Nitrogen is the most important nutrient for the healthy growth of plants and is a common component of most fertilizers. Currently, different established techniques are used to determine the concentration of different components in liquid fertilizers. This application note introduces an alternative method to measure the nitrogen (N) concentration in the fertilizer solution Urea Ammonium Nitrate (UAN). With the Mettler Toledo fully-automated density and refractive index multiparameter system, the measurement of nitrogen concentration in liquid fertilizers can be performed easily, quickly, and safely without any additional chemicals.
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