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™ 150 UV-Vis SpectrophotometerNanoDrop™ Ultra SpectrophotometerNicolet™ Summit™ OA FTIR Spectrometer
Citations
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Catalog Number699-131100840-308000840-300000NDULTRAGLIQLAADGAAGFAQXMBML
Price
TypeSingle Cell Peltier SystemVisibleUV-VisibleMicrovolume UV-Vis SpectrophotometerFTIR, Laboratory
Wavelength RangeInquire325 nm to 1100 nm190 nm to 1100 nm190 to 850 nm6000 to 650 cm-1
Wavelength AccuracyInquire± 0.5 nm± 0.5 nm± 1 nmInquire
Scanning SpeedInquireAutomatic – up to 1800 nm/minSlow, medium and fast - up to 1600 nm/minInquireInquire
Spectral BandwidthInquire5 nm2 nm1.8 nmInquire
Optical SystemInquireDual BeamDual Beam2048-element CMOS Linear Image SensorInquire
Light SourceInquireTungsten-Halogen (>1000 hours)Xenon Flash Lamp (>5 years typical, 3 years guaranteed)Xenon FlashInquire
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 quantitative measurements in routine industrial QA/QC or university chemistry labs with the  automated and network-ready Thermo Scientific™ GENESYS™ 150 UV-Visible Spectrophotometer. Optimized for usability and performance, this platform features a high-resolution color touchscreen, Wi-Fi ... Read MoreThe Thermo Scientific™ NanoDrop™ Ultra Spectrophotometer and Fluorometer empowers scientists to quantify and assess nucleic acids and proteins with enhanced precision, speed, and reliability.

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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