The study of the inhibitory properties of benzoin, benzil, benzoin-(4-phenylthiosemicarbazone) and benzil-(4-phenylthiosemicarbazone) on the corrosion of mild steel in hydrochloric acid

被引：83

作者：

Ita, BI ^{[1
]}

Offiong, OE ^{[1
]}

机构：

[1] Univ Calabar, Dept Chem, Phys & Inorgan Chem Lab, Calabar, CRS, Nigeria

来源：

MATERIALS CHEMISTRY AND PHYSICS | 2001年 / 70卷 / 03期

关键词：

corrosion inhibition; thiosemicarbazone; mild steel; chemisorption;

D O I：

10.1016/S0254-0584(00)00476-4

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The effects of benzoin (BN), benzil (BL), benzoin-(4-phenylthiosemicarbazone) (BN4PTSC) and benzil-(4-phenylthiosemicarbazone) (BL4PTSC) on the corrosion of mild steel in hydrochloric acid have been studied. Weight loss and hydrogen evolution measurements reveal that BN exhibit a higher maximum inhibition efficiency than BN4PTSC, BL and BL4PTSC. Generally, inhibition was found to increase with increase in inhibitor concentration and temperature. Chemical adsorption mechanism has been proposed for the inhibitors and the difference in the inhibition behaviour of the compounds has been explained in terms of the solubility of the compounds as well as the strength of the inhibitor-metal bond. (C) 2001 Elsevier Science B.V. All rights reserved.

引用

页码：330 / 335

页数：6

共 17 条

[1] CORROSION INHIBITION AND ADSORPTION BEHAVIOR OF SOME THIOAMIDES ON MILD-STEEL IN SULFURIC-ACID [J].

ATEYA, BG ;

ELANADOULI, BE ;

ELNIZAMY, FMA .

BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN, 1981, 54 (10) :3157-3161

[2]

Barrow G.M., 1983, PHISICAL CHEM, V4th, P739

[3] INHIBITORY-ACTION OF METHYL AND PHENYL THIOSEMICARBAZONE DERIVATIVES ON THE CORROSION OF MILD-STEEL IN HYDROCHLORIC-ACID [J].

EKPE, UJ ;

IBOK, UJ ;

ITA, BI ;

OFFIONG, OE ;

EBENSO, EE .

MATERIALS CHEMISTRY AND PHYSICS, 1995, 40 (02) :87-93

[4]

Ekpe UJ., 1994, JW Afri. Sci. Assoc, V37, P13

[5] ACTION OF POLAR ORGANIC INHIBITORS IN ACID DISSOLUTION OF METALS [J].

HACKERMAN, N ;

MAKRIDES, AC .

INDUSTRIAL AND ENGINEERING CHEMISTRY, 1954, 46 (03) :523-527

[6]

HACKERMAN N, 1962, CORROSION, V18, P37

[7]

HACKERMAN N, 1954, EFFECT SORPTION META, V17, P7

[8] CORROSION-INHIBITORS 21 (1) - INVESTIGATIONS INTO AUTOXIDATION OF FE2+ SALTS OF TETRAMETHYLENE-1,4-BIS-PHOSPHONIC ACIDS, HEXAMETHYLENE-1,6-BIS-PHOSPHONIC ACIDS, BENZENE-1,4-BIS-PHOSPHONIC ACIDS, PHOSPHORIC-ACID AND PYROPHOSPHORIC ACID AS A MODEL OF A SURFACE-LAYER INHIBITING CORROSION OF IRON [J].

HORNER, L ;

HORNER, CL .

WERKSTOFFE UND KORROSION-MATERIALS AND CORROSION, 1978, 29 (02) :101-105

[9]

Ita B. I., 2000, GLOBAL J PURE APPL S, V6, P239

[10] The inhibition of mild steel corrosion in hydrochloric acid by 2,2'-pyridil and alpha-pyridoin [J].

Ita, BI ;

Offiong, OE .

MATERIALS CHEMISTRY AND PHYSICS, 1997, 51 (03) :203-210

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