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In our laboratory, much work has been conducted to study the synergism between RE ions and other compounds on the corrosion of some metals and alloys in strong acidic media. In 1996, the synergistic inhibition between anionic surfactant (sodium dodecyl sulfonate, SDS) and La3+ for mild steel corrosion in 1.0 M HCl was reported . Recently, the synergistic effect of Na2MoO4 and Ce4+ on CRS corrosion inhibition in 1.0 M HCl was also investigated . In the present work, the synergism between Ce4+ and organic compound iso-vanillin on CRS in sulfuric acid is first studied by weight loss and potentiodynamic |
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sun072(½ð±Ò+5, ·ÒëEPI+1): ºÜºÃ лл 2011-06-06 08:24:42
| In our laboratory, much work has been conducted to study the synergism between RE ions and other compounds on the corrosion of some metals and alloys in strong acidic media. ÔÚÎÒÃÇʵÑéÊÒ£¬¿ªÕ¹ÁËÐí¶à¹ØÓÚREÀë×ÓºÍÆäËü»¯ºÏÎïÖ®¼ä¶ÔijЩ½ðÊôºÍºÏ½ðÔÚËáÐÔ½éÖÊÖÐÐâÊ´µÄÐͬ×÷ÓõÄÑо¿¡£In 1996, the synergistic inhibition between anionic surfactant (sodium dodecyl sulfonate, SDS) and La3+ for mild steel corrosion in 1.0 M HCl was reported . 1996Ä꣬ÒõÀë×Ó±íÃæ»îÐÔ¼ÁºÍLa3+¶Ô1.0 M HCl ÖеÍ̼¸ÖÐâÊ´µÄÐͬÒÖÖÆ¼ûÖîÏà¹Ø±¨µÀ¡£Recently, the synergistic effect of Na2MoO4 and Ce4+ on CRS corrosion inhibition in 1.0 M HCl was also investigated . ½üÀ´£¬Na2MoO4 ºÍ Ce4+ ¶Ô ÀäÔþ¸ÖÔÚ1.0 M HClÖÐÐâÊ´ÒÖÖÆ·½ÃæµÄÐͬЧӦҲµÃµ½Ñо¿¡£ In the present work, the synergism between Ce4+ and organic compound iso-vanillin on CRS in sulfuric acid is first studied by weight loss and potentiodynamic ÔÚµ±Ç°µÄ¹¤×÷ÖУ¬Í¨¹ýÊ§ÖØ·¨ºÍ¶¯µçλ¶ÔCe4+ºÍÓлú»¯ºÏÎïÒìÏã²ÝÈ©¶ÔÁòËáÖÐÀäÔþ¸ÖÐâÊ´ÒÖÖÆµÄÐͬ×÷ÓýøÐÐÁ˳õ²½Ñо¿¡£ |
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