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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CompanyAgilent TechnologiesAgilent Technologies
ItemCary 630 FTIR SpectrometerCary 3500 Compact UV-Vis Spectrophotometer
Citations
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(6)
Reviews
Catalog NumberCary 630Cary 3500 Compact
Price
TypeBenchtop FTIR spectrometerUV-Vis double beam spectrophotometer
Wavelength RangeKBr 7,000 to 350 cm-1
ZnSe 5,100 to 600 cm-1
190 to 1100 nm
Wavelength AccuracyInquire± 0.2 nm
Scanning SpeedInquireUV-Vis 150,000 nm/min
Spectral BandwidthInquire0.1 to 5 nm
Optical SystemInquireDouble out-of-plane Littrow monochromator
Light SourceInquireXenon flash lamp
Resolution≤2 cm-10.1 nm limiting resolution
DescriptionThe Agilent Cary 630 FTIR is a flexible benchtop FTIR spectrometer offering high performance and extraordinary ease-of-use in an ultra-compact design. It is engineered with the user in focus and provides simple, intuitive workflows to deliver meaningful answers in routine FTIR analysis and cutting-... Read MoreThe Cary 3500 Compact UV-Vis is a double-beam spectrophotometer featuring new and unique measurement capabilities that can be deployed in regulated environments. The system performs ambient and temperature-controlled experiments with air-cooled Peltier temperature control, and it accurately analyzes... Read More
QuantityEAEA
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