引用本文:
朱志良, 袁莉莉, 郜俊影, 张荣华, 李风亭. SERS技术对聚天冬氨酸缓蚀性能的研究[J]. 应用化学,
2004, 21(9): 969-970.
Citation: ZHU Zhi-Liang, YUAN Li-Li, GAO Jun-Ying, ZHANG Rong-Hua, LI Feng-Ting. SERS Study on the Corrosion Inhibition of Poly(aspartic acid)[J]. Chinese Journal of Applied Chemistry, 2004, 21(9): 969-970.
Citation: ZHU Zhi-Liang, YUAN Li-Li, GAO Jun-Ying, ZHANG Rong-Hua, LI Feng-Ting. SERS Study on the Corrosion Inhibition of Poly(aspartic acid)[J]. Chinese Journal of Applied Chemistry, 2004, 21(9): 969-970.
SERS技术对聚天冬氨酸缓蚀性能的研究
English
SERS Study on the Corrosion Inhibition of Poly(aspartic acid)
Abstract:
Polyaspartic acid(PASP) was synthesized by polycondensate of L-aspartic acid using H3PO4 as a catalyst. The corrosion inhibition performance of PASP on carbon steel was studied by a rotating hanging slice method. The results showed that the corrosion inhibitory efficiency rose with the increasing of the concentration of PASP. It also indicated that the highest corrosion inhibitory efficiency reached 93% when the concentration of PASP was 100 mg/L. The strong adsorption signal of PASP on the carbon steel surfaces was detected by surface-enhanced Raman scattering(SERS) technique. The results suggested that the high corrosion inhibitory efficiency appeared owing to the chemical adsorption of carboxyl groups in PASP on steel surface.
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