Research Article
Kinetics and Mechanism of meso-Tetraphenylporphyrin Iron(III) Chloride Catalysed Oxidation of Indole-3-Acetic Acid by Peroxomonosulphate
Table 2
Effect of catalyst concentration on the reaction rate at 303 K.
| | [IAA] × 102 (mol dm−3) | [oxone] × 104 (mol dm−3) | [TPP] × 108 (mol dm−3) | CH3CN% (V/V ) | × 104 (s−1) |
| | 1.0 | 5.0 | 2.0 | 50 | 1.12 | | 1.0 | 5.0 | 4.0 | 50 | 1.52 | | 1.0 | 5.0 | 6.0 | 50 | 1.99 | | 1.0 | 5.0 | 8.0 | 50 | 2.05 | | 1.0 | 5.0 | 10.0 | 50 | 2.46 | | 1.0 | 5.0 | 12.0 | 50 | 2.69 | | 1.0 | 5.0 | 14.0 | 50 | 2.88 | | 1.0 | 5.0 | 16.0 | 50 | 3.12 | | 1.0 | 5.0 | 18.0 | 50 | 3.18 | | 1.0 | 5.0 | 20.0 | 50 | 3.22 | | 1.0 | 5.0 | 22.0 | 50 | 3.30 | | 1.0 | 5.0 | 24.0 | 50 | 3.35 | | 1.0 | 5.0 | 26.0 | 50 | 3.45 | | 1.0 | 5.0 | 28.0 | 50 | 3.59 | | 1.0 | 5.0 | 30.0 | 50 | 4.19 | | 1.0 | 5.0 | 32.0 | 50 | 4.92 | | 1.0 | 5.0 | 34.0 | 50 | 6.35 | | 1.0 | 5.0 | 36.0 | 50 | 6.41 | | 1.0 | 5.0 | 38.0 | 50 | 6.63 | | 1.0 | 5.0 | 40.0 | 50 | 6.76 |
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[oxone] = 5.0 × 10−4 mol dm−3; [IAA] = 1.0 × 10−2 mol dm−3; [H+] = 40.0 × 10−2 mol dm−3, acetonitrile : water = 50 : 50.
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