Product Resources

June 1, 2009

Spectroscopy

Volume 24, Issue 6

Product Resources

UV–vis spectrophotometer

Shimadzu Scientific Instruments' BioSpec-nano UV–vis spectrophotometer is designed for the quantitation of nucleic acids. The instrument reportedly requires a sample volume of 1 μL, for a pathlength of 0.2 mm, or 2 μL, for a pathlength of 0.7 mm. The sample is pipetted onto the instrument's measurement plate. According to the company, sample measurement time is 3 s. The instrument includes dedicated software for operational functions. Shimadzu Scientific Instruments, Columbia, MD;

www.ssi.shimadzu.com

Portable Raman instrument

The portable EZRaman-I instrument from Enwave is designed to provide approximately 50 times better sensitivity than most other portable Raman instruments. According to the company, the instrument's spectral resolution is approximately 6 cm–1 and its spectral range is 100–2000 cm–1. Enwave Optronics, Inc., Irvine, CA;

www.enwaveopt.com

Spectrophotometer sample compartment

A large-sample compartment from Hitachi is available for the company's model U-3900 and U-3900H research-grade UV–vis spectrophotometers. The sample compartment accessory adds the capability for the reflectance and transmission measurement of solid samples. The unit reportedly is stackable on top of the spectrophotometer system and can be used with specular reflectance accessories. According to the company, the compartment accommodates samples as large as 120 mm in diameter for transmission and 50 mm in diameter for reflectance. Hitachi High Technologies America, Inc., San Jose, CA;

www.hitachi-hta.com

ATR accessory

The GladiATR Vision attenuated total reflection device is designed to couple small-area infrared analysis with simultaneous viewing. According to the company, the device's diamond crystal enables analysis of thick or nontransparent samples. The accessory reportedly is compatible with most FT-IR spectrometers. Pike Technologies, Madison, WI;

www.piketech.com

Silicon drift detector

The XR-100SDD Silicon Drift Detector (SDD) from Amptek reportedly enables extremely high count rate applications with high energy resolution. According to the company, the product is designed for XRF applications from OEM handheld instruments to benchtop analyzers. Amptek, Inc., Bedford, MA;

www.amptek.com

ATR sampling accessory

The PenetrATR sampling accessory for angle-resolved attenuated total reflection (ATR) measurements from Rare Light is designed to work with all FT-IR spectrometers. The ATR accessory reportedly provides a highly collimated beam with a divergence that is controllable with the use of a spatial filter. According to the company, the accessory also includes a nanorotation stage with a millidegree of angular resolution. Rare Light, Inc., Pleasanton, CA;

www.rarelight.com

Raman microscope

HORIBA Scientific's XploRA Raman microscope is designed to combine microscopy and chemical analysis for use in R&D, QA/QC, and forensic laboratories. According to the company, the instrument performs nondestructive analysis at atmospheric conditions with no sample preparation. Software modules include a Guided Operation wizard. HORIBA Scientific, Edison, NJ;

www.horiba.com/scientific

FT-IR cell

ABBSPEC's #CXX cell is designed for the spectroscopy of catalysts and other applications. According to the company, the cell extends the upper temperature range of the company's previous cell model. The FT-IR cell reportedly has optimized flow paths and ensures that the first contact between the gas stream and the catalyst is directly observed in an experiment. AABSPEC International, Dungarvan Waterford, Ireland;

www.aabspec.com

ICP catalog

Glass Expansion's 2009 catalog of products for ICP optical and mass spectrometry is designed for ease of use. The catalog is divided into color-coded sections for each ICP manufacturer. Consumables and accessories for each model are listed with photos for identification. Products include nebulizers, spray chambers, torches, RF coils, interface cones, pump tubing, and other accessories. Glass Expansion, Pocasset, MA;

www.geicp.com

Mass spectrometers

Thermo Fisher Scientific's LTQ Velos and LTQ Orbitrap Velos mass spectrometers are designed for coupling to ultrahigh-pressure liquid chromatography systems. The former system includes a dual-pressure trap design and an API source, and the latter includes an Orbitrap mass analyzer, a higher-energy collisional dissociation cell, and a dual-pressure trap design. Thermo Fisher Scientific, Waltham, MA;

www.thermo.com/velos

Custom standards

Customized inorganic and organic standards from SPEX CertiPrep are designed for customers looking for a specific component mix. Customers can send the company a list of compounds, CAS Registry numbers, concentrations, desired matrix, and volume to receive a quote. The company reportedly is a certified ISO 9001:2000 facility and is accredited by A2LA as complying with the requirements of ISO/IEC 17025:2005 and ISO/IEC Guide 34-2000. SPEX CertiPrep, Inc., Metuchen, NJ;

www.spexcsp.com

FT-IR microscope accessories

FT-IR microscope accessories from JASCO are designed to be interfaced with the company's FT/IR-4000 and FT/IR-6000 spectrometers. The IRT-5000 microscope features dual detector capability and multiple objectives. The IRT-7000 microscope is a multichannel instrument for IR imaging. Both microscopes feature a "Smart Mapping" function that enables mapping analyses of a limited area without the use of an automated sample stage. JASCO, Easton, MD;

www.jascoinc.com

Fluorometer

The MF2 (Multi-Frequency Fluorometer) from HORIBA Scientific is designed to obtain all frequency domain data in one measurement as fast as 1 ms. The instrument reportedly excites a sample with multiple frequencies simultaneously. HORIBA Scientific, Edison, NJ;

www.horiba.com/scientific

Handheld Raman analyzers

SafeInspec handheld Raman analyzers from BaySpec are designed to identify commonplace and rare chemicals through glass, plastic, transparent, and translucent materials. The analyzers are based on volume phase gratings and require no periodic calibration. A Windows-based handheld PC is included for qualitative and quantitative measurements. BaySpec, Inc., Fremont, CA;

www.bayspec.com

Handheld material identification instrument

Ahura Scientific's TruScan handheld instrument is designed for rapid material verification and the inspection of incoming raw materials. According to the company, the instrument can be used by nontechnical staff for nondestructive testing and can test materials through plastic or glass containers. The instrument reportedly supports 21 CFR part 11 compliance. Ahura Scientific, Inc., Wilmington, MA;

www.ahurascientific.com

LIBS instruments

Laser-induced breakdown spectroscopy (LIBS) instruments from AnaLIBS are designed for qualitative and quantitative determinations of components present in samples such as active pharmaceutical ingredients, lubricant, excipients, and contaminants. Applications include environmental analysis, pharmaceutical analysis, metallurgy, gemology, public security, mining, and petroleum exploration. The instruments can be used for validated methods in collaboration with the FDA. AnaLIBS, Boucherville, Quebec, Canada;

www.analibs.com

X-ray powder diffraction system

Bruker's D8 ADVANCE X-ray powder diffraction system enables users to switch between applications such as qualitative and quantitative crystalline phase identification, microstructure and crystalline structure analysis, residual stress and texture investigations, X-ray reflectometry, and microdiffraction. Bruker AXS, Inc., Madison, WI;

www.bruker-axs.com

Lasers for Raman spectroscopy

CW DPSS lasers in the visible wavelengths from Cobolt are available in 355, 457, 473, 491, 515, 561, and 594 nm at up to 300 mW. The lasers' single-longitudinal mode operation reportedly provides low noise, wavelength stability, and spectral purity. They are mounted in a hermetically sealed package. Cobolt, Stockholm, Sweden;

www.cobolt.se

Calibration standards

Hellma's calibration standards are designed for checking spectrophotometers according to national and international standards. The liquid filters can be used for performance verification of UV–vis spectrophotometers in categories such as spectral resolution, wavelength accuracy, photometric accuracy, and stray light. The filters reportedly are made with high purity solutions sealed in Suprasil quartz cells with a 10-mm light path. Solid filters are also available. Hellma USA, Inc., Plainview, NY;

www.hellmausa.com

Thin-film measurement tool

HORIBA's Auto SE thin-film measurement tool allows automatic analysis of thin films at the push of a button. According to the company, analysis requires a few seconds and the instrument provides a report of film thicknesses, optical constants, surface roughness, and nonhomogeneities. Features include an automatic XYZ stage, confocal imaging of the measurement site, and automatic selection of spot sizes. HORIBA Scientific, Edison, NJ;

www.autose.org

Fiber-optic sample compartment

Quantum Northwest's qpod sample compartment provides temperature control for fiber-optic spectroscopy. A cuvette holder in the center provides Peltier-based temperature control from –30 °C to 105 °C. The holder has magnetic stirring and a dry gas purge. Fiber-optic cables are attached to fused-silica lens systems and are inserted from the sides. Kits are available for absorbance, fluorescence, and multipurpose for both. Quantum Northwest, Inc., Shoreline, WA;

www.qnw.com

Raman spectrometer

The innoRAM high-resolution Raman spectrometer system from B&W Tek is designed for portable use with an integrated touch-screen computer and spectral resolution of 2 cm–1. The instrument's CleanLaze laser and Raman probe reportedly provide near-excitation cut-on at 65 cm–1. B&W Tek, Inc., Newark, DE;

www.bwtek.com

Holographic polarizer

Specac's holographic polarizers are available on barium fluoride, calcium fluoride, KRS-5, and zinc selenide substrates and are manufactured at 2500 lines/mm. The polarizers are available in standard sizes of 25 mm or 50 mm diameter. Applications include the polarization of radiation for unpolarized sources, attenuation of radiation from polarized sources, infrared spectroscopy of materials, and NIR and mid-IR thermal imaging. Specac, Inc., Woodstock, GA;

www.specac.com

Portable Raman system

PerkinElmer's Raman IdentiCheck portable Raman system is designed to combine the convenience of a portable, hand-triggered probe system with the performance of a laboratory instrument. The system comprises an F2 Raman echelle spectrograph; an open electrode 1024 × 256 pixel CCD; a 785-nm, 300-mW laser that provides user-adjustable power between 100 mW and 10 mW at sample; kinematically mounted zero-alignment optics; and software for instrument control and Raman data acquisition and processing. Applications include forensic analysis, homeland security, QA/QC analysis, in-situ conservation analysis, and laboratory or in-field geological analysis. PerkinElmer, Inc., Waltham, MA;

www.perkinelmer.com