. 2015 Sep 2;20(9):16004–16029. doi: 10.3390/molecules200916004

Table 1.

Activation parameters E_a, ΔH* and ΔS* derived from the Arrhenius plots in the absence and presence of different concentrations of the studied dyes.

Inhibitor	Inhibitor Concentration (ppm)	E_a (kJ·mol⁻¹)	ΔH* (kJ·mol⁻¹)	ΔS* (JK⁻¹·mol⁻¹)
	-	58.28	55.26	−115.47
SS	25	77.72 (90.96) ^a	75.15 (88.15) ^a	−58.52 (−20.94) ^a
	50	78.09 (90.94) ^a	75.46 (88.00) ^a	−57.61 (−22.02) ^a
	75	79.28 (91.91) ^a	77.08 (89.48) ^a	−52.70 (−17.78) ^a
	100	81.27 (94.15) ^a	78.43 (91.46) ^a	−48.79 (−12.30) ^a
	125	82.38 (93.77) ^a	80.03 (91.70) ^a	−44.06 (−6.39) ^a
	150	82.76 (95.98) ^a	80.53 (93.13) ^a	−42.64 (−8.31) ^a
AM	25	81.50 (91.88) ^a	78.83 (89.40) ^a	−46.55 (−18.62) ^a
	50	81.33 (92.95) ^a	78.75 (60.60) ^a	−47.05 (−15.12) ^a
	75	84.63 (96.10) ^a	81.84 (93.17) ^a	−37.74 (−7.64) ^a
	100	85.05 (95.89) ^a	79.78 (93.30) ^a	−44.22 (−7.56) ^a
	125	85.99 (95.56) ^a	83.53 (92.60) ^a	−32.92 (−9.80) ^a
	150	87.81 (95.70) ^a	85.15 (93.21) ^a	−28.09 (−6.73) ^a
AR	25	58.28 (96.14) ^a	91.94 (87.69) ^a	−9.14 (−7.14) ^a
	50	81.69 (102.16) ^a	79.64 (89.46) ^a	−39.82 (−6.81) ^a
	75	83.64 (97.44) ^a	81.99 (89.99) ^a	−37.49 (−2.57) ^a
	100	85.20 (98.75) ^a	82.96 (87.16) ^a	−34.66 (9.40) ^a
	125	86.22 (99.58) ^a	84.59 (91.59) ^a	−29.84 (9.24) ^a
	150	87.61 (98.05) ^a	88.91 (91.20) ^a	−16.87 (−2.15) ^a
TZ	25	77.33 (89.47) ^a	74.73 (87.69) ^a	−59.19 (−23.69) ^a
	50	81.86 (85.65) ^a	107.39 (89.46) ^a	36.84 (−18.53) ^a
	75	82.88 (92.85) ^a	106.97 (89.99) ^a	34.76 (−17.37) ^a
	100	83.47 (92.85) ^a	101.74 (87.16) ^a	23.12 (−25.77) ^a
	125	85.42 (94.44) ^a	82.35 (91.59) ^a	−36.41 (−13.04) ^a
	150	85.63 (93.90) ^a	90.91 (91.20) ^a	−10.30 (−14.96) ^a
FG	25	108.63 (59.26) ^a	106.08 (57.03) ^a	33.01 (−129.52) ^a
	50	109.78 (66.77) ^a	107.39 (64.44) ^a	36.84 (−107.41) ^a
	75	109.95 (63.54) ^a	106.97 (60.95) ^a	34.76 (−119.96) ^a
	100	105.78 (69.77) ^a	105.85 (66.95) ^a	30.27 (−102.17) ^a
	125	108.75 (67.78) ^a	106.07 (64.58) ^a	30.52 (−109.99) ^a
	150	106.23 (68.47) ^a	104.38 (64.14) ^a	23.87 (−106.33) ^a

^a: corresponds to results with the addition of KI.