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Spectroscopy

SpectroscopySpectroscopy-05-01-2006
Volume 21
Issue 5

DigiSEP solid-phase extraction cartridges can reportedly capture, collect, and concentrate certain elements in complex matrices, collect metal ions from acid digestion matrices, separate heavy metals from oil and other organic matrices, collect and retain precious metals, and collect radioactive elements for the nuclear fuel industry. Specific lead and mercury cartridges are available. SCP Science, Champlain, NY; www.scpscience.com

Solid-phase extraction cartridges

DigiSEP solid-phase extraction cartridges can reportedly capture, collect, and concentrate certain elements in complex matrices, collect metal ions from acid digestion matrices, separate heavy metals from oil and other organic matrices, collect and retain precious metals, and collect radioactive elements for the nuclear fuel industry. Specific lead and mercury cartridges are available. SCP Science, Champlain, NY; www.scpscience.com

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Multinotch filters

Semrock's StopLine multinotch filters can reportedly eliminate unwanted laser light at two, three, and four wavelengths simultaneously. The filters are suitable for laser-based spectroscopy applications including Raman and fluorescence instruments, confocal and multiphoton fluorescence microscopes, and analytical and medical laser systems. They feature notch wavelengths that are not integer multiples of each other. Semrock, Rochester, NY; www.semrock.com

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Custom standards

Inorganic Ventures manufactures custom inorganic standards for applications including ICP, ICP–MS, AA, and IC. Standards are made according to user specifications, and come with an extensive certificate of analysis that details NIST traceability, certified values, and trace impurities. Reportedly, the company can ship 99% of its custom solutions in three days or less. Inorganic Ventures, Lakewood, NJ; www.inorganicventures.com

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NIR spectrometer

Avantes introduces the AvaSpec-NIR256 spectrometer for applications in the near infrared range, from 1000 nm to 2.2 μm. It is available with two InGaAs detector types, a noncooled version for applications up to 1.7 μm, and a two-stage Peltier-cooled extended InGaAs detector, covering a range up to 2.2 μm. The instrument features 256 pixels, a 50–mm focal length optical bench with an F-number of 2, and a USB2 interface for sampling of 940 spectra/s. Avantes, Boulder, CO; www.avantes.com

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IR spectrometer

The InfraSpec VFA-IR spectrometer from Wilks Enterprise is designed for portable mid-IR analysis. The instrument has no moving parts or optical path exposed to air, reportedly making it insensitive to environmental changes and suitable for on-site applications. Wilks Enterprise, Inc., South Norwalk, CT; www.wilksir.com

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NMR gas generators

Parker Balston's UDA NMR gas generators produce output flows exceeding 280 L/min of ultrapure dry compressed air. The generators can be used to provide NMR spindle gas and as a source for dry gas for automatic sample changers. Gas purity reportedly exceeds dew point levels found in conventional tank gas supplies. Parker Hannifin Corporation, Haverhill, MA; www.parker.com

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Raman spectrometer

The VERAX Raman spectrometer from InPhotonics is a fiber-coupled system designed for laboratory analyses, ranging from research to rapid sample verification to process development. The instrument, which can be used with the company's RamanProbe models, is configured for 785nm excitation, offers 4 cm-1 spectral resolution, and spans the 230–1800 cm-1 region. Different range/resolution combinations are available in the visible and near-infrared spectral regions to be used with various excitation lasers. InPhotonics, Inc., Norwood, MA; www.inphotonics.com

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Imaging spectrometer

The iHR550 imaging spectrometer from Horiba Jobin Yvon has a focal length of 0.55 m and can perform multitrack experiments with up to 20 fiber inputs. An asymmetric Czerny-Turner design together with an on-axis grating drive system reportedly eliminate incorrect and rediffracted spectra. There are two entrance and two exit ports available. Horiba Jobin Yvon, Edison, NJ; www.jobinyvon.com

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Mass Spectrometer

The Agilent 6410 Triple Quad mass spectrometer is designed for femtogram-level sensitivity. It features a parameter-free integrator in the data analysis software that automatically calculates quantity and a single point of software control for both LC and MS instruments. Agilent Technologies, Palo Alto, CA; www.agilent.com

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X-Ray spectrometer

Amptek's model X-123 X-ray spectrometer is a low power (1.2 W) module that includes an X-ray detector and preamplifier, a digital pulse processor, and a power supply. The spectrometer includes a USB or RS 232 computer connection and is designed to work with the company's detectors. Amptek, Inc., Bedford, MA; www.amptek.com

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XRF spectrometer

PANalytical's Axios-Metals wavelength dispersive, sequential XRF spectrometer is designed to meet the needs of users in the steel and metals industries. The system comes with NiFeCo-FP or Cu-base-FP application solutions, including templates and standards. It provides data across the elemental range from fluorine to uranium in concentrations from parts per million to 100 wt%. PANalytical, Natick, MA; www.panalytical.com

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Software

ReactionSleuth software from Remspec is designed for postprocessing of reaction monitoring datasets. The software works with multifiles in the spc format and offers PCA/Target transformation, peak-fitting capability, and 3D displays of real and synthetic datasets. Remspec Corporation, Sturbridge, MA; www.remspec.com

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Raman spectrometer

Avalon's RamanMicro-EZ Raman spectrometer combines the company's F/2 lens–based spectrograph, an Olympus CX21 microscope, a 785-nm laser (< 350 mW), and a low-noise cooled CCD camera. The instrument reportedly achieves a spectral range of 300–1800 cm-1 with a resolution of < 5 cm-1. The spot size at sample is <10 μm. Applications include research, forensics, art and conservation, teaching, pharmaceutical QA/QC, and SERS. Avalon Instruments, Boston, MA; www.avaloninst.com

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Spectroscopy software

Thermo Electron offers version 7.3 of its OMNIC Professional software suite for the company's FT–IR, Raman, and FT–NIR spectrometers. The software features 2D and 3D data visualization tools, programmable data collection events, and integrated data processing and analysis functions. Applications include hyphenated techniques such as TGA–IR and GC–IR, and conduction kinetics and rapid-scan experiments using FT–IR or Raman spectrometers. Thermo Electron, Waltham, MA; www.thermo.com

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Acid stills

SPEX CertiPrep's sub-boiling acid stills employ infrared heaters to distill impurities through surface evaporation without boiling. A single distillation can reduce most impurities below parts per billion. Acids are available in dimensions of 27W x 27D x 60H. The PTFE still handles all acids except sulfuric acid, and the Quartz still handles all acids except hydrofluoric acid. Both stills produce 50 mL/h of operation. SPEX CertiPrep, Metuchen, NJ; www.spexcsp.com

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Fluorometer

The MultiFrequency Phase fluorometer from Ocean Optics is designed to measure luminescence lifetime, phase, and intensity. The instrument features two-channel LED excitation, avalanche photodiode detection, and filter-based wavelength selection. It is suitable for oxygen-sensing applications and is available in one- and two-channel versions. Ocean Optics, Dunedin, FL; www.oceanoptics.com

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PDA spectrophotometer

The U-0080D photodiode array spectrophotometer from Hitachi is designed for biotechnology laboratories. It features standard DNA–RNA analysis software. According to the company, the instrument can scan the entire wavelength range in 0.05 s and can analyze trace amounts as low as 1 μL. Hitachi High Technologies America, San Jose, CA; www.hitachi-hta.com

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Extraction devices

Varian, Inc. offers two OMIX Array solid phase extraction devices for bioanalytical sample preparation. The micro extraction pipette tips for TOMTEC's Quadra instruments reportedly eliminate the need for vacuum processing. The 96-well plates feature small-bed processing capabilities in an SBS-compatible device designed to interface with standard 96-well liquid-handling equipment used in bioanalytical research. Varian, Inc., Palo Alto, CA; www.varianinc.com

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Cells and accessories

Hellma's BestCELLERS 2006 catalog contains information on common spectroscopy cells, immersion probes, secondary standards, microplates, and other accessories. It emphasizes the company's ultra-micro TrayCell for 4–5 μL and solid and liquid calibration standards. Hellma, Plainview, NY; www.hellmausa.com

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Concentric nebulizer

The C-Flow concentric nebulizer for ICP from Savillex Corporation is molded out of PFA and is chemically resistant to most matrices. The nebulizer is designed with a straight, fixed capillary and a one-piece gas port. According to the company, the nebulizer performs consistently at multiple flow rates and provides high sensitivity and low oxides. Savillex Corporation, Minnetonka, MN; www.savillex.com

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Elemental analyzer

The Eagle III XPL micro-EDXRF spectrometer from EDAX is now available with an optional primary-beam-filter accessory that reportedly improves detection limits. The spectrometer uses capillary optics, CCD video imaging cameras, and a motorized xyz stage for nondestructive small-spot analysis correlated with video imaging. Features include simultaneous detection of elements ranging from Na through U, and little or no sample preparation requirements. Typical applications include forensics, failure analysis, coating thickness-composition measurement, quality control, and chemical imaging. EDAX, Mahwah, NJ; www.edax.com

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Spectroscopic camera

Andor Technology's Newton electron multiplication CCD camera is designed to provide fast detection and single-photon sensitivity. According to the company, the camera's sensors have the ability to amplify very low light signals above the read noise floor of the CCD. The camera operates at readout speeds as high as 2.5 MHz. Other features include thermoelectric cooling to temperatures as low as -100 °C, a hard metal hermetic vacuum-seal, and a peak quantum efficiency of 95%. Andor Technology, Belfast, UK; www.andor.com

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RF coils

Glass Expansions' RF coils for ICP spectrometers are designed with consistent plating that reportedly extends coil life. Each coil is supplied on a plastic former in a container that maintains the correct dimensions. Copper, silver, and gold plated coils are available for ICP spectrometers from Thermo, PerkinElmer, and Varian. Glass Expansion, Inc., Pocasset, MA; www.geicp.com

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ATR accessory

The AccessATR from Harrick Scientific is designed for ATR measurements of solid, liquid and paste samples. The accessory is equipped with a built-in trough to contain liquids and a press for solid sampling. Harrick Scientific Products, Inc., Ossining, NY; www.harricksci.com

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Raman spectrometer

The battery-operated MiniRam Raman spectrometer comes with a 785-, 532-, or 1064-nm excitation laser. The spectrometer can collect spectra from 175 to >2500 cm-1, and includes a sampling probe for evaluation and identification of solids and liquids. B&W Tek, Inc., Newark, DE; www.bwtek.com

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Time-of-flight detector

BURLE Electro-Optics introduces its high-speed coaxial bipolar time-of-flight detector for mass spectrometry applications. The detector reportedly combines the temporal resolution of microchannel plate-based detectors with the coaxial capabilities of flat metal anode detectors. According to the company, features include flat microchannel plate input surface, extended dynamic range small-pore microchannel plates, bias up to ±10 kV, and system gains up to 107. BURLE Electro-Optics, Sturbridge, MA; www.burle.com

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Equipment and supplies

LabX is an on-line marketplace that connects professional buyers and sellers of scientific equipment and supplies. Since 1995, LabX has been a highly specialized business-to-business marketplace where scientific equipment and supplies can be purchased and sold. More than 60,000 registered members visit LabX to purchase and sell laboratory, medical, test and measurement, spectroscopy, semiconductor, and chromatographic products. LabX, Ontario, Canada; www.labx.com

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ICP-MS systems

Two ICP-MS instruments from Varian are designed for elemental analysis of complex samples. The model 810-MS and 820-MS instruments contain high-efficiency 90-degree ion optics and a double off axis quadrupole designed to provide low background noise and gigahertz sensitivity. The model 820-MS also includes the company's collision reaction interface, which reportedly enables the use of collision and reaction gases such as helium, allowing lower detection limits and more accurate quantitation for difficult elements in complex samples. Varian, Inc., Palo Alto, CA; www.varianinc.com

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NIR analyzers

Foss NIRSystem's XDS MasterLab and XDS MutliVial NIR analyzers are designed for rapid nondestructive measurements of tablets, liquids, and solids. The MasterLab analyzer can be used for automated reflectance or transmission analysis of a tray of multiple tablets or vials. An integrated variable spot-size feature enables adjustment of the sample illumination based on the diameter of the tablets and vials being used. The MultiVial analyzer can be used for automated sampling without transmission for tablets. Foss NIRSystems, Laurel, MD; www.fossnir-systems.com

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Ring laser

The Matisse tunable CW ring laser from Newport reportedly has inherent stability toward external mechanical and acoustic perturbations. The laser features active photonic elements and an electro-optic modulator for fast cavity-length stabilization. It can be configured for either Ti:sapphire or dye as the gain medium, and for spectral linewidths ranging from 10 MHz to < 50 kHz. Newport Corporation, Irvine, CA; www.newport.com

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Fiber-optic flow cells

RoMack introduces their new line of fiber optic flow cells designed for absorption and fluorescence measurements. The cells offer path lengths from 1 mm to 1 meter and cover the applications ranging from UV through NIR. Features include application in harsh environments, including high temperature and aggressive chemicals. RoMack, Inc., Williamsburg, VA; www.romackfiberoptics.com

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Raman microscopes

Horiba Jobin Yvon's LabRAM Raman microscopes combine Raman spectroscopy with near field optics and an atomic force microscope for material analysis in the 200–400 nm range. The LabRAM-HR NANO confocal Raman microscope system reportedly can achieve spatial resolution of 100 nm and can be used in the analysis of semiconductor materials and wafers. The LabRAM-INV NANO inverted Raman microscope system can be used in biological and life science applications. Horiba Jobin Yvon, Edison, NJ; www.jobinyvon.com

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Portable XRF analyzers

Innov-X's Alpha Series handheld X-ray fluorescence analyzers are designed to provide fast, precise, and nondestructive elemental identification in materials ranging from plastics, soils, and alloys to liquids, powders, and coatings. Applications include electronics RoHS/WEEE screening, scrap metal recycling, quality assurance of precious metals, and environmental monitoring. Innov-X Systems, Woburn, MA; www.innov-xsys.com

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Handheld Raman

Ahura's Identifier handheld Raman instrument is designed for in-the-field identification and verification of liquid and solid samples. The instrument weighs less than 4 lb. It is reportedly chemically resilient, operates through glass or plastic, avoids contamination, requires no calibration or consumables, and is ready for use within seconds of turn-on. Ahura Corporation, Wilmington, MA; www.ahuracorp.com

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Heat chamber

The cells in the HT/HP heat chamber for PIKE Technologies' diffuse reflectance accessory are able to reach temperatures up to 900 °C and pressures up to 1500 psi. The cells reportedly are evacuable to 1 x 10-6 torr and allow reactive gas flow for chemical synthesis studies. PIKE Technologies, Madison, WI; www.piketech.com

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Benchtop XRF analyzer

The PHOENIX II benchtop polarized XRF analyzer from SPECTRO is suitable for measuring elements ranging from magnesium through uranium in liquids, solids, and powders. The instrument combines a 48-kV tube and polarized source x-rays with a gas-filled proportional counter detection system. X-ray filters separate the spectral peaks of elements with adjacent atomic numbers. SPECTRO Analytical Instruments, Inc., Marlborough, MA; www.spectro.com

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LC–MS software

ACD/Labs introduces ACD/IntelliXtract LC–MS software designed for automatic molecular weight determination, component extraction, and sample comparison. The software considers ion adducts, multimers, 12C/13C ratios, isotopes, neutral losses, and fragment ions to provide accurate molecular ion identification. Advanced Chemistry Development, Inc., Toronto, Canada; www.acdlabs.com

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Raman microscope

Renishaw offers its Raman microscope with additional confocal laser scanning microscopy capabilities. The confocal laser scanning (CLS) microscope is designed to combine the imaging, resolution, contrast, and optical sectioning capabilities of CLS microscopy with the characterization power of Raman spectroscopy. Renishaw, Hoffman Estates, IL; www.renishaw.com

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High purity salts and solutions

GFS Chemicals uses its high purity acids to manufacture salts and solutions used in trace metal analysis. According to the company, a metals basis purity of 99.999% characterizes many of its matrix modifiers and ionization buffers, such as NH4H2PO4, NH4NO3, Ni(NO3)2:6H2O, Mg(NO3)2:6H2O, Pd(NO3)2:H2O, LaCl3:7H2O, La(NO3)3:6H2O, KCl, KNO3, and LiNO3. GFS Chemicals, Inc., Powell, OH; www.gfschemicals.com

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Spectrometers

PerkinElmer's Spectrum 100 FT-IR and 100N FT-NIR spectrometers are designed with a UATR accessory that is designed to offer higher efficiencies for the analysis of a wide range of samples. The instruments also feature a fiber-optic NIT probe, an updated version of the company's Spectrum and AssureID software packages, and a Go Button feature, which reportedly allows continuous analyses of multiple samples at the instrument. PerkinElmer, Wellesley, MA; www.perkinelmer.com

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Excimer lasers

Photon Machines introduces the ATLEX excimer lasers. The instruments are air-cooled, capable of operating at rates up to 500 pulses/s, and available at wavelengths of 157, 193, 248, 308, and 351 nm. Applications include TOF, spectroscopy, test instrumentation, micromachining of MEMS, microfluidics, LIGA, medical devices, and OLEDs. Photon Machines, San Diego, CA; www.photon-machines.com

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UV–vis–NIR spectrometer

StellarNet's UVN-Super-Range spectrometer is designed to have a wavelength range of 200–110 nm with a high speed USB2 interface. The instrument features a 2048-element detector array with the company's eXtreme grating optics, which reportedly provide a resolution of better than 0.75 nm. StellarNet, Tampa, FL; www.stellarnet-inc.com

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Mercury analyzer

Buck Scientific's model 410 mercury analyzer is designed for the analysis of trace levels of mercury in drinking, surface, and saline waters, as well as domestic and industrial wastes. The instrument achieves detection limits of 10 ppt/absolute mass 0.0025 mg with a 400-mm flowcell. Buck Scientific, East Norwalk, CT; www.bucksci.com

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Near-infrared analyzers

NIR analyzers from Thermo Electron include the Antaris Target Blend analyzer for real-time analysis of pharmaceutical blending processes, the Antaris II for making measurements at production point-of-use or in real-time processes, and the Antaris MX and EX FT-NIR analyzers for process control applications. The analyzers are designed to provide simultaneous multipoint measurements. Thermo Electron, Waltham, MA; www.thermo.com

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Dissolution tester

Jasco's model DT-810 dissolution tester is designed to provide fully automated dissolution testing of up to eight samples with either the standard paddle method or the optional rotating-basket method. The tester offers a circular design for uniform water temperature and an automatic centering mechanism that provides hands-free positioning of the dissolution vessels and drive shafts. Jasco, Inc., Easton, MD; www.jascoinc.com

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Echelle spectrograph

The SpectraPro HRE echelle spectrograph from Princeton Instruments/Acton is designed for general spectroscopy as well as laser-induced breakdown spectroscopy. The spectrograph is designed to sample continuously wavelengths ranging from 190 to 1050 nm. The spectrograph is designed to work with the company's camera systems and to be controlled by the company's WinSpec software. Princeton Instruments/Acton, Trenton, NJ; www.piacton.com

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High-voltage module

Spellman High Voltage introduces the model MX10 high-voltage module for mass spectrometry. The DC-DC converter features hot switchable polarity reversal at 10 kV between 100 and 250 ms, and low peak-to-peak ripple performance. Applications include security detection systems, LC–TOF dynodes, sample ionization, as well as capillary electrophoresis and electrostatic printing. Spellman High Voltage, Hauppauge, NY. www.spellmanhv.com

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Transportable ICP spectrometer

The Prodigy-Mobile Lab transportable simultaneous ICP spectrometer from Teledyne Leeman Labs is designed to provide accessibility to laboratory-quality ICP-AES instrumentation in field operation. The spectrometer includes an integral suspension system to isolate the instrument from drive train, road, and shock hazards. Teledyne Leeman Labs, Hudson, NH; www.leemanlabs.com

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