Small-amplitude and mixed-mode pH oscillations in the bromate-sulfite-ferrocyanide-aluminum(III) system.
The BrO(3)(-)-SO(3)(2-)-Fe(CN)(6)(4-) (BSF) pH-oscillatory system is coupled to the Al(OH)(3) precipitation equilibrium (BSFA system) and studied in a stirred flow reactor. The dynamic behavior of the BSFA system differs significantly from that of the BSF system. In addition to the large-amplitude pH oscillations found in the BSF system, new small-amplitude and mixed-mode oscillations occur. A detailed mechanism of the BSFA system is developed and investigated.
Kovacs
Klara
K
Department of Chemistry, Brandeis University, MS 015, Waltham, Massachusetts 02454, USA.
Leda
Marcin
M
Vanag
Vladimir K
VK
Epstein
Irving R
IR
D000535:Aluminum / Q000737:chemistry*; D000536:Aluminum Hydroxide / Q000737:chemistry; D001959:Bromates / Q000737:chemistry*; D005295:Ferrocyanides / Q000737:chemistry*; D006863:Hydrogen-Ion Concentration; D008956:Models, Chemical; D015394:Molecular Structure; D009991:Oscillometry; D013447:Sulfites / Q000737:chemistry*
D001959:Bromates; D005295:Ferrocyanides; D013447:Sulfites; D000536:Aluminum Hydroxide; D000535:Aluminum