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Table 2 Gradient profile for the mobile phase ratio in this experiment

From: Thermal degradation of aqueous 2-aminoethylethanolamine in CO2 capture; identification of degradation products, reaction mechanisms and computational studies

Time (min) Mobile phase ratio
Formic acid (0.10%) Methanol (99.9%)
6 98 2
2 20 80
8–14 98 2