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. 2012 Apr 19;13(9):2331–2341. doi: 10.1002/cphc.201200066

Figure 9.

Figure 9

Partial IR spectral profile of an aqueous solution of a) synthesised DMHHPY (1.5 mol L−1) and b) DAP (0.6 mol L−1) as CO2 is absorbed to a maximum loading of 1.10 and 0.95 mol CO2/mol amine, respectively.