[1]冯长生,熊健西,张 政,等.硝基苯甲酸同分异构体分析及其在废水预处理中的应用[J].南京师范大学学报(工程技术版),2020,20(01):049-56.[doi:10.3969/j.issn.1672-1292.2020.01.008]
　Feng Changsheng,Xiong Jianxi,Zhang Zheng,et al.Analysis of Nitrobenzoic Acid Isomers and Its Applicationin Wastewater Pretreatment[J].Journal of Nanjing Normal University(Engineering and Technology),2020,20(01):049-56.[doi:10.3969/j.issn.1672-1292.2020.01.008]
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硝基苯甲酸同分异构体分析及其在废水预处理中的应用
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南京师范大学学报（工程技术版）[ISSN:1006-6977/CN:61-1281/TN]

卷:
20卷
期数:
2020年01期
页码:
049-56
栏目:
化学工程与技术
出版日期:
2020-03-15

文章信息/Info

Title:
Analysis of Nitrobenzoic Acid Isomers and Its Applicationin Wastewater Pretreatment
文章编号:
1672-1292(2020)01-0049-08
作者:
冯长生1; 2; 熊健西1; 2; 张 政1; 2; 蒋彩云3; 4; 王玉萍1; 2
(1.南京师范大学化学与材料科学学院,江苏 南京 210023)(2.南京师范大学江苏省物质循环与污染控制重点实验室,江苏 南京 210023)(3.江苏经贸职业技术学院工程技术系,江苏 南京 210007)(4.江苏经贸职业技术学院江苏省食品安全工程技术研发中心,江苏 南京 210007)
Author(s):
Feng Changsheng1; 2; Xiong Jianxi1; 2; Zhang Zheng1; 2; Jiang Caiyun3; 4; Wang Yuping1; 2
(1.School of Chemistry and Materials Science,Nanjing Normal University,Nanjing 210023,China)(2.Jiangsu Provincial Key Laboratory of Materials Cycling and Pollution Control,Nanjing Normal University,Nanjing 210023,China)(3.Department of Engineering and T
关键词:
硝基苯甲酸; 同分异构体; 高效液相色谱; 定量分析; 废水
Keywords:
nitrobenzoic acid; isomer; high performance liquid chromatography; quantitative analysis; wastewater
分类号:
O661.1
DOI:
10.3969/j.issn.1672-1292.2020.01.008
文献标志码:
A
摘要:
间硝基苯甲酸生产及精制过程中会产生大量高浓度硝基苯甲酸同分异构体废水. 为了选择和优化废水预处理的工艺条件,需要分离和检测样品中的各种硝基苯甲酸. 本研究建立一种采用高效液相色谱分离检测硝基苯甲酸同分异构体的方法,使用XDB-C18色谱柱,以甲醇-乙酸溶液(pH=3.0)(体积比为35:65)为流动相,紫外检测波长为267 nm,考察了流动相组成、体积比、pH值及流速等对硝基苯甲酸同分异构体分离度的影响. 结果表明:邻、间、对硝基苯甲酸分别在12.14～194.0 mg/L、13.78～220.4 mg/L、6.450～103.2 mg/L范围内线性关系良好,相关性系数R2均大于0.999 5,相对标准偏差均小于1.04%. 利用该方法能够为间硝基苯甲酸精制废水预处理过程提供分析.
Abstract:
The production and refining of m-nitrobenzoic acid will produce a large amount of wastewater with high concentration of nitrobenzoic acid isomers. In order to select and optimize the technological conditions for wastewater pretreatment,it is necessary to separate and detect various nitrobenzoic acids in samples. In this study,a method for the separation and detection of nitrobenzoic acid isomers by high performance liquid chromatography is established. XDB-C18 column is used,methanol-water(pH=3.0)(volume ratio 35:65)is used as mobile phase,and the ultraviolet detection wavelength is 267 nm. Effects of composition and volume ratio,pH value and flow rate of mobile phase on the separation degree of nitrobenzoic acid isomers are investigated. The results show that the linear relationship among o-,m-,p-nitrobenzoic acid is good in the range of 12.14-194.0 mg/L,13.78-220.40 mg/L and 6.45-103.20 mg/L,respectively. The correlation coefficient R2 is greater than 0.999 5,and the relative standard deviation is less than 1.04%. The analytical method can be used to provide an analysis for the pretreatment of refined wastewater of m-nitrobenzoic acid.

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备注/Memo

备注/Memo:
收稿日期:2019-01-22.
基金项目:国家自然科学基金项目(51578295)、江苏省自然科学基金项目(BK20161479)、江苏省高校自然科学研究项目(16KJB150043).
通讯作者:王玉萍,博士,教授,博士生导师,研究方向:纳米半导体光催化材料及其在环境中的应用. E-mail:wangyuping@njnu.edu.cn
更新日期/Last Update: 2020-03-15