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
ItemGENESYS™ 150 UV-Vis SpectrophotometerGENESYS™ 180 UV-Vis SpectrophotometerGENESYS™ 50 UV-Vis SpectrophotometerNanoDrop™ Lite Plus SpectrophotometerSPECTRONIC™ 200 Spectrophotometer
Citations
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Catalog Number840-300000840-309000840-298000NDLPLUSGL / NDPLUSPRGL840-281700 / 840-281800 / 840-281900
Price
TypeUV-VisibleUV-VisibleUV-VisibleUV-VisVisible
Wavelength Range190 nm to 1100 nm190 nm to 1100 nm190 nm to 1100 nm260 and 280nm340 to 1000 nm
Wavelength Accuracy± 0.5 nm± 0.5 nm±0.5 nmInquire+/- 2 nm
Scanning SpeedSlow, medium and fast - up to 1600 nm/minSlow, medium and fast - up to 1600 nm/minSlow, medium and fast - up to 1600 nm/minInquireInquire
Spectral Bandwidth2 nm2 nm2 nmInquire4 nm
Optical SystemDual BeamDouble BeamDual Beam2048-element CMOS Linear Image SensorSingle Beam
Light SourceXenon Flash Lamp (>5 years typical, 3 years guaranteed)Xenon Flash Lamp (>5 years typical, 3 years guaranteed)Xenon Flash Lamp (>5 years typical, 3 years guaranteed)Light emitting diodesTungsten-halogen
ResolutionInquireInquireInquire≤ 1.8 nm (FWHM at Hg 254 nm)Inquire
DescriptionPerform 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 MorePerform high throughput quantitative UV-Vis measurements where a double beam is required as a reference cell position with the Thermo Scientific™ GENESYS™ 180 UV-Visible Spectrophotometer. 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™ 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 MoreThe Thermo Scientific NanoDrop Lite Plus Spectrophotometer is a compact, personal UV-Vis microvolume spectrophotometer that complements the full-featured NanoDrop One/OneC and NanoDrop Eight instruments. The NanoDrop Lite Plus is an affordable choice for fast, easy measurements, designed to deliver ... Read MoreThe Thermo Scientific SPECTRONIC 200 is the standard for rugged, simple-to-use visible spectrophotometers for teaching applications. Designed expressly for the teaching laboratory, the SPECTRONIC 200 spectrophotometer includes a removable, washable sample compartment that simplifies spill cleanup ... Read More
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