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. 2023 Jan 9;28(2):667. doi: 10.3390/molecules28020667

Table 2.

Absorption peaks for the struvite crystals.

Bonds Absorption Peaks
vas (NH4) 2940 cm−1
vs (N-H) 1675 cm−1
P=O 760 cm−1
PO4 1005 cm−1
vas (PO4) 571 cm−1
vas (H-O-H) 2345 cm−1