Featured products from the spectroscopy marketplace.
Spectrofluorometer
HORIBA Jobin Yvon's FluoroMax-4 benchtop spectrofluorometer reportedly features a sensitivity of at least 400,000 cps for the water-Raman peak at 397 nm and a signal-to-noise ratio of 3000:1 minimum. According to the company, the spectrofluorometer uses an ozone-free xenon arc lamp for broadband coverage from the UV to near-IR. Optional accessories include automatic polarizers, a stopped-flow device for kinetics, a microwell-plate reader, and an autotitrator. HORIBA Jobin Yvon, Edison, NJ; www.jobinyvon.com
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ATR accessory
PIKE Technologies' grazing angle option for its VeeMAX II ATR accessory is designed to aid in the analysis of monomolecular layers on silicon to obtain FT-IR spectra. The accessory reportedly provides high throughput to cut down on sampling time and facilitate detection of the monomolecular layers of silicon without utilizing a liquid nitrogen–cooled detector. Crystal options for the accessory include ZnSe, ZnS, and Si. PIKE Technologies, Madison, WI; www.piketech.com
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Scientific digital camera catalog
A catalog from Andor Technology provides an overview of digital camera technology, confocal microscopy, and spectrographs, and offers an application section showing where the company's products are being used in the field. Scientific Digital Camera Solutions also includes a section on fundamentals and the theory of light. Andor Technology, South Windsor, CT; www.andor.com
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Fully demountable ICP torches
With Glass Expansion's fully demountable ICP torches, the outer, inner, and injector tubes can be individually replaced. Versions are available for the PE Optima 4300V and 5300V and 3000 Radial spectrometers. The torches are designed for high-maintenance petrochemical applications and can be fitted with optional long-life ceramic inner, outer, and injector tubes. Glass Expansion, Inc., Pocasset, MA; www.geicp.com
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FT-IR and FT-NIR imaging
Perkin-Elmer's Spotlight 400 FT-IR and 400N FT-NIR imaging systems are designed to collect multiple chemical pictures in a single operation, provide sampling and spatial resolution flexibility, and enable longer unattended operating time. Options include a tablet autosampler, enlarged detector cooling storage, and larger sampling areas. Perkin Elmer, Wellesley, MA; www.perkinelmer.com
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Optical fiber assemblies
XSR Xtreme Solarization-resistant optical fiber assemblies from Ocean Optics are designed for deep-UV applications (< 300 nm), signal transmission to 180 nm, and resistance to UV degradation. The fiber assemblies are available in core diameter sizes of 235 μm and 455 μm and in standard lengths of 25 cm, 1 m, and 2 m. Each assembly has an aluminum coating, stainless steel BX jacketing, and SMA 905 Connectors. Ocean Optics, Dunedin, FL; www.oceanoptics.com
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Portable analyzer
The NITON XLt 797X portable analyzer from Thermo Electron is designed to rapidly screen metals, polymers, and components for RoHS, ELV, and WEEE compliance screening. The device's small sample measurement capability reportedly allows users to isolate and analyze solder joints and small components on populated circuit boards as well as other heterogeneous materials. Thermo Electron Corporation, Waltham, MA; www.thermo.com
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Solid-state lasers
Melles Griot introduces single-frequency, low noise, diode-pumped solid-state lasers designed to provide options to traditional air-cooled krypton–argon ion lasers. The lasers produce up to 25 mW at 56 nm and up to 15 mW at 473 nm. They also reportedly have a nearly circular (<1.1:1 aspect ratio), linearly polarized beam with an M2 factor of less than 1.2. Melles Griot, Carlsbad, CA; www.mellesgriot.com
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Power supply
The TOF3000 power supply from Spellman is designed for mass spectrometry applications, reportedly providing 0-30 kV at 400 μA with 70 mV peak to peak of ripple and noise. The unit also has a remote TTL-controlled output polarity reversing capability. Spellman High Voltage, Hauppage, NY; www.spellmanhv.com
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Scientific UV laser
The Spectra-Physics Lasers division of Newport Corp. has introduced the Explorer Scientific, a low power intra-cavity tripled and actively Q-switched diode-pumped solid-state laser that delivers pulse energies of up to 120 μJ in the UV (349 nm). The Class 3B UV laser reportedly can be operated at frequencies ranging from single-shot up to a 5-kHz pulse repetition frequency at variable pulse energies. Newport Corporation, Irvine, CA; www.newport.com
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GC–MS system
Agilent's 5975B GC–MS system features an oil-free vacuum pump, fully integrated CTC PAL sample injectors, enhanced data analysis with a wide range of quantitative tools, and synchronous SIM/scan. The system also includes the company's SemiQuant feature, which is designed to provide a fast, automated estimate of the concentration of noncalibrated compounds in samples. Agilent Technologies Inc., Palo Alto, CA; www.agilent.com
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Cuvette
The TrayCell cuvette from Hellma reportedly uses the surface tension of 4 μL of sample to form a repeatable optical path of 1 mm +/- 0.02 mm. According to the company, it is compatible with most spectrophotometers, operates at temperatures ranging from 5 °C to 50 °C, and has a wavelength range of 190–800 nm. Applications include biotechnology, drug discovery, and forensics. Hellma, Plainview, NY; www.hellmaUSA.com
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Dual readhead encoding
The DSi dual SiGNUM interface encoder from Renishaw combines two SiGNUM SR readheads for high accuracy with an angularly repeatable and customer located propoZ reference position, which is unaffected by bearing wander or switch-off. According to the company, the encoder combined with the REXM ring offers better than +/-1 arc second total installed accuracy. The encoder reportedly can operate at speeds as high as 4500 rpm and temperatures as high as 85 °C. Renishaw, Hoffman Estates, IL; www.renishaw.com
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Digital pulse processor
Amptek's PX4 reportedly combines a digital pulse processor, a power supply, a shaping amplifier, and a multichannel analyzer. It is compatible with the company's XR-100 detectors and detectors from other manufacturers. The processor is software-driven and has 24 programmable peaking times between 0.8 and 102 μs. Amptek, Inc., Bedford, MA; www.amptek.com
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Ellipsometer
The J.A. Woollam Company's alpha-SE ellipsometer reportedly features 180 wavelengths from 380 nm to 900 nm and automatically aligns, measures, and analyzes thin films. The ellipsometer's software enables users to model advanced features such as index gradients, anisotropy, and Mueller-matrix data. J.A. Woollam Co., Inc, Lincoln, NE; www.jawoollam.com
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LC–MS gas generation system
The SOURCE LCMS-500 series from Parker Balston produces nitrogen, zero air, and exhaust pump gases by using a combination of a compressor with filtration, catalysts, and membrane separation. The system reportedly uses a non-piston-compressed air supply filtered by high-efficiency coalescing filters to remove contaminants as small as 0.01 μm in diameter. Parker Balston, Haverhill, MA; www.parker.com
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NIR miniprobes
Specac's Prospect fiber-optic transmission probes are designed for NIR process applications. Constructed of stainless steel and using gold/nickel bonding with sapphire windows, the probes are reportedly capable of operation at temperatures as high as 250 °C and pressures as high as 100 bar. The probes are available with pathlengths of 1, 2, and 5 mm with probe lengths of 100, 200, and 500 mm. Specac Inc., Woodstock, GA; www.prospect-analytics.com
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Portable IR spectrometer
The InfraSpec VFA-IR spectrometer from Wilks Enterprise is designed to accurately measure the blend ratio of biodiesel in diesel fuel. Percent concentration results are displayed on a PC in less than 1 min. The spectrometer utilizes attenuated total reflection sampling to make the analysis. According to the company, the measurement range is 0.05–100% with an accuracy of 0.05% of scale. Wilks Enterprise, Inc., South Norwalk, CT; www.wilksir.com
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Laser diode module
The fiber-coupled DFB IQμ4x(760-5) laser diode module from Power Technology is designed for applications such as fluorescence, spectroscopy, interferometry, high-resolution printing, display, and microscopy. According to the company, at 760 nm, the module emits 5 mW of output power with a spectral width of 2 MHz. The module also features an on-board menu-driven microprocessor. Power Technology, Inc., Little Rock, AR; www.powertechnology.com
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Optical filters catalog
Semrock has released a 48-page full-color catalog for 2006–2007, featuring filters for applications such as fluorescence instrumentation and microscopy, Raman instrumentation, and biomedical laser systems. The catalog offers many new multi- and single-band bandpass filters, as well as triple-, dual-, and single-edge diochroic beamsplitters, along with the company's BrightLine, StopLine, and MaxDiode filters. Semrock, Inc., Rochester, NY; www.semrock.com
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ICP application note
An application note from Teledyne Leeman labs describes the time resolved data acquisition capabilities of the company's Prodigy ICP spectrometer. According to the company, time resolved analysis is important to many applications, including element-specific chromatographic separations and spatially resolved laser ablation experiments. Teledyne Leeman Labs, Hudson, NH; www.LeemanLabs.com
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Cryogenic mill
The 6770 Freezer/Mill cryogenic mill from SPEX SamplePrep comes with a touch-screen interface, a removable control panel, and on-board self-diagnostics. The mill embrittles samples by immersing the grinding vial in liquid nitrogen, and then pulverizes them with a magnetically driven impactor. Applications include preparation of samples for DNA–RNA extraction from plant and animal tissue, trace-element analysis of hair, screening of asbestos-containing materials, pharmaceutical research, diffraction studies of soft materials, and food analysis. SPEX SamplePrep, Metuchen, NJ; www.spexcsp.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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UV-Vis-NIR spectrophotometers
JASCO's V-600 UV-vis-NIR spectrophotometers include features such as an automatic accessory recognition function and, for conducting routine measurements, an immediate start function. Five models are available, ranging from a general-purpose instrument to a spectrophotometer designed specifically for life science applications. JASCO Inc., Easton, MD; www.jascoinc.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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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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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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Electron multiplier
BURLE Electro-Optics' Extended Dynamic Range MAGNUM electron multiplier reportedly offers extended linearity over a wider current range, higher count rates, and lower noise compared with OEM electron multipliers. It is designed to provide high dynamic range, increased gain stability, and near elimination of feedback noise. A proprietary glass formulation reportedly facilitates long detector life. BURLE Electro-Optics, Sturbridge, MA; www.burle.com
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Portable Raman spectrometer
Enwave's EZRaman-M field-portable Raman system is designed for use in forensic and security applications, surface-enhanced Raman spectroscopy, and educational and research laboratories. The system features a 785-nm frequency-stabilized laser and spectral coverage of 250-2300 cm-1. Enwave Optronics, Inc., Irvine, CA; www.enwaveopt.com
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Raman probes
InPhotonics' RPI Raman fiber-optic probes are designed for installation in chemical and pharmaceutical manufacturing facilities. Probes are available up to 2 in. in diameter with any size ANSI/DIN flange and several feet in length for suitable positioning in the reaction vessel. According to the company, the design reduces optical losses over such long lengths. The probes can withstand pressures as high as 3000 psi and temperatures as high as 250 °C. The probe features two backup containment fields, compatibility with NEC and ATEX regulations, and a purged junction box. InPhotonics, Inc., Norwood, MA; www.inphotonics.com
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Multichannel modular system
Avantes' AvaSpec USB2.0 modular system for multichannel fiber-optic spectrometers can reportedly be configured as a single, dual, triple, quadruple, or multichannel instrument with as many as 127 spectrometer channels. According to the company, the simultaneous data sampling allows fast read-out and enables monitoring of pulsed light sources with different channels evaluating the same pulse. Avantes, Boulder, CO; www.avantes.com
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Software
VISION 3.40 software from FOSS is designed for use with process and laboratory NIR instruments. It is 21 CFR 11 compliant, offers PAT support, and has database and spreadsheet compatibility. The electronic manual offers hands-on tutorials for users. FOSS NIRSystems, Inc., Laurel, MD; www.foss.dk
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Brochure
PI/Acton offers a brochure with a complete product list that also features applications for the products. The brochure contains information about products such as camera systems, spectrometers, optical designs, spectroscopy software, and hybrid sensors. PI/Acton, Trenton, NJ; www.piacton.com
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Consumables catalog
Analytical Sales has published a catalog titled A World of Solutions: Products for Chromatography. The catalog includes the company's line of chromatography-related consumables and disposables. Analytical Sales and Services, Inc., Pompton Plains, NJ; www.analytical-sales.com
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Table-top press
International Crystal Labs introduces the E-Z Quick Table Top press. It is constructed from stainless steel, chrome-plated steel, and anodized aluminum. According to the company, the press mounts vertically, which enables the use of body weight and shoulder muscles. The press uses the 7-, 4-, and 2-mm die sets that are used in the company's Quick Press and Port-A-Press presses. International Crystal Laboratories, Garfield, NJ; www.internationalcrystal.net
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ICP Emission spectrometer
Shimadzu's ICPE-9000 Multitype ICP Emission Spectrometer is designed to analyze substances ranging from metals to pharmaceuticals. The product's vacuum spectrometer is equipped with semiconductor detectors as well as mini-torch technology which reportedly reduces argon gas consumption. Shimadzu Scientific Instruments, Columbia, MD; www.ssi.shimadzu.com
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Fiber-optic sampling accessory
The FST-500 near-infrared sampling system from Axiom Analytical is designed to provide a continuously variable pathlength ranging from contact up to 6 cm for samples including free-standing pliable samples, liquids, rigid solids, and packaged samples. The accessory utilizes a fixed optical probe and a movable optical probe to send and receive radiation from an NIR spectrometer. Axiom Analytical, Inc., Irvine, CA; www.goaxiom.com
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FT-IR Analysis of pH and Xylitol Driven Conformational Changes of Ovalbumin–Amide VI Band Study
November 21st 2024This study uses Fourier transform infrared (FT-IR) spectroscopy to analyze how the globular protein ovalbumin's secondary structures transition under varying pH conditions in the presence of the cosolvent xylitol, highlighting the role of noncovalent interactions in these conformational changes.
New Fluorescent Raman Technique Enhances Detection of Microplastics in Seawater
November 19th 2024A novel method using fluorescence labeling and differential Raman spectroscopy claims to offer a more efficient, accurate approach to detect microplastics in seawater. Developed by researchers at the Ocean University of China, this method improves both the speed and precision of microplastic identification, addressing a key environmental issue affecting marine ecosystems.
The Impact of LIBS on Space Exploration: Lunar and Asteroid Exploration
November 19th 2024Laser-induced breakdown spectroscopy (LIBS) is being used frequently in space exploration missions. In this article, we review how LIBS is being used to increase our knowledge of the Moon and certain asteroids.