Table 2. Data of Weight-Loss Measurements for Carbon Steel in 1.0 M HCl Solution in the Absence and Presence of Different Concentrations of Investigated Inhibitors at Different Temperatures.

		30 °C		35 °C		40 °C		45 °C
inhibitor	conc. × 10–5 M	Θ	%IE	Θ	%IE	Θ	%IE	Θ	%IE
CMBTAP	1	0.265	26.5	0.229	22.9	0.208	20.8	0.162	16.2
	5	0.354	35.4	0.325	32.5	0.303	30.3	0.283	28.3
	10	0.503	50.3	0.475	47.5	0.463	46.3	0.426	42.6
	15	0.578	57.8	0.562	56.2	0.557	55.7	0.525	52.5
	20	0.689	68.9	0.673	67.3	0.661	66.1	0.636	63.6
CBAN	1	0.233	23.3	0.197	19.7	0.175	17.5	0.118	11.8
	5	0.292	29.2	0.262	26.2	0.241	24.1	0.221	22.1
	10	0.391	39.1	0.363	36.3	0.347	34.7	0.314	31.4
	15	0.478	47.8	0.461	46.1	0.451	45.1	0.429	42.9
	20	0.569	56.9	0.552	55.2	0.543	54.3	0.515	51.5
CBAMP	1	0.306	30.6	0.279	27.9	0.248	24.8	0.183	18.3
	5	0.362	36.2	0.334	33.4	0.312	31.2	0.291	29.1
	10	0.471	47.1	0.443	44.3	0.427	42.7	0.393	39.3
	15	0.508	50.8	0.501	50.1	0.49	49	0.498	49.8
	20	0.584	58.4	0.568	56.8	0.559	55.9	0.532	53.2