Table 4 Temperature evolution for each concentration of both Tetra-Pz-Ortho and Tetra-Pz-Para in 1 M HCl.

From: Experimental and computational approach on the corrosion inhibition properties of two newly pyrazole derivatives on carbon steel in acid medium

T

(K)

Conc.

(M)

Tetra-Pz-Ortho

Tetra-Pz-Para

Wcor

(mg cm− 2h− 1)

ηW(%)

θ

Wcor

(mg cm− 2h− 1)

ηW

(%)

θ

303

Blank

1.519

1.519

10− 6

0.406

73.3

0.733

0.497

67.3

0.673

10− 5

0.289

81.0

0.810

0.304

80.0

0.800

10− 4

0.179

88.2

0.882

0.217

85.7

0.857

10− 3

0.113

92.6

0.926

0.134

91.2

0.912

313

Blank

2.737

2.737

10− 6

1.094

60.0

0.600

0.971

64.5

0.645

10− 5

0.627

77.1

0.771

0.684

75.0

0.750

10− 4

0.405

85.2

0.852

0.512

81.3

0.813

10− 3

0.278

89.8

0.898

0.266

90.3

0.903

323

Blank

4.457

4.457

10− 6

1.908

57.2

0.572

1.767

60.4

0.604

10− 5

1.141

74.4

0.744

1.178

73.6

0.736

10− 4

0.812

81.8

0.818

0.975

78.1

0.781

10− 3

0.602

86.5

0.865

0.558

87.5

0.875

333

Blank

7.108

7.108

10− 6

3.197

55.0

0.550

3.065

56.9

0.569

10− 5

2.089

70.6

0.706

2.108

70.3

0.703

10− 4

1.558

78.1

0.781

1.755

75.3

0.753

10− 3

1.240

82.6

0.826

1.119

84.3

0.843