Abstract
A stopped-flow rapid-mixing device interfaced with a rapid-scan FT-IR spectrometer and a diode-array UV-visible spectrophotometer permits the observation of reaction transient intermediates over a broad range of wavelengths at minimal cost. The system has been evaluated for both spectral regions with the use of two different chemical reaction systems. The presence of a transient intermediate is clearly indicated in one case. Unexpected reactivity was observed in the other case. This approach will allow the study of chemical reactions even when no spectral changes occur in the UV-visible region.
Keywords
Get full access to this article
View all access options for this article.
References
1.
Rammelsberg
R.
Hebling
B.
Chorongiewski
H.
and
Gerwert
K
, Appl. Spectrosc. 51 , 558 (1997 ), and references therein.
2.
Barth
A.
Hauser
K.
Mantele
W.
Corrie
J. E. T.
and
Trentham
D. R
, J. Am. Chem. Soc. 117 , 10311 (1995 ).
3.
Chen
P.
and
Palmer
R. A
, Appl. Spectrosc. 51 , 580 (1997 ).
4.
Pharr
C. M.
and
Griffiths
P. R
, Anal. Chem. 69 , 4665 (1997 ).
5.
Wang
H.
Palmer
R. A.
and
Manning
C. J
, Appl. Spectrosc. 51 , 1245 (1997 ).
6.
Cottaine
M. S.
Lai
C. K.
Zhen
Y.
Churchill
M. R.
Buttrey
L. A.
Ziller
J. W.
and
Atwood
J. D
, Organometallics 11 , 35 (1992 ).
7.
White
J.
Drabble
K.
and
Wharton
C. W
, Biochem. J. 305 , 843 (1995 ).
8.
Brittain
J.
Aquino
E. C.
Dicker
I. B.
and
Brunelle
D. J
, Makromol. Chem. 194 , 1249 (1993 ).
9.
Cordoba
H.
Vinas
P.
and
Sanchex-Pedreno
C
, Talanta 33 , 135 (1986 ).
10.
Cao
S.
Shi
Y.
Hollmann
J.
Van Eldik
R.
and
Eyring
E. M
, J. Chem. Soc., Dalton Trans. 1626 (1996 ).
11.
Mottola
H. A.
, Kinetic Aspects of Analytical Chemistry (Wiley , New York , 1988 ), p. 30 .
12.
Perez-Bendito
D.
and
Silva
M
, Kinetic Methods in Analytical Chemistry (Ellis Horwood , West Sussex , 1988 ), p. 45 .