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 AccessoriesBioMate 160 UV-Vis SpectrophotometerNanoDrop™ Eight SpectrophotometerNicolet™ Summit™ OA FTIR SpectrometerNicolet™ Summit™ X FTIR Spectrometer
Citations
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Catalog Number699-131100840-301000NDE-GL / NDEIGHT-LAPTOP / NDEIGHT-E1PIP / NDEIGHT-PIPIQLAADGAAGFAQXMBMLIQLAADGAAGFAQXMBNM
Price
TypeSingle Cell Peltier SystemUV-VisibleUV VIS SpectrophotometerFTIR, LaboratoryInquire
Wavelength RangeInquire190 nm to 1100 nm190 to 850 nm6000 to 650 cm-18000 to 350 cm-1
Wavelength AccuracyInquire± 0.5 nm± 1 nmInquireInquire
Scanning SpeedInquireSlow, medium and fast - up to 1600 nm/min8 samples in < 20 secInquireInquire
Spectral BandwidthInquire2 nm< 1.8 nmInquireInquire
Optical SystemInquireDual Beam2048-element CMOS linear image sensorInquireInquire
Light SourceInquireXenon Flash Lamp >5 years typical, 3 years guaranteed)Xenon flash lampInquireInquire
ResolutionInquireInquire≤ 1.8 nm (FWHM at Hg 254 nm)InquireBetter than 0.6 cm-1
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 life science laboratories with the automated and network-ready Thermo Scientific™ BioMate™ 160 UV-Visible Spectrophotometer. The BioMate 160 Spectrophotometer offers pre-programmed assay methods for nucleic acid and protein concentration as well as cell culture ... Read MoreIncrease the chances of success in your analyses with efficient analysis of your sample quantity and quality using the Thermo Scientific™ NanoDrop™ Eight UV-Vis spectrophotometer. Ideal for pharma/biotech and academic researchers measuring larger number of nucleic acid and protein samples. NanoDrop ... 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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