Research Article
Brilliant Green Dye Elimination from Water Using Psidium guajava Leaves and Solanum tuberosum Peels as Adsorbents in Environmentally Benign Way
Table 5
Characteristic FT-IR adsorption frequencies of functional groups of PP.
| | Wave number (cm−1) | Untreated PP | Treated PP | Untreated PP with BG | Treated PP with BG |
| | 3300.20 (w) | 3304.06 (m) | 3305.99 (w) | 3298.28 (w) | | Silan | — | — | 2364.73 (s) | 2360.87 (s) | | 2924.09 (w) | 2926.01 (m) | 2926.01 (w) | 2926.01 (w) | | 1639.49 (m) | 1637.58 (m) | 1643.35 (m) | 1641.42 (m) | | 1537.27 (s) | 1531.48 (s) | 1529.55 (s) | 1529.55 (s) | | 1244.09 (s) | 1242.16 (s) | 1242.16 (s) | 1242.16 (s) | | 1149.57 (s) | 1151.50 (s) | 1149.57 (s) | 1151.50 (s) |
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s = strong, m = medium, w = weak signal.
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