Research Article
Brilliant Green Dye Elimination from Water Using Psidium guajava Leaves and Solanum tuberosum Peels as Adsorbents in Environmentally Benign Way
Table 4
Characteristic FTIR adsorption frequencies of functional groups of Guava leaves.
| | Wave number (cm−1) | Untreated GL | Treated GL | Untreated GL with BG | Treated GL with BG |
| | 3309.85 (w) | 3321.42 (w) | 3329.14 (w) | 3315.63 (w) | | 2924.09 (s) | 2922.16 (s) | 2924.09 (s) | 2922.16 (s) | | Silan | — | 2357.01 | — | 2355.08 | | 1728.22 (s) | 1730.15 (s) | 1730.15 (s) | 1728.22 (s) | | 1618.28 (m) | 1625.99 (m) | 1635.64 (m) | 1625.99 (m) | | 1527.62 (s) | 1527.62 (s) | 1525.69 (s) | 1529.55 (s) | | 1321.24 (s) | 1319.31 (s) | 1321.24 (s) | 1319.31 (s) | | 1236.37 (s) | 1240.23 (s) | 1240.23 (s) | 1240.23 (s) | | — | 1155.36 (s) | 1157.29 (s) | 1155.36 (s) | | 1010.70 (s) | 1004.91 (s) | 1008.77 (s) | 1004.91 (s) |
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