Otro
The photothermal transparent transducer method applied to the spectroscopy of liquids
Registro en:
Sensors and Actuators B-chemical. Lausanne: Elsevier B.V. Sa, v. 136, n. 2, p. 287-289, 2009.
0925-4005
10.1016/j.snb.2008.11.024
WOS:000264089600001
Autor
de Paula, M. H.
Lemos, G. M.
do Amaral, M. S.
Nunes, J. R.
Lourenco, A.
de Carvalho, A. A.
Kitano, C.
da Silva, J. G.
Sakamoto, W. K.
Siqueira, O. S.
Mello, G. A. B.
Pinto, J. O. P.
Galotto, L.
Peres, M. T. L. P.
Resumen
A new kind of spectroscopy of liquids is presented: the photothermal transparent transducer method applied to the spectroscopy of liquid samples. The liquid sample is placed in a small (approximately 20 ml) chamber with a LiTaO(3) pyroelectric crystal as window. The sample excitation and signal analysis could be made using modulated or pulsed techniques. Samples with low to high absorbance could be easily analyzed, including on-line experiments. (c) 2008 Elsevier B.V. All rights reserved. Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq) Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)