. 2020 Apr 30;6(4):e03850. doi: 10.1016/j.heliyon.2020.e03850

Table 2.

The Effect of added anion and cation on the rate of reaction of [CoSalophen]⁺ and LSH at [CoSalophen⁺] = 2.0 $\times$ 10⁻⁴ mol/dm³, [LSH] = 12.0 × 10⁻³ mol/dm³, [H⁺] = 1.0 × 10⁻³ mol/dm³_, μ = 0.1 C² mol/dm³, T = 27 ± 1 $°C$ , and λ_max = 470 nm.

[Z]		10³ [Z], (mol/dm³)	10³ k₁, (/s)	10¹ k₂, (dm³/mol/s)
SO₄^2-		0.0	8.20	6.83
		3.0	8.39	6.99
		6.0	8.59	7.16
		9.0	8.67	7.22
		12.0	8.78	7.31
		15.0	8.95	7.45
		18.0	9.10	7.58
Ca²⁺	0.0		8.20	6.83
	3.0		7.14	5.95
	6.0		5.56	4.63
	9.0		4.14	3.45
	12.0		3.48	2.90
	15.0		2.55	2.13
	18.0		0.94	0.79