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eISSN: 2083-5906
ISSN: 1230-1485
ISSN: 1230-1485
ORIGINAL RESEARCH
Spectrophotometric Determination
of Fe(II)EDTA-NO, Fe(II)EDTA/Fe(III)EDTA
in Chemical Absorption-Biological Reduction
Integrated NOx Removal System
1
Key Laboratory for Technology in Rural Water Management of Zhejiang Province, Zhejiang University
of Water Resources and Electric Power, Hangzhou, 310018, China
2
Key Laboratory of Biomass Chemical Engineering of Ministry of Education, Institute of Industrial Ecology
and Environment, Zhejiang University (Yuquan Campus), Hangzhou, 310027, China
Submission date: 2021-11-04
Final revision date: 2022-01-26
Acceptance date: 2022-01-29
Online publication date: 2022-05-02
Publication date: 2022-06-20
Pol. J. Environ. Stud. 2022;31(4):3335-3342
KEYWORDS
TOPICS
ABSTRACT
Fe(II)EDTA-NO, Fe(II)EDTA and Fe(III)EDTA are three key chemical species in the chemical
absorption-biological reduction (CABR) integrated NOx removal system. The original ferrozine method
was modified to quickly determine Fe(II)EDTA/Fe(III)EDTA in small volumes of liquid samples.
It is shown that the presence of EDTA do create differences in absorbance. The measurement
of Fe(II)EDTA and total iron were performed on two separate sample fractions. A spectrophotometric
method for direct determination of Fe(II)EDTA-NO was proposed. The results indicated that
Fe(II)EDTA-NO could be accurately determined by spectrophotometry under optimized conditions:
an absorption wavelength of 438 nm, pH between 5.23~8.07, and operating time under one minute.
The final standard curve was given and the mathematic relations among them were also discussed.
CONFLICT OF INTEREST
The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.
CITATIONS (7):
1.
Iron-modified biochar alleviates salt-alkali stress in cotton by enhancing iron availability and rhizosphere microbiome-metabolite interactions
Jiyuan Wang, Muhammad Riaz, Saba Babar, Xiangling Wang, Xiaoyang Xia, Bohan Yan, Cuncang Jiang
Plant and Soil
Jiyuan Wang, Muhammad Riaz, Saba Babar, Xiangling Wang, Xiaoyang Xia, Bohan Yan, Cuncang Jiang
Plant and Soil
2.
Effect of additives on the electrocatalytic reduction of Fe(II)EDTA complexed NO absorbent
Jing Ding, Yue Liang, Ziwei Liu, Hua Tong
Environmental Technology
Jing Ding, Yue Liang, Ziwei Liu, Hua Tong
Environmental Technology
3.
Eco-safe potential of FITC-tagged nFeO in enhancing alfalfa-rhizobia symbiosis and salt stress tolerance via physicochemical and ultrastructural modifications
Hafiz Abdul Kareem, Yongdong Li, Sana Saleem, Adnan Mustafa, Muhammad Azeem, Quanzhen Wang, Song Li, Yi Chen, Xihui Shen
Ecotoxicology and Environmental Safety
Hafiz Abdul Kareem, Yongdong Li, Sana Saleem, Adnan Mustafa, Muhammad Azeem, Quanzhen Wang, Song Li, Yi Chen, Xihui Shen
Ecotoxicology and Environmental Safety
4.
Iron nanoparticles in combination with other conventional Fe sources remediate mercury toxicity-affected plants and soils by nutrient accumulation in bamboo species
Abolghassem Emamverdian, Ahlam Khalofah, Necla Pehlivan, Yang Li, Moxian Chen, Guohua Liu
Ecotoxicology and Environmental Safety
Abolghassem Emamverdian, Ahlam Khalofah, Necla Pehlivan, Yang Li, Moxian Chen, Guohua Liu
Ecotoxicology and Environmental Safety
5.
A novel strategy for arsenic management in paddy fields: Trapping arsenic via electrochemical oxidation and adsorption on biochar electrodes
Yinfeng Xia, Nan Geng, Xin Kang, Yufeng Zhao, Guojin Sun, Cundong Xu, Zhanfei He
Journal of Environmental Management
Yinfeng Xia, Nan Geng, Xin Kang, Yufeng Zhao, Guojin Sun, Cundong Xu, Zhanfei He
Journal of Environmental Management
6.
Effect of iron nanoparticles and conventional sources of Fe on growth, physiology and nutrient accumulation in wheat plants grown on normal and salt-affected soils
Muhammad Zia-ur-Rehman, Manar Fawzi Bani Mfarrej, Muhammad Usman, Sidra Anayatullah, Muhammad Rizwan, Hesham F. Alharby, Isam M. Abu Zeid, Nadiyah M. Alabdallah, Shafaqat Ali
Journal of Hazardous Materials
Muhammad Zia-ur-Rehman, Manar Fawzi Bani Mfarrej, Muhammad Usman, Sidra Anayatullah, Muhammad Rizwan, Hesham F. Alharby, Isam M. Abu Zeid, Nadiyah M. Alabdallah, Shafaqat Ali
Journal of Hazardous Materials
7.
A Color-Changeable “Pearl” for Visually Displaying Chemical Complexation Reactions
Tianli Han, Shanshan Yang, Liying Zhu, Xirong Lin, Jinyun Liu
Journal of Chemical Education
Tianli Han, Shanshan Yang, Liying Zhu, Xirong Lin, Jinyun Liu
Journal of Chemical Education
| eISSN: | 2083-5906 |
| ISSN: | 1230-1485 |
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