CHEMICAL OXYGEN DEMAND CAN BE FUN FOR ANYONE

chemical oxygen demand Can Be Fun For Anyone

During the existence of sulfuric acid, silver sulphate, and mercury sulphate, potassium dichromate oxidises the organic and natural issue contained in the drinking water sample to supply carbon dioxide (CO2) and water (H2O). The level of potassium dichromate utilised is decided by comparing the volumes of ferrous ammonium sulphate consumed througho

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food grade oil used in pharma industry - An Overview

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