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.

Find, compare, and request a quote for spectrophotometers across leading suppliers at Labcompare; including access to product citations, related published figures, and first-hand reviews from our scientific community.

CompanyThermo Fisher ScientificThermo Fisher ScientificThermo Fisher ScientificThermo Fisher ScientificThermo Fisher Scientific
ItemNanoDrop™ Eight SpectrophotometerEvolution™ Peltier Thermostatting AccessoriesGENESYS™ 50 UV-Vis SpectrophotometerNanoDrop™ Ultra SpectrophotometerSPECTRONIC™ 200 Spectrophotometer
Citations
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Catalog NumberNDE-GL / NDEIGHT-LAPTOP / NDEIGHT-E1PIP / NDEIGHT-PIP699-131100840-298000NDULTRAGL840-281700 / 840-281800 / 840-281900
Price
TypeUV VIS SpectrophotometerSingle Cell Peltier SystemUV-VisibleMicrovolume UV-Vis SpectrophotometerVisible
Wavelength Range190 to 850 nmInquire190 nm to 1100 nm190 to 850 nm340 to 1000 nm
Wavelength Accuracy± 1 nmInquire±0.5 nm± 1 nm+/- 2 nm
Scanning Speed8 samples in < 20 secInquireSlow, medium and fast - up to 1600 nm/minInquireInquire
Spectral Bandwidth< 1.8 nmInquire2 nm1.8 nm4 nm
Optical System2048-element CMOS linear image sensorInquireDual Beam2048-element CMOS Linear Image SensorSingle Beam
Light SourceXenon flash lampInquireXenon Flash Lamp (>5 years typical, 3 years guaranteed)Xenon FlashTungsten-halogen
Resolution≤ 1.8 nm (FWHM at Hg 254 nm)InquireInquireInquireInquire
DescriptionIncrease 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 MoreTemperature 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 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™ Ultra Spectrophotometer and Fluorometer empowers scientists to quantify and assess nucleic acids and proteins with enhanced precision, speed, and reliability.The 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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