[1]刘 媛,张艳霞,王玉萍.离子色谱法测定PO3-3、PO3-4及其在废水处理中的中控分析[J].南京师大学报(自然科学版),2013,36(01):59-63.
　Liu Yuan,Zhang Yanxia,Wang Yuping.Determination of PO3-3 and PO3-4 by Ion Chromatography and Its Application in Mid-Controlled Analysis of Wastewater Treatment[J].Journal of Nanjing Normal University(Natural Science Edition),2013,36(01):59-63.
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离子色谱法测定PO3-3、PO3-4及其在废水处理中的中控分析()
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《南京师大学报（自然科学版）》[ISSN:1001-4616/CN:32-1239/N]

卷:
第36卷
期数:
2013年01期
页码:
59-63
栏目:
化学
出版日期:
2013-03-31

文章信息/Info

Title:
Determination of PO3-3 and PO3-4 by Ion Chromatography and Its Application in Mid-Controlled Analysis of Wastewater Treatment
作者:
刘 媛1; 张艳霞1; 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 210097) (2.南京理工大学,江苏省化工污染控制与资源化重点实验室,江苏 南京 210094)
Author(s):
Liu Yuan1; Zhang Yanxia1; Wang Yuping1; 2
(1.School of Chemistry and Materials Science,Nanjing Normal University,Nanjing 210097,China) (2.Nanjing University of Science and Technology,Jiangsu Key Laboratory of Chemical Pollution Control and Resources Reuse,Nanjing 210094,China)
关键词:
离子色谱法; PO3-3; PO3-4; 中控分析
Keywords:
ion chromatography; PO3-3; PO3-4; middle-controlled analysis
分类号:
O657
摘要:
建立了废水中PO3-3和PO3-4的离子色谱检测方法.选用浓度为4.5 mmol/L/0.8 mmol/L的Na2CO3/NaHCO3的淋洗液,流速1.00 mL/min,电导检测器.实验结果表明:PO3-3的质量浓度在1.00～32.00 mg/L范围内线性关系良好(r=0.9999),检出限25.90μg/L,相对标准偏差为0.57%; PO3-4的质量浓度在1.00～32.00 mg/L范围内线性关系良好(r=0.9997),检出限41.00 μg/L,相对标准偏差为1.34%.PO3-3的加标回收率为94.2%～102.0%,PO3-4的加标回收率为101.2%～105.0%.使用所建立的检测方法为废水中的PO3-3的氧化提供中控分析,考察了氧化剂的用量、反应温度、硫酸含量对氧化效果的影响.
Abstract:
An ion chromatography analysis method was proposed for detecting PO3-3 and PO3-4 in wastewater.The mixed solution of Na2CO3/NaHCO3(4.5 mmol/L/0.8 mmol/L)was used as eluent,its flow rate was 1.00mL/min and the electrical conductivity detector was used as a detector.The results showed that the linear relationship was good(r=0.999 9)within the range of 1.00-32.00mg/L for PO3-3.The detection limit of PO3-3 was 25.90 μg/L and the relative standard deviation was 0.57%.The linear relationship was good(r=0.999 7)within the range of 1.00-32.00 mg/L for PO3-4.The detection limit of PO3-4 was 41.00 μg/L and the relative standard deviation was 1.34%.The standard addition recoveries of PO3-3 were from 94.2% to 102.0%,and those of PO3-4 were from 101.2% to 105.0%.The established testing method was used in a mid-controlled analysis of the oxidation of PO3-3 and the effects of oxidizing agent dosage,reaction temperature,and content of sulfuric acid on oxidation were investigated.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2012-06-06.
基金项目:化工污染控制与资源化江苏省高校重点实验室开放基金、江苏高校优势学科建设工程项目.
通讯联系人:王玉萍,教授,研究方向:工业“三废”处理及资源化实用技术.E-mail:wangyuping@njnu.edu.cn
更新日期/Last Update: 2013-03-31