Continuous-flow tristimulus colorimetry: a new approach for gradient scanning techniques

A flow-injection gradient scanning technique for colour evaluation by means of tristimulus colorimetry is described. Equipment and data acquisition requirements are discussed. The program CHROMA.FIA data the treatment and comparative chromatic analysis is presented. The chemical and flow conditions...

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Bibliographic Details
Published in:Analytica chimica acta 1991-11, Vol.252 (1), p.133-144
Main Authors: Sagrado Vives, S., Medina Hernández, M.J., Martín Herrera, J.L., Ramis Ramos, G.
Format: Article
Language:English
Subjects:
Analytical chemistry
Chemical and thermal methods
Chemistry
Colour evaluation
Exact sciences and technology
Flow system
Titrimetry
Tristimulus colorimetry
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Summary:A flow-injection gradient scanning technique for colour evaluation by means of tristimulus colorimetry is described. Equipment and data acquisition requirements are discussed. The program CHROMA.FIA data the treatment and comparative chromatic analysis is presented. The chemical and flow conditions were optimized. Comparative studies using metallochromic indicators with both the flow-injection and the conventional batch procedures were made. The continuous-flow procedure provides good results and is more than fifteen times faster than the manual titrimetric procedure.
ISSN:0003-2670
1873-4324
DOI:10.1016/0003-2670(91)87207-N