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Study on the principle and influencing factors of permanganate index chemical reaction
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Heng-De LIANGH1, Qiong-Yan NIU2, Zhen-Yuan ZHANG1, Qin CUI3, *
Laboratory Testing | 2024, 2(5) : 104 - 107
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Laboratory Testing | 2024, 2(5): 104-107
• Evaluation and Analysis •
Study on the principle and influencing factors of permanganate index chemical reaction
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Heng-De LIANGH1, Qiong-Yan NIU2, Zhen-Yuan ZHANG1, Qin CUI3, *
Affiliations
  • 1 Gansu Dingxi Hydrological Station Dingxi 743000 China
  • 2 Gansu Hydrological Station Lanzhou 730000 China
  • 3 Gansu Provincial Center for Disease Control and Prevention Lanzhou 730000 China
Outline
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The permanganate index is a titration analysis based on redox reactions used to characterize the degree of organic and inorganic reducing substances in water. The explores the reaction mechanism of the acidic potassium permanganate method and elucidates the possible sources of error in the detection of permanganate index, in order to improve the accuracy of water quality testing. In summary, the accuracy of the permanganate index can be affected by various factors, including titration errors, oxidation reaction errors, and other sources of error. The effective solutions and precautions for experimental operations based on an analysis of these sources of error.

permanganate index  /  principle of chemical reaction  /  water quality testing  /  influencing factors  /  REDOX reaction titration
Heng-De LIANGH, Qiong-Yan NIU, Zhen-Yuan ZHANG, Qin CUI. Study on the principle and influencing factors of permanganate index chemical reaction[J]. Laboratory Testing, 2024 , 2 (5) : 104 -107 .
Funding
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  • Natural Science Foundation of Gansu Province, Study on the Hygiene of Rural Drinking Water and its Water Quality Distribution Characteristics in the Yellow River Basin of Gansu Province(21JR7RA655)
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Year 2024 volume 2 Issue 5
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42
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  • Online Date：2025-07-29
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Funding
Natural Science Foundation of Gansu Province, Study on the Hygiene of Rural Drinking Water and its Water Quality Distribution Characteristics in the Yellow River Basin of Gansu Province(21JR7RA655)
Affiliations
    1 Gansu Dingxi Hydrological Station Dingxi 743000 China
    2 Gansu Hydrological Station Lanzhou 730000 China
    3 Gansu Provincial Center for Disease Control and Prevention Lanzhou 730000 China

Corresponding:

*CUI Qin, Master, Associate Senior Technician, Gansu Provincial Center for Disease Control and Prevention, Lanzhou 730000, China. E-mail:
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Citations
表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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