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物理化学学报 2009
盐酸溶液中钢铁腐蚀的绿色缓蚀剂柠檬油精Keywords: corrosion,inhibition,limonene,acid,adsorption Abstract: theinhibitionofsteelcorrosioninhydrochloricacidsolutionsbylimonene,whichwasextractedfromcitrusandorangefruit,wasstudiedusingmeasurementsofmassloss,electrochemicalpolarisationandelectrochemicalimpedancespectroscopy(eis)methods.naturally,thesubstancereducedtherateofcorrosion.thelinearityofthecathodiccurvesforallconcentrationsindicatedthatthelawoftafelwasfollowed.theeffectivenessofinhibitionincreasedwiththeincreaseinconcentrationoflimoneneandthisexceeded72%at0.220g·l-1.theinhibitionefficiencyistemperatureindependentinthetemperaturerangeof298-328k.adsorptionofthesubstanceonthesurfaceofsteelobeysthefrumkinisothermmodel.
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