Environmental Laboratory
New FTMS System Offers Switchable LC and GC Sources and True Triple Quadrupole Capabilities
Jun 18 2008
The system takes advantage of Varian's expertise in LC/MS and GC/MS by incorporating a true triple quadrupole mass spectrometer with its own off axis ion detector independent of the FT cell in the magnet. The choice of two detectors enables users to gather more types of information with a single instrument. In addition to the high resolution and mass accuracy available from the FT detector, users can acquire data from typical triple quadrupole experiments such as neutral loss, multiple reaction monitoring and quantitation.
Historically, FTMS has been primarily used in conjunction with liquid chromatography. The switchable LC/GC interface for the ionization source lets users perform either type of analysis in the same laboratory. The 920-MS employs a unique isolation valve (patent pending) that allows rapid changing (e.g. GC to LC) or maintenance of ion sources without the long down time required when venting the ultra high vacuum FTMS portion of the system to atmospheric pressure. A unique dual cart design is available on the 920-MS. This accommodates multiple instrument configurations, including electrospray and MALDI, with a single magnet.
âThe integration of a Varian triple quadrupole mass spectrometer into our existing FTMS system delivers truly information-rich detection to our customers,â said Martin OâDonoghue, Senior Vice President, Scientific Instruments, Varian, Inc. âWe have combined our technologies to provide scientists withmore experimental choices and capabilities in a single instrument.â
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