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Fig. 7 | Sustainable Environment Research

Fig. 7

From: Functionalization of hydroxyapatite derived from cockle (Anadara granosa) shells into hydroxyapatite–nano TiO2 for photocatalytic degradation of methyl violet

Fig. 7

UV-Visible spectra of treated solution by (a) photocatalysis using HAp, (b) photooxidation using HAp, (c) photocatalysis using HAp-nTiO2, (d) photooxidation using HAp-nTiO2, (e) photocatalysis using TiO2, and (f) photooxidation using TiO2 [Initial MV concentration = 25 mg L− 1, H2O2 = 10− 4 M, catalyst dosage = 0.25 g L− 1]

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Sustainable Environment Research

ISSN: 2468-2039

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