Table 5 Chemicals.
Chemical | Purity/grade | Company |
|---|---|---|
1,2,4,5-Benzenetetracarboxylic acid (Pyromellitic acid) | 96% | Sigma-Aldrich |
Zirconium(IV) chloride (ZrCl4) | ≥ 99.9% | Sigma-Aldrich |
Nickel(II) nitrate hexahydrate [Ni(NO3)2·6H2O] | ≥ 98.5% | Sigma-Aldrich |
Cobalt(II) nitrate hexahydrate [Co(NO3)2·6H2O] | 98% | Sigma-Aldrich |
Cadmium nitrate tetrahydrate [Cd(NO3)2·4H2O] | ≥ 99.9% | Sigma-Aldrich |
(3-Aminopropyl)triethoxysilane | 99% | Sigma-Aldrich |
Ethylene glycol (EG) | ≥ 98.0% | Merck |
Ethanol | Absolute and 96% | Merck |
Acetone | 99% | Merck |
Sodium hydroxide pellets (NaOH) | 99% | Merck |
Hydrochloric acid (HCl) | 36% | Merck |
