Table 1 The list of various chemicals, precursor and solvent used in this study.
Materials | Chemical formula | Company |
|---|---|---|
Copper(II) sulfate pentahydrate | CuSO4.5H2O | Merck |
Ethanol | C2H5OH | Merck |
Reactive Blue 21 | C₄₀H₂₅CuN₉O₁₄S₅ | Sys-Arang |
Reactive Red 195 | C₃₁H₁₉ClN₇Na₅O₁₉S₆ | Sys-Arang |
Pistachio hulls | ---- | Sourced from one of the pistachio orchards in Rafsanjan Region (Akbari variety) |