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With this technique the chemical oxygen demand is decided throughout chromic acid digestion of organic loads in wastewater. According to this process the COD grew to become a frequently utilised sum parameter in wastewater Examination. It truly is used for organizing of wastewater remedy vegetation, for managing the cleaning effectiveness and f
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The permanganate technique is an additional typical process for measuring COD. It consists of including a recognised surplus of potassium permanganate to some known volume of sample within the presence of sulfuric acid.The modify in DO focus above 5 times represents the "oxygen demand" for respiration via the aerobic biological microorganisms in th
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