High pressure flow injection rapid analysis system for permanganate index of water quality

A technology of permanganate index and flow injection, which is applied in the direction of material analysis by observing the influence on chemical indicators, analyzing materials, and analyzing by chemical reaction of materials, etc. Meet the problems of rapid online detection and inaccurate measurement, and achieve the effect of curbing bubble generation, high reproducibility and accurate test results
CN101320001AInactive Publication Date: 2008-12-10DELIN ENVIRONMENTAL PROTECTION TECH
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
DELIN ENVIRONMENTAL PROTECTION TECH
Publication Date
2008-12-10
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention relates to a high pressure flow injection rapid analyzing system of water permanganate index. A pollution system comprises a heater, a cooler, a photoelectric circulation pool, a sulfuric acid storing bottle, a potassium permanganate storing bottle, a constant flow injection pump, a peristaltic pump, two sampling six-way conversion valves and a flow loading tee conversion valve which are connected into a system through capillary pipes. The sapling valve is provided with a sample quantitative ring and a potassium permanganate quantitative ring. The output end of the photoelectric circulation pool is connected with a capillary dorsal press pipe. Flow channels are switched through the conversion valves by the system. Quantitative water sample and potassium permanganate reagent are respectively switched into the continuously flowing loading solution. The processes of mixing, heating, reacting, cooling, photoelectric detecting, and the like of a sample with the reagent are finished in the continuously flowing process. The detection result is obtained. Instant analyzing data are obtained conveniently and rapidly. The system is applied to the timing or random online monitoring of the permanganate index of source water of rivers and water factories or industrial emission water, etc.
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Description

technical field

[0001] The invention relates to a high-pressure flow injection rapid analysis system for photoelectric detection of water quality permanganate index, which is used for online monitoring of impurity content in surface water or solution that can be digested by potassium permanganate. It is represented by permanganate index value and belongs to the field of chemical analysis of water environment. Background technique

[0002] The permanganate index (IMn) refers to the potassium permanganate (KMnO 4 ) is the oxidizing agent, the number of mg of oxygen corresponding to the potassium permanganate consumed per liter of sample when processing the water sample, expressed as O 2 , expressed in mg / L. The permanganate index can reflect the pollution of organic and inorganic oxidizable substances in water bodies. It is an important indicator for monitoring surface water, drinking water and domestic sewage, and it is also one of the items that are difficult to measure ac...

Claims

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