引用本文:
潘志信. 三氧化硫脲的稳定性[J]. 应用化学,
2007, 24(3): 349-352.
Citation: PAN Zhi-Xin. Study on Stability of Aminoiminomethanesulfonic Acid[J]. Chinese Journal of Applied Chemistry, 2007, 24(3): 349-352.
Citation: PAN Zhi-Xin. Study on Stability of Aminoiminomethanesulfonic Acid[J]. Chinese Journal of Applied Chemistry, 2007, 24(3): 349-352.
三氧化硫脲的稳定性
English
Study on Stability of Aminoiminomethanesulfonic Acid
Abstract:
The thermal stability of solid aminoiminomethanesulfonic acid (AIMSO3H) was studied. The solid aminoiminomethanesulfonic acid and solid aminoiminomethanesulfonic acid hydrate can be decomposed into SO2 and urea under atmosphere condition. The decomposition increases with temperature. The hydrolysis rate of aminoiminomethanesulfonic acid in water solution was studied. It is influenced by temperature, concentration and pH. The hydrolysis rate equation of aminoiminomethanesulfonic acid is r/(mol·L-1·s-1)=k/(L0.5·mol-0.5·s-1)×c(AIMSO3H)/(mol·L-)×(c(OH-)/(mol·L-1))0.5. The activation energy of the hydrolysis reaction is 73.56 kJ/mol. Aminoiminomethanesulfonic acid is stable to some oxidants in weak acid condition.
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Key words:
- aminoiminomethanesulfonic acid
- / stability
- / hydrolysis rate equation
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