Published November 8, 1984
| Version v1
Journal article
Chemical behavior of SO3- and SO5- radicals in aqueous solutions
Description
The chemistry of the radicals SO3- and SO5- has been investigated by using pulse radiolysis with kinetic spectrophotometry. Rate constants for the oxidation by SO3- of a variety of organic compounds were measured and equilibrium constants determined for the reactions of SO3- with chlorpromazine and phenol. SO3- was found to be a mild oxidant with a redox potential of E(SO3-/SO32-) = 0.63 V (vs. NHE) at pH > 7 and E(SO3-/HSO3-) = 0.84 V at pH 3.6. The reaction of SO3- with O2 was shown to produce SO5-. The oxidation of several compounds by SO5- was found to occur more rapidly than their oxidation by SO3-. E(SO5-/HSO5-) was estimated to be approximately 1.1 V at pH 7. 44 references, 2 figures, 2 tables
Additional details
Additional titles
- Augmented title (English)
- Pulsed irradiation
Publishing Information
- Journal Title
- J. Phys. Chem.
- Journal Volume
- 88
- Journal Issue
- 8
- Series
- J. Phys. Chem.
- Journal Page Range
- 5665-5669
- ISSN
- 0022-3654
INIS
- Country of Publication
- United States
- Country of Input or Organization
- United States
- INIS RN
- 16067035
- Subject category
- S38: RADIATION CHEMISTRY, RADIOCHEMISTRY AND NUCLEAR CHEMISTRY;
- Resource subtype / Literary indicator
- Numerical Data
- Descriptors DEI
- ABSORPTION SPECTROSCOPY; ANTIHISTAMINICS; AQUEOUS SOLUTIONS; ASCORBIC ACID; CHEMICAL REACTION KINETICS; CHLORPROMAZINE; COMPUTER CALCULATIONS; DATA ACQUISITION; DATA PROCESSING; EQUILIBRIUM; EXPERIMENTAL DATA; IODIDES; LEAST SQUARE FIT; MATHEMATICAL MODELS; MONITORING; NITROUS OXIDE; OXIDATION; OXYGEN; PH VALUE; PHENOL; RADICALS; RADIOLYSIS; REDOX POTENTIAL; REDUCTION; SULFITES; SULFUR OXIDES; WATER
- Descriptors DEC
- AMINES; AROMATICS; AZINES; CENTRAL NERVOUS SYSTEM AGENTS; CENTRAL NERVOUS SYSTEM DEPRESS; CHALCOGENIDES; CHEMICAL RADIATION EFFECTS; CHEMICAL REACTIONS; DATA; DECOMPOSITION; DISPERSIONS; DRUGS; ELEMENTS; HALIDES; HALOGEN COMPOUNDS; HETEROCYCLIC COMPOUNDS; HOMOGENEOUS MIXTURES; HYDROGEN COMPOUNDS; HYDROXY COMPOUNDS; HYPNOTICS AND SEDATIVES; INFORMATION; IODINE COMPOUNDS; KINETICS; MAXIMUM-LIKELIHOOD FIT; MIXTURES; NITROGEN COMPOUNDS; NITROGEN OXIDES; NONMETALS; NUMERICAL DATA; NUMERICAL SOLUTION; ORGANIC CHLORINE COMPOUNDS; ORGANIC COMPOUNDS; ORGANIC HALOGEN COMPOUNDS; ORGANIC NITROGEN COMPOUNDS; ORGANIC SULFUR COMPOUNDS; OXIDES; OXYGEN COMPOUNDS; PHENOLS; PHENOTHIAZINES; PSYCHOTROPIC DRUGS; RADIATION EFFECTS; REACTION KINETICS; SOLUTIONS; SPECTROSCOPY; SULFUR COMPOUNDS; TRANQUILIZERS; VITAMINS