Method for detecting content of potassium permanganate

Method for detecting content of potassium permanganate

The invention provides a method for detecting the content of potassium permanganate, and belongs to the technical field of analysis and detection. According to the detection method provided by the invention, the manganese (II) element is oxidized into MnO4 by adopting ammonium persulfate under the...

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Hauptverfasser: CHEN QIONGXI, LIN SHAOQIAO, JIANG XIAOMING, LONG HOUJUN, XIAO JINQIAO, HE YANHUI
Format: Patent
Sprache:chi ; eng
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INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
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creator CHEN QIONGXI
LIN SHAOQIAO
JIANG XIAOMING
LONG HOUJUN
XIAO JINQIAO
HE YANHUI
description The invention provides a method for detecting the content of potassium permanganate, and belongs to the technical field of analysis and detection. According to the detection method provided by the invention, the manganese (II) element is oxidized into MnO4 by adopting ammonium persulfate under the catalytic action of the silver nitrate-mercury sulfate aqueous solution, and interference of chloride ions is eliminated through mercury sulfate, so that the accuracy of the detection method is improved; manganese (II) standard working solutions with series concentrations are used as the basis of standard curve establishment, the existence form of manganese elements in the manganese (II) standard working solutions with series concentrations (obtained by diluting manganese standard solutions) is Mn < 2 + >, compared with potassium permanganate standard solutions, the existence form of the manganese elements under the nitric acid aqueous solution matrix condition is relatively stable, the concentration does not ne
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subjects INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
title Method for detecting content of potassium permanganate
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