TOF mass spectrometers
The Xevo G2-S QTof and Xevo G2-S Tof benchtop time-of-flight mass spectrometers from Waters are designed with the company's StepWave ion optics and off-axis ion source technology. According to the company, the systems are as much as 20× more sensitive than earlier-generation instruments and critical components stay clean longer.
Waters Corporation, Milford, MA;
The Alpha IV 100-W, high-voltage 19-in. rack-mounted power supply from ITT Exelis is designed for use in test and research in mass spectrometry, surface science, and nuclear applications. According to the company, the power supply uses solid-state switching techniques for fast polarity reversal.
ITT Exelis, McLean, VA;
On-line solid-phase extraction
The SPExos system from Gerstel is designed to perform on-line solid-phase extraction with minimized carry-over. According to the company, cartridges contain 50 mg of sorbent and can be inserted directly into the HPLC mobile phase for elution and quantitative transfer of analytes to the column.
Gerstel, Inc., Linthicum, MD;
General-purpose SPEXQuE QuEChERS kits from SPEX CertiPrep are available for AOAC 2007.1 and EN 15662 methods. According to the company, the kits include a set of internal standards for GC, GC–MS, and LC–MS.
SPEX CertiPrep, Metuchen, NJ;
Chromatography data system
Thermo Fisher Scientific's Dionex Chromeleon 7.2 CDS chromatography data system is designed to support mass spectrometry along with mainstream front-end separation techniques. According to the company, the software provides support for the company's single- and triple-quadrupole GC–MS instruments and for central processing, reporting, storage, and management of LC–MS data.
Thermo Fisher Scientific, Waltham, MA;
Mass selective detector
The Agilent 5977A series GC mass selective detector reportedly has a redesigned inert MS ion source that enhances performance with efficient ion collection. According to the company, the detector uses the company's TwisTorr 304 FS turbomolecular pump, which is optimized for light gas operation.
Agilent Technologies, Santa Clara, CA;
An ion mobility spectrometry (IMS) analyzer from Photonis is designed for simple integration with most spectrometers. According to the company, the analyzer combines the company's resistive glass products with an ion gate design to create a compact platform that can be scaled or customized to interface with a variety of instruments for IMS analysis that can be performed at room temperature.
Photonis, Sturbridge, MA;
Shimadzu's GCMS-TQ8030 gas chromatograph–triple-quadrupole mass spectrometer is designed for multiple reaction monitoring measurements by GC–MS-MS and for scan and SIM measurements by GC–MS. According to the company, the instrument provides measurement modes that include MRM, scan, combination scan–MRM, neutral loss scan, and others.
Shimadzu Scientific Instruments Inc., Columbia, MD.
Portable GC–MS system
The Tridion-9 portable GC–toroidal mass spectrometry system from Torion is designed for field GC–MS applications. The system reportedly combines an electronic pressure controlled gas chromatograph with an amplitude scanning toroidal ion-trap mass spectrometer. According to the company, the system can be used with SPME syringes for sample introduction.
Torion Technologies Inc., American Fork, UT;
VICI Valco's Cheminert C72 ultrahigh-pressure UHPLC injector is designed with a stator coating that permits pressures up to 15,000 or 20,000 psi. According to the company, the instrument is available in four-, six-, eight-, and 10-port configurations, with a bore diameter of 0.004, 0.006, or 0.010 in.
Valco Instruments Company, Inc., Houston, TX;
Pesticide analysis system
The PesticideScreener system from Bruker is designed for multiresidue analysis of pesticides in food and feed. According to the company, the system includes UHPLC and QTOF-MS hardware, applications software, and LC–MS methods. The system also includes a database that includes retention times for the matched UHPLC method; adduct information; isomer information; fragment ion information; isotopic confirmation; and qualifier ions for "one-shot" confirmation in broadband MS-MS mode.
Bruker Daltonics, Billerica, MA;
Ion source and interface
The DART GSX system from IonSense is designed to enable chemists with Agilent GC–MSD instruments to add direct analysis in real time (DART) capability. According to the company, the system includes a DART G12 source and the GSX interface. The source reportedly enables thermal desorption analysis at a range of temperatures.
IonSense, Inc., Saugus, MA;
Plate sampling system
MicroLiter's plate sampling system of microplates, glass inserts, µLmats, and caps with chromatography-based septa are designed to provide secure vessels to maintain volatile samples. According to the company, the system's polypropylene µLplates have a variety of closures that will stabilize the sample during the analytical sample run and, if necessary, reseal after the sample has been injected.
MicroLiter Analytical Supplies, Inc.,
Suwanee, GA; www.microliter.com
PerkinElmer's Flexar photodiode-array detector is designed to provide a wide detection range, low baseline noise, wavelength accuracy, and a fast data acquisition rate. According to the company, the detector is suitable for tandem use with other detectors and is compatible with third-party chromatography data systems.
PerkinElmer, Waltham, MA;
Sample preparation–LC system
Thermo Fisher Scientific's Prelude SPLC sample preparation and liquid chromatography system is designed to work with the company's mass spectrometers, automating sample preparation and increasing throughput. According to the company, the system has two channels of HPLC separation, and it is capable of gradient operation at flow rates of 1–2000 µL/min.
Thermo Fisher Scientific, San Jose, CA;
Purification method scouting software
The Method Toolbox software from Shimadzu is designed to assist with method optimization. According to the company, the software allows chemists to analyze up to 96 methods, 16 mobile phase solvents, and six columns, all in one batch.
Shimadzu Scientific Instruments, Columbia, MD;