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New bipyrazolic derivatives as corrosion inhibitors of steel in 1 M HCl
The inhibition of corrosion of steel in molar hydrochloric acid solution by two bipyrazolic compounds is studied by weight loss and electrochemical polarisation measurements. The two methods give consistent results. The polarisation curves indicate that the bipyrazolic compounds act as mixed-type in...
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| Published in: | Progress in organic coatings 2005-11, Vol.54 (3), p.170-174 |
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| Main Authors: | , , , , , , |
| Format: | Article |
| Language: | English |
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| container_end_page | 174 |
| container_issue | 3 |
| container_start_page | 170 |
| container_title | Progress in organic coatings |
| container_volume | 54 |
| creator | Tebbji, K. Aouniti, A. Benkaddour, M. Oudda, H. Bouabdallah, I. Hammouti, B. Ramdani, A. |
| description | The inhibition of corrosion of steel in molar hydrochloric acid solution by two bipyrazolic compounds is studied by weight loss and electrochemical polarisation measurements. The two methods give consistent results. The polarisation curves indicate that the bipyrazolic compounds act as mixed-type inhibitors. These compounds are efficient inhibitors. The inhibition efficiency increases with the increase of inhibitor concentration to reach 96 and 92% at 5
×
10
−4
M for Bipyr
1
and Bipyr
2
, respectively. The temperature effect on the corrosion behaviour of steel in 1
M HCl with and without the bipyrazolic compounds at 5
×
10
−4
M is studied in the temperature range from 308 to 353
K. The adsorption of inhibitors on the steel surface is found to obey the Frumkin adsorption isotherm model. From the adsorption isotherm, some thermodynamic data for the adsorption process (
f,
K and
Δ
G
ads
∘
) are calculated and discussed. |
| doi_str_mv | 10.1016/j.porgcoat.2005.06.001 |
| format | article |
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×
10
−4
M for Bipyr
1
and Bipyr
2
, respectively. The temperature effect on the corrosion behaviour of steel in 1
M HCl with and without the bipyrazolic compounds at 5
×
10
−4
M is studied in the temperature range from 308 to 353
K. The adsorption of inhibitors on the steel surface is found to obey the Frumkin adsorption isotherm model. From the adsorption isotherm, some thermodynamic data for the adsorption process (
f,
K and
Δ
G
ads
∘
) are calculated and discussed.</description><identifier>ISSN: 0300-9440</identifier><identifier>EISSN: 1873-331X</identifier><identifier>DOI: 10.1016/j.porgcoat.2005.06.001</identifier><language>eng</language><publisher>Lausanne: Elsevier B.V</publisher><subject>Applied sciences ; Bipyrazole ; Corrosion ; Corrosion mechanisms ; Exact sciences and technology ; Hydrochloric acid solution ; Inhibition ; Metals. Metallurgy ; Steel</subject><ispartof>Progress in organic coatings, 2005-11, Vol.54 (3), p.170-174</ispartof><rights>2005 Elsevier B.V.</rights><rights>2005 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=17158261$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Tebbji, K.</creatorcontrib><creatorcontrib>Aouniti, A.</creatorcontrib><creatorcontrib>Benkaddour, M.</creatorcontrib><creatorcontrib>Oudda, H.</creatorcontrib><creatorcontrib>Bouabdallah, I.</creatorcontrib><creatorcontrib>Hammouti, B.</creatorcontrib><creatorcontrib>Ramdani, A.</creatorcontrib><title>New bipyrazolic derivatives as corrosion inhibitors of steel in 1 M HCl</title><title>Progress in organic coatings</title><description>The inhibition of corrosion of steel in molar hydrochloric acid solution by two bipyrazolic compounds is studied by weight loss and electrochemical polarisation measurements. The two methods give consistent results. The polarisation curves indicate that the bipyrazolic compounds act as mixed-type inhibitors. These compounds are efficient inhibitors. The inhibition efficiency increases with the increase of inhibitor concentration to reach 96 and 92% at 5
×
10
−4
M for Bipyr
1
and Bipyr
2
, respectively. The temperature effect on the corrosion behaviour of steel in 1
M HCl with and without the bipyrazolic compounds at 5
×
10
−4
M is studied in the temperature range from 308 to 353
K. The adsorption of inhibitors on the steel surface is found to obey the Frumkin adsorption isotherm model. From the adsorption isotherm, some thermodynamic data for the adsorption process (
f,
K and
Δ
G
ads
∘
) are calculated and discussed.</description><subject>Applied sciences</subject><subject>Bipyrazole</subject><subject>Corrosion</subject><subject>Corrosion mechanisms</subject><subject>Exact sciences and technology</subject><subject>Hydrochloric acid solution</subject><subject>Inhibition</subject><subject>Metals. Metallurgy</subject><subject>Steel</subject><issn>0300-9440</issn><issn>1873-331X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2005</creationdate><recordtype>article</recordtype><recordid>eNo1kFFLwzAUhYMoOKd_QfLiY-tN0qTpmzJ0E6a-KPgW0vRWM2pTkjKZv34d06cL534cDh8h1wxyBkzdbvIhxE8X7JhzAJmDygHYCZkxXYpMCPZxSmYgALKqKOCcXKS0AQAlRDUjyxf8obUfdtH-hs472mD0Wzv6LSZqE3UhxpB86Knvv3ztxxATDS1NI2I3ZZTRZ7padJfkrLVdwqu_Oyfvjw9vi1W2fl0-Le7XGfKCj1lV6oJVVSFaCa1uuNa1Eg3UspTaKl1LiUqVrHBcTUDJS4eu1tOLM1tjI8Wc3Bx7B5uc7dpoe-eTGaL_tnFnWMmk5opN3N2Rw2nM1mM0yXnsHTY-ohtNE7xhYA4Czcb8CzQHgQaUmQSKPdBdZpU</recordid><startdate>20051101</startdate><enddate>20051101</enddate><creator>Tebbji, K.</creator><creator>Aouniti, A.</creator><creator>Benkaddour, M.</creator><creator>Oudda, H.</creator><creator>Bouabdallah, I.</creator><creator>Hammouti, B.</creator><creator>Ramdani, A.</creator><general>Elsevier B.V</general><general>Elsevier Sequoia</general><scope>IQODW</scope></search><sort><creationdate>20051101</creationdate><title>New bipyrazolic derivatives as corrosion inhibitors of steel in 1 M HCl</title><author>Tebbji, K. ; Aouniti, A. ; Benkaddour, M. ; Oudda, H. ; Bouabdallah, I. ; Hammouti, B. ; Ramdani, A.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-e242t-978419943f50f8d288b63d0b5758a68b55e66714c2650f727cecb88a621abed53</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2005</creationdate><topic>Applied sciences</topic><topic>Bipyrazole</topic><topic>Corrosion</topic><topic>Corrosion mechanisms</topic><topic>Exact sciences and technology</topic><topic>Hydrochloric acid solution</topic><topic>Inhibition</topic><topic>Metals. Metallurgy</topic><topic>Steel</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Tebbji, K.</creatorcontrib><creatorcontrib>Aouniti, A.</creatorcontrib><creatorcontrib>Benkaddour, M.</creatorcontrib><creatorcontrib>Oudda, H.</creatorcontrib><creatorcontrib>Bouabdallah, I.</creatorcontrib><creatorcontrib>Hammouti, B.</creatorcontrib><creatorcontrib>Ramdani, A.</creatorcontrib><collection>Pascal-Francis</collection><jtitle>Progress in organic coatings</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Tebbji, K.</au><au>Aouniti, A.</au><au>Benkaddour, M.</au><au>Oudda, H.</au><au>Bouabdallah, I.</au><au>Hammouti, B.</au><au>Ramdani, A.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>New bipyrazolic derivatives as corrosion inhibitors of steel in 1 M HCl</atitle><jtitle>Progress in organic coatings</jtitle><date>2005-11-01</date><risdate>2005</risdate><volume>54</volume><issue>3</issue><spage>170</spage><epage>174</epage><pages>170-174</pages><issn>0300-9440</issn><eissn>1873-331X</eissn><abstract>The inhibition of corrosion of steel in molar hydrochloric acid solution by two bipyrazolic compounds is studied by weight loss and electrochemical polarisation measurements. The two methods give consistent results. The polarisation curves indicate that the bipyrazolic compounds act as mixed-type inhibitors. These compounds are efficient inhibitors. The inhibition efficiency increases with the increase of inhibitor concentration to reach 96 and 92% at 5
×
10
−4
M for Bipyr
1
and Bipyr
2
, respectively. The temperature effect on the corrosion behaviour of steel in 1
M HCl with and without the bipyrazolic compounds at 5
×
10
−4
M is studied in the temperature range from 308 to 353
K. The adsorption of inhibitors on the steel surface is found to obey the Frumkin adsorption isotherm model. From the adsorption isotherm, some thermodynamic data for the adsorption process (
f,
K and
Δ
G
ads
∘
) are calculated and discussed.</abstract><cop>Lausanne</cop><pub>Elsevier B.V</pub><doi>10.1016/j.porgcoat.2005.06.001</doi><tpages>5</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0300-9440 |
| ispartof | Progress in organic coatings, 2005-11, Vol.54 (3), p.170-174 |
| issn | 0300-9440 1873-331X |
| language | eng |
| recordid | cdi_pascalfrancis_primary_17158261 |
| source | Elsevier |
| subjects | Applied sciences Bipyrazole Corrosion Corrosion mechanisms Exact sciences and technology Hydrochloric acid solution Inhibition Metals. Metallurgy Steel |
| title | New bipyrazolic derivatives as corrosion inhibitors of steel in 1 M HCl |
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