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葡萄糖酸钠和苯甲酸钠体系与锌盐、镧盐对Z30铸铁片的缓蚀协同研究

, PP. 314-318

Keywords: 铁质文物,协同缓蚀作用,复配,极化曲线

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Abstract:

采用失重法研究了复配葡萄糖酸钠、苯甲酸钠与硫酸锌、硝酸镧可溶性盐在pH值为6.5的3.5%NaCl溶液中对Z30铸铁片的缓蚀效应.结果表明当葡萄糖酸钠、苯甲酸钠的浓度均为250mg/L,Zn2+浓度分别为2mmol/L与3mmol/L时,缓蚀率高达92.5%与95.3%,而加入La3+浓度为0.5mmol/L时,缓蚀率可达86.7%.

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