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Solubility of Urea Phosphate in Water + Phosphoric Acid from (277.00 to 354.50) K
Abstract
Urea phosphate is an amino structural complex manufactured by the reaction between urea and phosphoric acid. Besides being used as chemicals, agricultural fertilizer, or livestock feed directly, urea phosphate can also be blended with nitrogenous fertilizer, phosphate fertilizer, and potassium fertilizer to adjust the proportions of various nutrient contents. On the basis of the properties of urea phosphate, such as high-analysis nutrient content (total nutrient mass fraction is up to 60 %) for crops, good solubility of product in water, and its acidic solution, a water-soluble compound fertilizer manufacturing technology with processing urea phosphate plus potassium chloride was developed by Jian-wei Tang et al,for the agricultural application of dripping/spraying irrigation. The solubility of urea phosphate in water + phosphoric acid is very important in studying the crystallization mechanisms during the synthesis reaction between urea and phosphoric acid. However, only the solubility of urea phosphate in water at 319.15 K (202 g‚L-1) can be found in previous data. The solubility of urea phosphate in water + phosphoric acid was measured systematically.
Keywords: Urea phosphate , agricultural fertilizer , livestock feed , urea , phosphoric acid
Solubility of Urea Phosphate in Water + Phosphoric Acid from (277.00 to 354.50) K