Density and viscosity of ammonium nitrate,ammonium nitrate–potassium chloride and ammonium nitrate—ammonium phosphate melts |
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Authors: | D H Booth V C Vinyard |
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Abstract: | The results of density and viscosity measurements are given for ammonium nitrate and the salt mixtures ammonium nitrate—potassium chloride and ammonium nitrate-ammonium dihydrogen phosphate. The latter system is complicated because of the formation of non-ortho phosphates and the results obtained refer to the equilibrium mixture obtained after heating for 3 h at 180°c. After this treatment, about 40% of the phosphate was converted to non-ortho forms. The density of ammonium nitrate is given by: for values of t between 170°c and 190°c. Similar relationships can be deduced for the solutions. The viscosity of ammonium nitrate, in centipoises, is given approximately by: for values of T between 443° and 453° k. Similar relationships hold for the nitrate—phosphate solutions. |
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