used in addition to the FID. The FID quantifies and identifies according to the retention time, whereas, the mass spectroscopy analyser measures the mass of analysed ions. The combination of these two detectors has resulted in an improvement in gas analysis expertise.
This system is designed for industrial application. The instrument may be inserted in a 19’’ rack and can be controlled remotely from another computer. It will now be possible to analyse a new range of compounds with this system. A demonstration instrument is currently running in Chromatotec's laboratory analysing VOC in the atmosphere. For this arrangement, a calibration system is used along with a zero air and a hydrogen generator. Possible applications include monitoring of VOCs (BTEX, phenol, etc), PAH (benzo(a) pyrene), chloride compounds (chlorobenzene and PCB), dioxin, and leak detection in clean air room.
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See beyond complex water analysis.
Additional kits available for over 50 analytes.
The most reliable ppb D.O. test is also the simplest. CHEMetrics’s ppb D.O. visual test is ASTM’s primary reference standard for detecting dissolved oxygen in water, offering sensitivity to 1 ppb, no false negatives and no instrument calibration. If the world leader in technical standards approves the CHEMetrics method, shouldn’t you? Find out more...
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1060ad@reply-direct.com ANNUAL BUYERS’ GUIDE 2014 •
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Determination
ppb D.O.
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