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 | |
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% | |
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 | ||||
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 | |
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 | |
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 | |
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 | |
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 | |
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 | |
10 | Ciprofloxacin | Antibacterial |
| Bronze/simulating acid rain (pH 4) | PDP, EIS | %η-56.6% at 2000 ppm | ||
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 | |
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% |










