顺序注射化学发光分析法测定空气中的甲醛

宋 月; 高春英; 乔 琳; 范世华

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顺序注射化学发光分析法测定空气中的甲醛

论文 | 更新时间：2020-08-12

- 顺序注射化学发光分析法测定空气中的甲醛
- A Sequential Injection Method Coupled with Chemiluminescence Detection for the Determination of Formaldehyde in Air
- 发光学报 2009年30卷第4期页码：467-472
- 作者机构：
  
  东北大学理学院分析科学研究中心,辽宁沈阳,110004
- 作者简介：
- 基金信息：
- DOI：
  中图分类号： O482.31
- 收稿日期：2008-12-23，
  
  修回日期：1900-01-02，
  
  网络出版日期：2009-08-30，
  
  纸质出版日期：2009-08-30
- 稿件说明：
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宋月, 高春英, 乔琳, 等. 顺序注射化学发光分析法测定空气中的甲醛[J]. 发光学报, 2009,30(4):467-472.

SONG Yue, GAO Chun-ying, QIAO Lin, et al. A Sequential Injection Method Coupled with Chemiluminescence Detection for the Determination of Formaldehyde in Air[J]. Chinese journal of luminescence, 2009, 30(4): 467-472.
宋月, 高春英, 乔琳, 等. 顺序注射化学发光分析法测定空气中的甲醛[J]. 发光学报, 2009,30(4):467-472. DOI：

SONG Yue, GAO Chun-ying, QIAO Lin, et al. A Sequential Injection Method Coupled with Chemiluminescence Detection for the Determination of Formaldehyde in Air[J]. Chinese journal of luminescence, 2009, 30(4): 467-472. DOI：

摘要

基于碱性条件下甲醛对没食子酸-过氧化氢发光反应的增敏作用

建立了顺序注射与化学发光检测联用测定空气中甲醛的新方法。在选定的实验条件下

甲醛浓度与发光强度在1.0×10

-7

~2.0×10

-3

mol/L范围内呈线性关系

Abstract

A simple and sensitive sequential injection procedure coupled with chemiluminescence detection was developed for the determination of formaldehyde in air

which was based on the chemiluminescence reaction of formaldehyde

gallic acid and hydrogen peroxide in an alkaline media. The experimental parameters affecting the analytical sensitivity were optimized. Under the optimized condition

the chemiluminescence intensity changes linearly with the concentration of formaldehyde over the range of 1.0×10

-7

~2.0×10

-3

mol/L

with a correlation coefficient of 0.999 3. The relative standard deviations of the method for 1.0×10

-6

mol/L formaldehyde was 2.1% (

=11). The detection limit was 5.0×10

-8

mol/L and sample throughput was 140 samples per hour. Good recoveries were obtained for spiked samples

and the results achieved were in good agreement with the certified values for standard reference material. The proposed method has several merits including sensitivity

automation

simplicity

less reagent consumption and waste generation and has been applied for the measurement of formaldehyde content in air.

关键词

Keywords

references

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. Ruzicka J, Marshall G D. Sequential injection: a new concept for chemical sensors,process analysis and laboratory assays [J]. Anal. Chim. Acta, 1990, 237: 329-343.

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