ADSORPTION OF OCTADECYLDIMETHYLBENZYLAMMONIUM CHLORIDE TO 2 CARBON-STEEL MICROSTRUCTURES AS OBSERVED WITH SURFACE-ENHANCED RAMAN-SPECTROSCOPY

被引：26

作者：

OBLONSKY, LJ ^{[1
]}

CHESNUT, GR ^{[1
]}

DEVINE, TM ^{[1
]}

机构：

[1] ARCO EXPLORAT & PROD TECHNOL,PLANO,TX

来源：

CORROSION | 1995年 / 51卷 / 12期

关键词：

ADSORPTION; BONDING; CARBON STEEL; CARBONATE BICARBONATE SOLUTIONS; INHIBITORS; IRON OXIDE; OCTADECYLDIMETHYLBENZYLAMMONIUM CHLORIDE; ORGANIC INHIBITORS; POTENTIAL; RAMAN SPECTROSCOPY;

D O I：

10.5006/1.3293565

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Adsorption of the inhibitor octadecyldimethylbenzylammonium chloride (ODBAC) to two carbon steel microstructures, one ferritic-pearlitic and one martensitic, in 0.15 M sodium carbonate (Na2CO3) + 0.15 M sodium bicarbonate (NaHCO3) solution of pH 10 was investigated using surface-enhanced Raman spectroscopy (SERS), ODBAC physisorbed strongly to the ferritic-pearlitic steel and weakly to the martensitic steel. A weak metal-ODBAC bond formed between the metal surface and the ODBAC ring substituent, oriented at an inclined angle to the metal surface. Physisorption of ODBAC was found to depend upon potential, and this was correlated to the potential-dependent presence of magnetite (Fe3O4).

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页码：891 / 900

页数：10

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