Text S5. Solubility considerations for the salts of amines
One last potential complication in our thermodynamic simulations is the
possible formation of the solid aminium nitrate salts. Only a handful of
the nitrates of alkylamines (such as MA, DMA, TMA), AN and MEA were
studied for their solubility properties. The general trend is that the
nitrate salts of alkylamines and alcohol amines are highly soluble in
water, which consequentially makes no impact on the thermodynamic
modeling results.
In the case of AN, its nitrate salt has low solubility. Additional
simulation using E-AIM while specifying the solubility of AN nitrate
showed that no solid of AN nitrate may form under our simulation
conditions. It is therefore reasonable to assume that the water
solubility of the aminium nitrate salts had no impact on ourTc results.