differential spectrophotometry

differential spectrophotometry

[‚dif·ə′ren·chəl ‚spek·trō·fə′täm·ə·trē]
(spectroscopy)
Spectrophotometric analysis of a sample when a solution of the major component of the sample is placed in the reference cell; the recorded spectrum represents the difference between the sample and the reference cell.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
In this present work, selective, sensitive, simple, and low-cost procedures were developed for the simultaneous determination of Carmoisine (C) and Ponceau 4R (P) in synthetic mixture and drink samples by using derivative spectrophotometry (DSM), ratio derivative spectrophotometry (RDM), derivative differential spectrophotometry (DDM), and compensation method (CM).
(1981) employed differential spectrophotometry of the excess reagent at 330nm and nitrate at 300nm to determine the urea/calcium nitrate ratio in fertilisers.
(1981) Differential spectrophotometry. Urea, calcium, nitrate and their concentration ratio Urease-based AOAC (2000a) Finalised in 1960.
Full browser ?