near-infrared spectrophotometry

near-infrared spectrophotometry

[′nir ‚in·frə′red ‚spek·trō·fə′täm·ə·trē]
(analytical chemistry)
Spectrophotometry at wavelengths in the near-infrared region, generally using instruments with quartz prisms in the monochromators and lead sulfide photoconductor cells as detectors to observe absorption bands which are harmonics of bands at longer wavelengths.
References in periodicals archive ?
Near-infrared spectrophotometry and ultrasound use infrared light or ultrasound rays to estimate body fat percentage.
Determination of the moisture content of seeds by near-infrared spectrophotometry of their methanol extract.
The technique, called near-infrared spectrophotometry, gives researchers a non-invasive tool for probing the chemistry of living systems.
NIRSystems, a subsidiary of Perstorp Analytical, applies near-infrared spectrophotometry to laboratory and on-line processes.