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An instrument used to determine the relative intensity of various wavelengths in a spectrum of light.

spec′tro·pho′to·met′ric (-fō′tə-mĕt′rĭk) adj.
spec′tro·pho·tom′e·try n.
References in periodicals archive ?
is reportedly the first non-contact instrument for industrial applications that combines color imaging with spectrophotometry to characterize today's most complex materials.
Limited Tenders are invited for Uv-Vis For Low Temperature Measurements And Fast Spectrophotometry With Suitable Ups
There were many ways to quantify b-carotene, among which, high-performance liquid chromatography and UV spectrophotometry were frequently used [1, 4].
We have special spectrophotometry equipment, which we've developed, so we can reapply the exact shade of Louboutin red.
and employed at the SGS facility, utilizes spectrophotometry and liquid chromatographic techniques designed to provide greater resolution and sensitivity.
Oligoscan is non-lnvasive, requires no tissue biopsy, and uses state of the art technology called Spectrophotometry.
A major problem for NGS assays of challenging clinical samples is that the two most frequently used methods by laboratories to quantify DNA, spectrophotometry and fluorescence-dye binding assays, may not reliably report the DNA that is actionable in target enrichment assays.
Based on spectrophotometry and densitometry data, a printer's specification was generated.
The topics include data analysis, acid-based titration, complexation reactions and complexometric titration, spectrophotometry, and solving a read analytical problem.
A later paper described using methylene blue as the working chemical for clay detection, but proposed a new method based on spectrophotometry instead of the standard drop test.
Concentration of 3-hydroxybutyrate is usually determined through methods such as chromatography, isotopic measurements, and spectrophotometry.