期刊
INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
卷 46, 期 1, 页码 249-254出版社
AMER CHEMICAL SOC
DOI: 10.1021/ie0603868
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C-13 NMR spectroscopic investigations were performed on aqueous solutions of diethylenetriamine (DETA) and carbon dioxide at 298.0 K. Systems with loadings ranging from 0 to 1.69 were studied. Results suggest that carbamate is one of the main species formed in the system at loadings below 1.0. At higher loadings (> 1.0), it appears that dicarbamate is dominating and HCO3-/CO32- are also formed. No clear evidence was found of any tricarbamate species in the system.
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