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Fourier transform infrared analysis of paint solvents

✍ Scribed by S. Garrigues; M. de la Guardia

Publisher
Elsevier Science
Year
1991
Tongue
English
Weight
468 KB
Volume
242
Category
Article
ISSN
0003-2670

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✦ Synopsis

The composition of solvent mixtures employed in the paint industry was determined by Fourier transform infrared spectrometry.

A procedure based on the use of the ratio between the absorbance of characteristic bands of each component permits the ratio between two solvents in a binary mixture to be determined, independently of the thickness of the sample film. Typical mixtures of xylol with butan-l-01 and with butyl acetate (xylol = mixture of o-, m-and p-xylenes) were used as model systems to develop the proposed procedure and the accuracy was determined using synthetic formulations.

Another possible application of the procedure is the characterization of azeotropic mixtures.

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