铈(Ⅲ)-巴比妥钠配合物催化双(对硝基苯基)磷酸酯水解性能

doi:10.11944/j.issn.1000-0518.2015.12.150250

摘要/Abstract

摘要：

研究了Ce(Ⅲ)离子与巴比妥钠形成的配合物对双(对硝基苯基)磷酸酯(BNPP)的催化水解作用。结果表明, Ce(Ⅲ)与巴比妥钠形成的配合物对BNPP的水解具有很高的催化活性,可使BNPP水解速率提高至自发水解时的1.52×10⁸倍。体系的pH值和温度对催化水解反应的影响,发现在温度为25 ℃和pH值为8.50的条件下,催化效果最佳。

关键词: 铈(Ⅲ), 巴比妥钠, 铈(Ⅲ)-巴比妥配合物, 双(对硝基苯基)磷酸酯水解, 催化活性

Abstract:

Hydrolysis of bis(p-nitrophenyl) phosphate(BNPP) catalyzed by Ce(Ⅲ)-barbitone complex was explored. The results indicate that the Ce(Ⅲ)-barbitone complex exhibits excellent catalytic activity for BNPP hydrolysis. The complex can increase the rate of the BNPP hydrolysis by a factor of 1.52×10⁸ times compared to that of the spontaneous hydrolysis. The effect of temperature and pH on the catalytic activity of Ce(Ⅲ)-barbitone complex for BNPP hydrolysis was also investigated. It is found that the optimal catalytic condition is at 25 ℃ and pH 8.50.

Key words: Ce(Ⅲ), barbitone sodium, Ce(Ⅲ)-barbitone complex, bis(p-nitrophenyl) phosphate hydrolysis, catalytic activity

柳红军, 周通, 沈玉华, 谢安建. 铈(Ⅲ)-巴比妥钠配合物催化双(对硝基苯基)磷酸酯水解性能[J]. 应用化学, 2015, 32(12): 1410-1415.

LIU Hongjun, ZHOU Tong, SHEN Yuhua, XIE Anjian. Catalytic Performance of Ce(Ⅲ)-barbitone Complex for Bis(p-nitrophenyl) Phosphate Hydrolysis[J]. Chinese Journal of Applied Chemistry, 2015, 32(12): 1410-1415.

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