which enables the intensity of several spectral bands of radiation to be measured
one after the other in time, i.e. sequentially.
PAC, 1995, 67, 1725
(Nomenclature, symbols, units and their usage in spectrochemical analysis-IX. Instrumentation
for the spectral dispersion and isolation of optical radiation (IUPAC Recommendations
on page 1729
IUPAC. Compendium of Chemical Terminology, 2nd ed. (the "Gold Book"). Compiled by
A. D. McNaught and A. Wilkinson. Blackwell Scientific Publications, Oxford (1997).
XML on-line corrected version: http://goldbook.iupac.org (2006-) created by M. Nic,
J. Jirat, B. Kosata; updates compiled by A. Jenkins. ISBN 0-9678550-9-8. https://doi.org/10.1351/goldbook