Reaction of nitrite ion with hydroxylamine-N-sulfonate in aqueous solution

Journal Article · Wed Feb 16 04:00:00 EST 1983 · Inorg. Chem.; (United States)

DOI:https://doi.org/10.1021/ic00146a002· OSTI ID:5614672

Oblath, S B; Markowitz, S S; Novakov, T; Chang, S G

The reaction between nitrite ion and hydroxylamine-N-sulfonate (HAMS) has been investigated in aqueous solutions; nitrous oxide and sulfate ions are the major products. The reaction kinetics exhibit first-order dependence on nitrite ion, second-order dependence on hydrogen ion in the pH region of 4-5, and between zero- and first-order dependence on HAMS, depending on the concentration. An activation energy of 30 kJ/mol was determined for the reaction in the temperature range of 10-40/sup 0/C. The ionic strength dependence was studied in the range of 0.2-1.5 M. Oxalate, tartrate, and phthalate buffer systems were found to enhance the rate of reaction to varying degrees. An empirical rate law and the determined rate constants are reported. The results are examined in terms of a mechanism that consists of the nitrosation of HAMS, followed by a decomposition into products.

• Research Organization: Univ of California, Berkeley
• DOE Contract Number: AC03-76SF00098
• OSTI ID: 5614672
• Journal Information: Inorg. Chem.; (United States), Journal Name: Inorg. Chem.; (United States) Vol. 22:4; ISSN INOCA
• Country of Publication: United States
• Language: English

Related Subjects

37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400201* -- Chemical & Physicochemical Properties
ACTIVATION ENERGY
AMINES
AQUEOUS SOLUTIONS
BUFFERS
CHEMICAL REACTION KINETICS
DISPERSIONS
ELEMENTS
ENERGY
HYDROGEN
HYDROXYLAMINE
KINETICS
MIXTURES
NITRITES
NITROGEN COMPOUNDS
NONMETALS
ORGANIC COMPOUNDS
ORGANIC SULFUR COMPOUNDS
OXYGEN COMPOUNDS
PH VALUE
REACTION KINETICS
SOLUTIONS
SULFONATES