26 No. 6
Guidelines for Calibration in Analytical Chemistry. Part 2: Multicomponent Calibration
(IUPAC Technical Report)
K. Danzer, M. Otto, and L.A. Currie
Pure and Applied Chemistry
Vol. 76, No. 6, pp. 1215–1225 (2004)
Calibration in analytical chemistry refers to the relation between sample domain and measurement domain (signal domain) expressed by an analytical function x = fs(Q) representing a pattern of chemical species Q and their amounts or concentrations x in a given test sample on the one hand and a measured function y = f(z) that may be a spectrum, chromatogram, etc.
Relationship between sample domain and signal domain in case of elemental analysis.
Simultaneous multispecies analyses are carried out mainly by spectroscopic and chromatographic methods in a more or less selective way. For the determination of n species Qi (i = 1,2 …n), at least n signals must be measured which should be well separated in the ideal case. In analytical practice, the situation can be different.
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