Table 6 Comparative data showing the performance of the other drugs.

From: Corrosion inhibition of mild steel in hydrochloric acid solution by the expired Ampicillin drug

S. no.

Drug name

Biological nature of drug

Structure

Material and corrosive medium

Characterization technique

Findings

ν and %η

References

1

Cefdinir

Antibiotic

MS/1 M HCl,308–338 K

WL, EIS, PDP, AFM, DFT, MD

Mixed type/Langmuir adsorption isotherm

%η-96.9% at 6.32 × 10–4 M

71

2

Pyrazinamide

Antimycobacterial

MS/0.5 M HCl, 303–333 K

WL, PDP,EIS, SEM, DFT, MD

Mixed type/Langmuir adsorption isotherm, IE increased with temp

ν0-8.36 (mmpy)

νi-1.10 (mmpy)

%η- 86.8%

72

3

Isoniazid

Antibiotic

   

νi-0.28 (mmpy)

%η-96.6% at 303 K νi-2.86 (mmpy)

%η-92.5% at 313 K at

1000 ppm

72

4

Omeprazole

Proton pump inhibitors

C38 Steel/1.0 MH3PO4

WL, PDP, EIS, SEM–EDS

Mixed type/Langmuir adsorption isotherm

ν0-5.99 (mg cm−2 h−1)

νi-0.34 (mg cm−2 h−1) IE-94.3% at 7 × 10–4 M

73

5

Ibuprofen

Anti-inflammatory, analgesic and antipyretic drug

Cu/synthetic acid rain solution

EIS, PDP, WL, QCP

Mixed (cathodic) type/Langmuir adsorption isotherm

%η-91% at 1 × 10–2 M

74

6

Gentamicin

Antibiotic

Al/1 M HCl

WL, HE, galvanostaticpolarization, EIS

Mixed type/Langmuir adsorption isotherm

ν0-0.443 (mg cm−2 min−1)

νi-0.048 (mg cm−2 min−1) IE-89.1% at 1000 ppm

75

7

Kanamycin

Antibiotic

Al/1 M HCl

WL, HE, galvanostatic polarization, EIS

Mixed type/Langmuir adsorption isotherm

νi-0.039 (mg cm−2 min−1) %η-91.9% at 1000 ppm

34

8

Amikacin

Antibiotic

Al/1 M HCl

WL, HE, galvanostatic polarization, EIS

Mixed type/Langmuir adsorption isotherm

νi-0.028 (mg cm−2 min−1) %η-91.9% at 1000 ppm

76

9

Seroquel

Antipsychotics

Zn/0.1 M HCl, 303–313 K

WL, EIS, PDP

Mixed type/Temkin adsorption isotherm

ν0- 0.010 (g cm2 h−1)

νi-0.0042 (g cm2 h−1)

%η- 60.3% at 1000 ppm

34

10

Ciprofloxacin

Antibacterial

Bronze/simulating acid rain (pH 4)

PDP, EIS

 

%η-56.6% at 2000 ppm

34

11

Desloratidine

Antihistamines

CS X52/1 M HCl

WL, PDP, EIS, SEM, AFM

Cathodic type/Langmuir adsorption isotherm

%η–85.2% at 19.3 × 10–5 M at 298 K

77

12

Ciprofloxacin and amoxicillin

(Antibacterial

 

Bronze in a solution simulating acid rain (pH 4)

Polarization curves, EIS, PDP, SEM AND XPS measurements

 

Ciprofloxacin (2000 ppm)− 56.6%, Amoxicillin (800 ppm) − 28.8%

34