As we can see, the fluorescence intensity reaches the maximum value within 8 min. It reveals that SAG 3HFF + HSO3− system detect Al3+ rapidly and can be used to monitor Al3+ in real time.
Fig. 12. Fluorometric traces for the reaction of 3HFF + HSO3− system with 50 equiv and 15 equiv Al3+ in DMSO–H2O (2:8, v/v, pH = 7).Figure optionsDownload full-size imageDownload as PowerPoint slide