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Applied Biological Chemistry
Fig. 3 | Applied Biological Chemistry

Fig. 3

From: Preparation and characterisation of activated carbon from Vitisvinifera leaf litter and its adsorption performance for aqueous phenanthrene

Fig. 3

Scanning electron micrographs of activated carbons, charred and raw biomass (magnification ×1000). PAac: activated with H3PO4 at 5:2 biomass to H3PO4 ratio. PBac: activated with H3PO4 at 5:1 biomass to H3PO4 ratio. PCac: activated with H3PO4 at 10:1 biomass to H3PO4 ratio. Raw: raw grape leaf litter. ZAac: activated with ZnCl2 at 5:2 biomass to ZnCl2 ratio. ZBac: activated with ZnCl2 at 5:1 biomass to ZnCl2 ratio. ZCac: activated with ZnCl2 at 10:1 biomass to ZnCl2 ratio. Nac: charred with no activating agent

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