Expired Lorazepam Drug: A Medicinal Compound as Green Corrosion Inhibitor for Mild Steel in Hydrochloric Acid System

Abstract The present study explores the green corrosion inhibition property of expired Lorazepam tablet on the mild steel (MS) in 3M HCl solution using gravimetric (mass loss), atomic absorption, Tafel plot, electrochemical impedance, quantum chemical, and scanning electron microscopy (SEM) studies....
Ausführliche Beschreibung

Gespeichert in:

Autor*in:	Raghavendra, Narasimha [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2019

Schlagwörter:	Expired Lorazepam drug Gravimetric Atomic absorption Tafel plot Electrochemical impedance

Anmerkung:	© The Tunisian Chemical Society and Springer Nature Switzerland AG 2019

Übergeordnetes Werk:	Enthalten in: Chemistry Africa - Cham : Springer International Publishing, 2018, 2(2019), 3 vom: 18. März, Seite 463-470
Übergeordnetes Werk:	volume:2 ; year:2019 ; number:3 ; day:18 ; month:03 ; pages:463-470

Links:	Volltext

DOI / URN:	10.1007/s42250-019-00061-2

Katalog-ID:	SPR03851141X

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publishDate	2019
allfields	10.1007/s42250-019-00061-2 doi (DE-627)SPR03851141X (SPR)s42250-019-00061-2-e DE-627 ger DE-627 rakwb eng Raghavendra, Narasimha verfasserin (orcid)0000-0001-8131-6813 aut Expired Lorazepam Drug: A Medicinal Compound as Green Corrosion Inhibitor for Mild Steel in Hydrochloric Acid System 2019 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Tunisian Chemical Society and Springer Nature Switzerland AG 2019 Abstract The present study explores the green corrosion inhibition property of expired Lorazepam tablet on the mild steel (MS) in 3M HCl solution using gravimetric (mass loss), atomic absorption, Tafel plot, electrochemical impedance, quantum chemical, and scanning electron microscopy (SEM) studies. It is found that; expired Lorazepam tablet shows the robust corrosion inhibition property (protection efficiency = 90%) on the MS at 0.4 g/L of expired Lorazepam drug (observed from the gravimetric studies) at 333 K with a contact time of 3 h. The significant enhancement in the protection performance of the expired Lorazepam tablet has been observed by atomic absorption spectroscopy technique. The results of Tafel plots show that, the presence of the expired Lorazepam tablet of different concentration decreases the both cathodic and anodic processes at MS in the 3M HCl solution by blocking the MS active sites and behave as a mixed mode corrosion inhibitor. Electrochemical impedance studies show that, increase in the amounts of expired Lorazepam tablet increases the charge transfer process at MS-HCl interface. The electron transfer nature of the expired Lorazepam tablet on the MS surface was confirmed from the Quantum chemical studies. The adsorbed invisible layer over the surface of MS was scrutinized by scanning electron microscopy technique. Expired Lorazepam drug (dpeaa)DE-He213 Gravimetric (dpeaa)DE-He213 Atomic absorption (dpeaa)DE-He213 Tafel plot (dpeaa)DE-He213 Electrochemical impedance (dpeaa)DE-He213 Enthalten in Chemistry Africa Cham : Springer International Publishing, 2018 2(2019), 3 vom: 18. März, Seite 463-470 (DE-627)1028896840 (DE-600)2939117-9 2522-5766 nnns volume:2 year:2019 number:3 day:18 month:03 pages:463-470 https://dx.doi.org/10.1007/s42250-019-00061-2 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_138 GBV_ILN_151 GBV_ILN_161 GBV_ILN_165 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 2 2019 3 18 03 463-470
spelling	10.1007/s42250-019-00061-2 doi (DE-627)SPR03851141X (SPR)s42250-019-00061-2-e DE-627 ger DE-627 rakwb eng Raghavendra, Narasimha verfasserin (orcid)0000-0001-8131-6813 aut Expired Lorazepam Drug: A Medicinal Compound as Green Corrosion Inhibitor for Mild Steel in Hydrochloric Acid System 2019 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Tunisian Chemical Society and Springer Nature Switzerland AG 2019 Abstract The present study explores the green corrosion inhibition property of expired Lorazepam tablet on the mild steel (MS) in 3M HCl solution using gravimetric (mass loss), atomic absorption, Tafel plot, electrochemical impedance, quantum chemical, and scanning electron microscopy (SEM) studies. It is found that; expired Lorazepam tablet shows the robust corrosion inhibition property (protection efficiency = 90%) on the MS at 0.4 g/L of expired Lorazepam drug (observed from the gravimetric studies) at 333 K with a contact time of 3 h. The significant enhancement in the protection performance of the expired Lorazepam tablet has been observed by atomic absorption spectroscopy technique. The results of Tafel plots show that, the presence of the expired Lorazepam tablet of different concentration decreases the both cathodic and anodic processes at MS in the 3M HCl solution by blocking the MS active sites and behave as a mixed mode corrosion inhibitor. Electrochemical impedance studies show that, increase in the amounts of expired Lorazepam tablet increases the charge transfer process at MS-HCl interface. The electron transfer nature of the expired Lorazepam tablet on the MS surface was confirmed from the Quantum chemical studies. The adsorbed invisible layer over the surface of MS was scrutinized by scanning electron microscopy technique. Expired Lorazepam drug (dpeaa)DE-He213 Gravimetric (dpeaa)DE-He213 Atomic absorption (dpeaa)DE-He213 Tafel plot (dpeaa)DE-He213 Electrochemical impedance (dpeaa)DE-He213 Enthalten in Chemistry Africa Cham : Springer International Publishing, 2018 2(2019), 3 vom: 18. März, Seite 463-470 (DE-627)1028896840 (DE-600)2939117-9 2522-5766 nnns volume:2 year:2019 number:3 day:18 month:03 pages:463-470 https://dx.doi.org/10.1007/s42250-019-00061-2 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_138 GBV_ILN_151 GBV_ILN_161 GBV_ILN_165 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 2 2019 3 18 03 463-470
allfields_unstemmed	10.1007/s42250-019-00061-2 doi (DE-627)SPR03851141X (SPR)s42250-019-00061-2-e DE-627 ger DE-627 rakwb eng Raghavendra, Narasimha verfasserin (orcid)0000-0001-8131-6813 aut Expired Lorazepam Drug: A Medicinal Compound as Green Corrosion Inhibitor for Mild Steel in Hydrochloric Acid System 2019 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Tunisian Chemical Society and Springer Nature Switzerland AG 2019 Abstract The present study explores the green corrosion inhibition property of expired Lorazepam tablet on the mild steel (MS) in 3M HCl solution using gravimetric (mass loss), atomic absorption, Tafel plot, electrochemical impedance, quantum chemical, and scanning electron microscopy (SEM) studies. It is found that; expired Lorazepam tablet shows the robust corrosion inhibition property (protection efficiency = 90%) on the MS at 0.4 g/L of expired Lorazepam drug (observed from the gravimetric studies) at 333 K with a contact time of 3 h. The significant enhancement in the protection performance of the expired Lorazepam tablet has been observed by atomic absorption spectroscopy technique. The results of Tafel plots show that, the presence of the expired Lorazepam tablet of different concentration decreases the both cathodic and anodic processes at MS in the 3M HCl solution by blocking the MS active sites and behave as a mixed mode corrosion inhibitor. Electrochemical impedance studies show that, increase in the amounts of expired Lorazepam tablet increases the charge transfer process at MS-HCl interface. The electron transfer nature of the expired Lorazepam tablet on the MS surface was confirmed from the Quantum chemical studies. The adsorbed invisible layer over the surface of MS was scrutinized by scanning electron microscopy technique. Expired Lorazepam drug (dpeaa)DE-He213 Gravimetric (dpeaa)DE-He213 Atomic absorption (dpeaa)DE-He213 Tafel plot (dpeaa)DE-He213 Electrochemical impedance (dpeaa)DE-He213 Enthalten in Chemistry Africa Cham : Springer International Publishing, 2018 2(2019), 3 vom: 18. März, Seite 463-470 (DE-627)1028896840 (DE-600)2939117-9 2522-5766 nnns volume:2 year:2019 number:3 day:18 month:03 pages:463-470 https://dx.doi.org/10.1007/s42250-019-00061-2 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_138 GBV_ILN_151 GBV_ILN_161 GBV_ILN_165 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 2 2019 3 18 03 463-470
allfieldsGer	10.1007/s42250-019-00061-2 doi (DE-627)SPR03851141X (SPR)s42250-019-00061-2-e DE-627 ger DE-627 rakwb eng Raghavendra, Narasimha verfasserin (orcid)0000-0001-8131-6813 aut Expired Lorazepam Drug: A Medicinal Compound as Green Corrosion Inhibitor for Mild Steel in Hydrochloric Acid System 2019 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Tunisian Chemical Society and Springer Nature Switzerland AG 2019 Abstract The present study explores the green corrosion inhibition property of expired Lorazepam tablet on the mild steel (MS) in 3M HCl solution using gravimetric (mass loss), atomic absorption, Tafel plot, electrochemical impedance, quantum chemical, and scanning electron microscopy (SEM) studies. It is found that; expired Lorazepam tablet shows the robust corrosion inhibition property (protection efficiency = 90%) on the MS at 0.4 g/L of expired Lorazepam drug (observed from the gravimetric studies) at 333 K with a contact time of 3 h. The significant enhancement in the protection performance of the expired Lorazepam tablet has been observed by atomic absorption spectroscopy technique. The results of Tafel plots show that, the presence of the expired Lorazepam tablet of different concentration decreases the both cathodic and anodic processes at MS in the 3M HCl solution by blocking the MS active sites and behave as a mixed mode corrosion inhibitor. Electrochemical impedance studies show that, increase in the amounts of expired Lorazepam tablet increases the charge transfer process at MS-HCl interface. The electron transfer nature of the expired Lorazepam tablet on the MS surface was confirmed from the Quantum chemical studies. The adsorbed invisible layer over the surface of MS was scrutinized by scanning electron microscopy technique. Expired Lorazepam drug (dpeaa)DE-He213 Gravimetric (dpeaa)DE-He213 Atomic absorption (dpeaa)DE-He213 Tafel plot (dpeaa)DE-He213 Electrochemical impedance (dpeaa)DE-He213 Enthalten in Chemistry Africa Cham : Springer International Publishing, 2018 2(2019), 3 vom: 18. März, Seite 463-470 (DE-627)1028896840 (DE-600)2939117-9 2522-5766 nnns volume:2 year:2019 number:3 day:18 month:03 pages:463-470 https://dx.doi.org/10.1007/s42250-019-00061-2 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_138 GBV_ILN_151 GBV_ILN_161 GBV_ILN_165 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 2 2019 3 18 03 463-470
allfieldsSound	10.1007/s42250-019-00061-2 doi (DE-627)SPR03851141X (SPR)s42250-019-00061-2-e DE-627 ger DE-627 rakwb eng Raghavendra, Narasimha verfasserin (orcid)0000-0001-8131-6813 aut Expired Lorazepam Drug: A Medicinal Compound as Green Corrosion Inhibitor for Mild Steel in Hydrochloric Acid System 2019 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Tunisian Chemical Society and Springer Nature Switzerland AG 2019 Abstract The present study explores the green corrosion inhibition property of expired Lorazepam tablet on the mild steel (MS) in 3M HCl solution using gravimetric (mass loss), atomic absorption, Tafel plot, electrochemical impedance, quantum chemical, and scanning electron microscopy (SEM) studies. It is found that; expired Lorazepam tablet shows the robust corrosion inhibition property (protection efficiency = 90%) on the MS at 0.4 g/L of expired Lorazepam drug (observed from the gravimetric studies) at 333 K with a contact time of 3 h. The significant enhancement in the protection performance of the expired Lorazepam tablet has been observed by atomic absorption spectroscopy technique. The results of Tafel plots show that, the presence of the expired Lorazepam tablet of different concentration decreases the both cathodic and anodic processes at MS in the 3M HCl solution by blocking the MS active sites and behave as a mixed mode corrosion inhibitor. Electrochemical impedance studies show that, increase in the amounts of expired Lorazepam tablet increases the charge transfer process at MS-HCl interface. The electron transfer nature of the expired Lorazepam tablet on the MS surface was confirmed from the Quantum chemical studies. The adsorbed invisible layer over the surface of MS was scrutinized by scanning electron microscopy technique. Expired Lorazepam drug (dpeaa)DE-He213 Gravimetric (dpeaa)DE-He213 Atomic absorption (dpeaa)DE-He213 Tafel plot (dpeaa)DE-He213 Electrochemical impedance (dpeaa)DE-He213 Enthalten in Chemistry Africa Cham : Springer International Publishing, 2018 2(2019), 3 vom: 18. März, Seite 463-470 (DE-627)1028896840 (DE-600)2939117-9 2522-5766 nnns volume:2 year:2019 number:3 day:18 month:03 pages:463-470 https://dx.doi.org/10.1007/s42250-019-00061-2 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_138 GBV_ILN_151 GBV_ILN_161 GBV_ILN_165 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 2 2019 3 18 03 463-470
language	English
source	Enthalten in Chemistry Africa 2(2019), 3 vom: 18. März, Seite 463-470 volume:2 year:2019 number:3 day:18 month:03 pages:463-470
sourceStr	Enthalten in Chemistry Africa 2(2019), 3 vom: 18. März, Seite 463-470 volume:2 year:2019 number:3 day:18 month:03 pages:463-470
format_phy_str_mv	Article
institution	findex.gbv.de
topic_facet	Expired Lorazepam drug Gravimetric Atomic absorption Tafel plot Electrochemical impedance
isfreeaccess_bool	false
container_title	Chemistry Africa
authorswithroles_txt_mv	Raghavendra, Narasimha @@aut@@
publishDateDaySort_date	2019-03-18T00:00:00Z
hierarchy_top_id	1028896840
id	SPR03851141X
language_de	englisch
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It is found that; expired Lorazepam tablet shows the robust corrosion inhibition property (protection efficiency = 90%) on the MS at 0.4 g/L of expired Lorazepam drug (observed from the gravimetric studies) at 333 K with a contact time of 3 h. The significant enhancement in the protection performance of the expired Lorazepam tablet has been observed by atomic absorption spectroscopy technique. The results of Tafel plots show that, the presence of the expired Lorazepam tablet of different concentration decreases the both cathodic and anodic processes at MS in the 3M HCl solution by blocking the MS active sites and behave as a mixed mode corrosion inhibitor. Electrochemical impedance studies show that, increase in the amounts of expired Lorazepam tablet increases the charge transfer process at MS-HCl interface. The electron transfer nature of the expired Lorazepam tablet on the MS surface was confirmed from the Quantum chemical studies. 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author	Raghavendra, Narasimha
spellingShingle	Raghavendra, Narasimha misc Expired Lorazepam drug misc Gravimetric misc Atomic absorption misc Tafel plot misc Electrochemical impedance Expired Lorazepam Drug: A Medicinal Compound as Green Corrosion Inhibitor for Mild Steel in Hydrochloric Acid System
authorStr	Raghavendra, Narasimha
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topic_title	Expired Lorazepam Drug: A Medicinal Compound as Green Corrosion Inhibitor for Mild Steel in Hydrochloric Acid System Expired Lorazepam drug (dpeaa)DE-He213 Gravimetric (dpeaa)DE-He213 Atomic absorption (dpeaa)DE-He213 Tafel plot (dpeaa)DE-He213 Electrochemical impedance (dpeaa)DE-He213
topic	misc Expired Lorazepam drug misc Gravimetric misc Atomic absorption misc Tafel plot misc Electrochemical impedance
topic_unstemmed	misc Expired Lorazepam drug misc Gravimetric misc Atomic absorption misc Tafel plot misc Electrochemical impedance
topic_browse	misc Expired Lorazepam drug misc Gravimetric misc Atomic absorption misc Tafel plot misc Electrochemical impedance
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title	Expired Lorazepam Drug: A Medicinal Compound as Green Corrosion Inhibitor for Mild Steel in Hydrochloric Acid System
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title_full	Expired Lorazepam Drug: A Medicinal Compound as Green Corrosion Inhibitor for Mild Steel in Hydrochloric Acid System
author_sort	Raghavendra, Narasimha
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title_sort	expired lorazepam drug: a medicinal compound as green corrosion inhibitor for mild steel in hydrochloric acid system
title_auth	Expired Lorazepam Drug: A Medicinal Compound as Green Corrosion Inhibitor for Mild Steel in Hydrochloric Acid System
abstract	Abstract The present study explores the green corrosion inhibition property of expired Lorazepam tablet on the mild steel (MS) in 3M HCl solution using gravimetric (mass loss), atomic absorption, Tafel plot, electrochemical impedance, quantum chemical, and scanning electron microscopy (SEM) studies. It is found that; expired Lorazepam tablet shows the robust corrosion inhibition property (protection efficiency = 90%) on the MS at 0.4 g/L of expired Lorazepam drug (observed from the gravimetric studies) at 333 K with a contact time of 3 h. The significant enhancement in the protection performance of the expired Lorazepam tablet has been observed by atomic absorption spectroscopy technique. The results of Tafel plots show that, the presence of the expired Lorazepam tablet of different concentration decreases the both cathodic and anodic processes at MS in the 3M HCl solution by blocking the MS active sites and behave as a mixed mode corrosion inhibitor. Electrochemical impedance studies show that, increase in the amounts of expired Lorazepam tablet increases the charge transfer process at MS-HCl interface. The electron transfer nature of the expired Lorazepam tablet on the MS surface was confirmed from the Quantum chemical studies. The adsorbed invisible layer over the surface of MS was scrutinized by scanning electron microscopy technique. © The Tunisian Chemical Society and Springer Nature Switzerland AG 2019
abstractGer	Abstract The present study explores the green corrosion inhibition property of expired Lorazepam tablet on the mild steel (MS) in 3M HCl solution using gravimetric (mass loss), atomic absorption, Tafel plot, electrochemical impedance, quantum chemical, and scanning electron microscopy (SEM) studies. It is found that; expired Lorazepam tablet shows the robust corrosion inhibition property (protection efficiency = 90%) on the MS at 0.4 g/L of expired Lorazepam drug (observed from the gravimetric studies) at 333 K with a contact time of 3 h. The significant enhancement in the protection performance of the expired Lorazepam tablet has been observed by atomic absorption spectroscopy technique. The results of Tafel plots show that, the presence of the expired Lorazepam tablet of different concentration decreases the both cathodic and anodic processes at MS in the 3M HCl solution by blocking the MS active sites and behave as a mixed mode corrosion inhibitor. Electrochemical impedance studies show that, increase in the amounts of expired Lorazepam tablet increases the charge transfer process at MS-HCl interface. The electron transfer nature of the expired Lorazepam tablet on the MS surface was confirmed from the Quantum chemical studies. The adsorbed invisible layer over the surface of MS was scrutinized by scanning electron microscopy technique. © The Tunisian Chemical Society and Springer Nature Switzerland AG 2019
abstract_unstemmed	Abstract The present study explores the green corrosion inhibition property of expired Lorazepam tablet on the mild steel (MS) in 3M HCl solution using gravimetric (mass loss), atomic absorption, Tafel plot, electrochemical impedance, quantum chemical, and scanning electron microscopy (SEM) studies. It is found that; expired Lorazepam tablet shows the robust corrosion inhibition property (protection efficiency = 90%) on the MS at 0.4 g/L of expired Lorazepam drug (observed from the gravimetric studies) at 333 K with a contact time of 3 h. The significant enhancement in the protection performance of the expired Lorazepam tablet has been observed by atomic absorption spectroscopy technique. The results of Tafel plots show that, the presence of the expired Lorazepam tablet of different concentration decreases the both cathodic and anodic processes at MS in the 3M HCl solution by blocking the MS active sites and behave as a mixed mode corrosion inhibitor. Electrochemical impedance studies show that, increase in the amounts of expired Lorazepam tablet increases the charge transfer process at MS-HCl interface. The electron transfer nature of the expired Lorazepam tablet on the MS surface was confirmed from the Quantum chemical studies. The adsorbed invisible layer over the surface of MS was scrutinized by scanning electron microscopy technique. © The Tunisian Chemical Society and Springer Nature Switzerland AG 2019
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title_short	Expired Lorazepam Drug: A Medicinal Compound as Green Corrosion Inhibitor for Mild Steel in Hydrochloric Acid System
url	https://dx.doi.org/10.1007/s42250-019-00061-2
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up_date	2024-07-03T18:35:05.130Z
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It is found that; expired Lorazepam tablet shows the robust corrosion inhibition property (protection efficiency = 90%) on the MS at 0.4 g/L of expired Lorazepam drug (observed from the gravimetric studies) at 333 K with a contact time of 3 h. The significant enhancement in the protection performance of the expired Lorazepam tablet has been observed by atomic absorption spectroscopy technique. The results of Tafel plots show that, the presence of the expired Lorazepam tablet of different concentration decreases the both cathodic and anodic processes at MS in the 3M HCl solution by blocking the MS active sites and behave as a mixed mode corrosion inhibitor. Electrochemical impedance studies show that, increase in the amounts of expired Lorazepam tablet increases the charge transfer process at MS-HCl interface. The electron transfer nature of the expired Lorazepam tablet on the MS surface was confirmed from the Quantum chemical studies. 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Expired Lorazepam Drug: A Medicinal Compound as Green Corrosion Inhibitor for Mild Steel in Hydrochloric Acid System

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