Nitric acid (HNO3) , which is a strong oxidizing and highly corrosive inorganic acid. The acidity of nitric acid is smaller than that of sulfuric acid and hydrochloric acid (PKa=-1.3). It is easily soluble in water and completely ionized in water. Its HNO3 solution is colorless and transparent at room temperature, and the concentrated solution is brown. Nitric acid (HNO3) is unstable and easy to see light decomposition. It should be stored in a dark bottle in the dark.
Nitric acid (HNO3) is used as an essential raw material for nitrates and nitrates, and is used to prepare a series of nitrate nitrogen fertilizers, such as ammonium nitrate and potassium nitrate; it is also used to prepare nitrates or nitro-containing explosives. Nitric acid is also used to refine metals because nitric acid is both oxidizing and acidic.
For this kind of corrosive and conductive acid, we generally choose mag flowmeter. The measuring principle of electromagnetic flowmeter is Faraday electromagnetic induction . It is used to measure liquid with conductivity greater than 5 us/cm. It is Measuring volumetric flow, often used in petroleum, chemical, paper, and food industries.
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