Spectrophotometer

Spectrophotometers are used to measure the concentration of a known substance in a solution. They do this by passing a light through the substance and measuring light intensity as a function of wavelength. Either single beam or double beam spectrophotometers can be purchased. In a single beam spectrophotometer, a reference standard is used to measure light intensity before and after the sample is loaded. For double beam spectrophotometers the beam is split with one beam passing through the standard and the other through the sample to compare intensities. While single beam spectrophotometers are typically less expensive and have higher sensitivity, double beam spectrophotometers tend to be more stable and easier to use. Spectrophotometers are important pieces of equipment in chemistry, physics, biochemistry, clinical, and materials testing labs.

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CompanyThermo Fisher ScientificThermo Fisher ScientificThermo Fisher ScientificThermo Fisher ScientificThermo Fisher Scientific
ItemEvolution™ Peltier Thermostatting AccessoriesGENESYS™ 140 Vis SpectrophotometerGENESYS™ 40 Vis SpectrophotometerGENESYS™ 50 UV-Vis SpectrophotometerNicolet™ Summit™ OA FTIR Spectrometer
Citations
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Catalog Number699-131100840-308000840-297000840-298000IQLAADGAAGFAQXMBML
Price
TypeSingle Cell Peltier SystemVisibleVisibleUV-VisibleFTIR, Laboratory
Wavelength RangeInquire325 nm to 1100 nm325 nm to 1100 nm190 nm to 1100 nm6000 to 650 cm-1
Wavelength AccuracyInquire± 0.5 nm± 0.5 nm±0.5 nmInquire
Scanning SpeedInquireAutomatic – up to 1800 nm/minAutomatic – up to 1800 nm/minSlow, medium and fast - up to 1600 nm/minInquire
Spectral BandwidthInquire5 nm5 nm2 nmInquire
Optical SystemInquireDual BeamDual BeamDual BeamInquire
Light SourceInquireTungsten-Halogen (>1000 hours)Tungsten-Halogen (>1000 hours)Xenon Flash Lamp (>5 years typical, 3 years guaranteed)Inquire
ResolutionInquireInquireInquireInquireInquire
DescriptionTemperature control and sample stirring are important for many UV-Visible analysis methods. Peltier thermostatted accessories outperform traditional heater/chiller units to deliver superior performance with compact integrated design, simple set-up, and fast, precise temperature control. Thermo ... Read MorePerform quantitative measurements in routine industrial QA/QC or university chemistry labs with the automated and network-ready Thermo Scientific™ GENESYS 140 Vis Spectrophotometers. Optimized for usability and performance, this platform features a high-resolution color touchscreen, Wi-Fi ... Read MorePerform routine measurements for quality control or teaching in the chemistry classroom with the rugged Thermo Scientific™ GENESYS 40 Vis Spectrophotometer. Offered in a single cell configuration, this insrtrument is designed with a sloping surface to shed spills and a washable sampling compartment... Read MorePerform routine measurements for quality control or teaching in the chemistry classroom with the rugged Thermo Scientific™ GENESYS™ 50 UV-Visible Spectrophotometer. Offered in a single cell configuration, this instrument is designed with a sloping surface to shed spills and a washable sampling ... Read More

The Nicolet Summit OA FTIR Spectrometer is a dedicated analyzer for rapid characterization of oils, liquids, syrups, and pastes samples. An integrated zinc selenide (ZnSe) horizontal attenuated total reflectance (HATR) accessory delivers constant and reproducible pathlength, ideal for both

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