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Colorimetric determination of micro quantities of vanillin.

IR@CSIR-CFTRI

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Title Colorimetric determination of micro quantities of vanillin.
 
Creator Bains, G. S.
Kapur, N. S.
Bhatia, D. S.
 
Subject 01 Analysis
 
Description A colorimetric method is described for the
quantitative determination of microgramme
quantities of vanillin based on its reaction
with excess of thiobarbituric acid in aqueous
medium containing specified amounts of
hydrochloric acid or phosphoric acid. The
coloured complex shows a single absorption
maximum at 432-434 mμ and the colour
intensity of the complex obeys Beer's law at
this wavelength when prescribed amounts of
vanillin are reacted with thiobarbituric acid.
The interference of sugars in the reaction and
the application of the method to processed
foodstuffs containing vanillin have been discussed.
 
Date 1958
 
Type Article
PeerReviewed
 
Format application/pdf
 
Language en
 
Rights —
 
Identifier http://ir.cftri.com/3512/1/Journal_of_Scientific_and_Industrial_Research_19S8_17B_11_462-467.pdf
Bains, G. S. and Kapur, N. S. and Bhatia, D. S. (1958) Colorimetric determination of micro quantities of vanillin. Journal of Scientific and Industrial Research, 17B. pp. 462-467.