Table 3: The effect of variation of [Ir(III)] in NBS-EMK system in the presence of Ru(III).

106 [Ir(III)] mol dm−3 106  mol dm−3 s−1 /[Ir(III)] 0.275 0.406 1.48 0.550 0.816 1.48 1.10 1.62 1.48 2.20 3.21 1.46 3.30 4.80 1.45 4.40 6.41 1.46

103 [NBS] = 5.00 mol dm−3; [EMK] = 0.100 mol dm−3; HOAc = 10% (v/v); 102 [H+] = 5.00 mol dm−3; 105 [Ru(III)] = 2.09 mol dm−3; Temp. = 300 K. 102 [Hg(OAC)2] = 2.00 mol dm−3.