Ammonia With Phosphoric Acid And Water

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IUPAC-NIST Solubility Database NIST Standard Reference Database 106 Glass Ball as Bullet Solubility System: Ammonia with Phosphoric acid and Water Components: (1) Ammonia; NH3; [7664-41-7] NIST Chemistry WebBook for detail (2) Phosphoric acid; H3PO4; [7664-38-2] NIST Chemistry WebBook for detail (3) Water; H2O; [7732-18-5] NIST Chemistry WebBook for detail Original Measurements: Volkov, A.A.; Sosnina, O.E.; Sedavnykh, L.S., Uch. Zap. Permsk. Gos. Univ. 1973, 289, 9. Variables: Concentration = Composition at 20 ºC Prepared By: J. Eysseltová Experimental Data: (Notes on the Nomenclature) (Please see footnotes following the table(s).) Solubility in the (NH4)3PO4-H3PO4H2O system at 20 °C.
Chemical1102 * Mass Fraction w1Chemical2102 * Mass Fraction w2Chemical3102 * Mass Fraction w3m3 [mol/kg]Chemical4102 * Mass Fraction w4m4 [mol/kg]Chemical5102 * Mass Fraction w5Solid Phase(s)(b)Refractive Index
(NH4)3PO412.80H3PO40.00NH3 (a)4.392.98H3PO4 (a)8.410.985H2O (a)87.20A1.3580
(NH4)3PO415.20H3PO42.00NH3 (a)5.213.69H3PO4 (a)11.991.48H2O (a)82.80A1.3670
(NH4)3PO418.70H3PO44.10NH3 (a)6.414.87H3PO4 (a)16.392.17H2O (a)77.20A1.3370
(NH4)3PO421.30H3PO45.25NH3 (a)7.305.84H3PO4 (a)19.252.67H2O (a)73.45A1.3855
(NH4)3PO426.05H3PO46.75NH3 (a)8.937.80H3PO4 (a)23.873.62H2O (a)67.20A1.3970
(NH4)3PO427.15H3PO47.25NH3 (a)9.308.33H3PO4 (a)25.103.90H2O (a)65.60A1.4050
(NH4)3PO429.35H3PO48.45NH3 (a)10.069.49H3PO4 (a)27.744.55H2O (a)62.20A1.4090
(NH4)3PO430.50H3PO49.00NH3 (a)10.4510.14H3PO4 (a)29.054.90H2O (a)60.50A + B1.4100
(NH4)3PO430.10H3PO410.00NH3 (a)10.3110.11H3PO4 (a)29.785.07H2O (a)59.90B1.4100
(NH4)3PO431.00H3PO411.70NH3 (a)10.6210.89H3PO4 (a)32.085.71H2O (a)57.30B1.4130
(NH4)3PO432.00H3PO413.70NH3 (a)10.9611.86H3PO4 (a)34.736.53H2O (a)54.30B1.4170
(NH4)3PO4 32.30H3PO414.70NH3 (a)11.0712.26H3PO4 (a)35.936.92H2O (a)53.00B1.4180
(NH4)3PO433.00H3PO416.50NH3 (a)11.3113.15H3PO4 (a)38.197.73H2O (a)50.50B1.4210
(NH4)3PO433.40H3PO417.45NH3 (a)11.4413.67H3PO4 (a)39.408.18H2O (a)49.15B1.4235
(NH4)3PO434.50H3PO418.55NH3 (a)11.8214.79H3PO4 (a)41.238.96H2O (a)46.95B1.4260
(NH4)3PO436.00H3PO421.15NH3 (a)12.3416.90H3PO4 (a)44.8110.67H2O (a)42.85B1.4280
(NH4)3PO435.85H3PO422.55NH3 (a)12.2817.34H3PO4 (a)46.1111.31H2O (a)41.60B + C1.4300
(NH4)3PO432.60H3PO423.00NH3 (a)11.1714.77H3PO4 (a)44.4310.21H2O (a)44.40C1.4260
(NH4)3PO429.35H3PO421.30NH3 (a)10.0611.97H3PO4 (a)40.598.39H2O (a)49.35C1.4180
(NH4)3PO426.40H3PO420.50NH3 (a)9.0510.00H3PO4 (a)37.857.27H2O (a)53.10C1.4100
(NH4)3PO424.20H3PO420.10NH3 (a)8.298.74H3PO4 (a)36.016.60H2O (a)55.70C1.4040
(NH4)3PO419.80H3PO419.35NH3 (a)6.786.55H3PO4 (a)32.365.43H2O (a)60.85C1.3935
(NH4)3PO417.60H3PO418.45NH3 (a)6.035.54H3PO4 (a)30.024.79H2O (a)63.95C1.3860
(NH4)3PO414.30H3PO416.30NH3 (a)4.904.15H3PO4 (a)25.703.78H2O (a)69.40C1.3780
(NH4)3PO412.10H3PO416.40NH3 (a)4.153.41H3PO4 (a)24.353.48H2O (a)71.50C1.3700
(NH4)3PO411.75H3PO417.00NH3 (a)4.033.32H3PO4 (a)24.723.54H2O (a)71.25C1.3730
(NH4)3PO412.10H3PO420.25NH3 (a)4.153.60H3PO4 (a)28.204.25H2O (a)67.65C1.3770
(NH4)3PO411.75H3PO422.25NH3 (a)4.033.58H3PO4 (a)29.974.63H2O (a)66.00C1.3780
(NH4)3PO411.35H3PO425.35NH3 (a)3.893.61H3PO4 (a)32.815.29H2O (a)63.30C1.3800
(NH4)3PO411.75H3PO426.90NH3 (a)4.033.85H3PO4 (a)34.625.76H2O (a)61.35C1.3805
(NH4)3PO411.75H3PO429.80NH3 (a)4.034.04H3PO4 (a)37.526.55H2O (a)58.45C1.3880
(NH4)3PO411.75H3PO434.85NH3 (a)4.034.43H3PO4 (a)42.578.13H2O (a)53.40C1.3910
(NH4)3PO412.85H3PO441.25NH3 (a)4.405.63H3PO4 (a)49.7011.05H2O (a)45.90C1.3990
(NH4)3PO413.20H3PO449.20NH3 (a)4.527.06H3PO4 (a)57.8815.71H2O (a)37.60C1.4090
(NH4)3PO413.95H3PO455.10NH3 (a)4.789.07H3PO4 (a)64.2721.19H2O (a)30.95C1.4225
(NH4)3PO414.10H3PO458.40NH3 (a)4.8310.32H3PO4 (a)67.6725.11H2O (a)27.50C1.4280
(NH4)3PO414.70H3PO460.80NH3 (a)5.0412.07H3PO4 (a)70.429.35H2O (a)24.50C1.4330
(NH4)3PO414.85H3PO464.60NH3 (a)5.0914.54H3PO4 (a)74.636.92H2O (a)20.55C1.4390
(NH4)3PO415.35H3PO470.40NH3 (a)5.2621.67H3PO4 (a)80.4957.64H2O (a)14.25C1.4420
(NH4)3PO415.30H3PO471.40NH3 (a)5.2423.15H3PO4 (a)81.4662.50H2O (a)13.30C + D1.4430
(NH4)3PO413.70H3PO472.75NH3 (a)4.6920.34H3PO4 (a)81.7561.57H2O (a)13.55D1.4435
(NH4)3PO413.20H3PO475.30NH3 (a)4.5223.10H3PO4 (a)83.9874.51H2O (a)11.50D + E1.4440
(NH4)3PO412.20H3PO476.40NH3 (a)4.1821.53H3PO4 (a)84.4275.56H2O (a)11.40E1.4460
(NH4)3PO411.60H3PO478.10NH3 (a)3.9822.66H3PO4 (a)85.7284.93H2O (a)10.30E1.4465
(NH4)3PO410.90H3PO480.40NH3 (a)3.7425.21H3PO4 (a)87.56102.7H2O (a)8.70E1.4750
(NH4)3PO410.95H3PO481.50NH3 (a)3.7529.18H3PO4 (a)88.70119.9H2O (a)7.55E1.4480
 Notes: Table 1 a These values were calculated by the compiler. Table 1 b The solid phases are: A=(NH4)3PO4·3H2O; B=(NH4)3HPO4; C=NH4H2PO4; D=3NH4H2PO4·H3PO4: E=NH4H2PO4·H3PO4. Method/Apparatus/Procedure: The method of sections1,2 was used. The solubility diagram is derived from the linear dependence of a property of the liquid phase on the concentration. Source and Purity of Materials: Chemically pure H3 PO4 and twice-distilled water were used. (NH4)3PO4·3H2O was synthesized according to directions given by others.3 Estimated Errors: Solubility: No information is given. Temperature: No information is given. References: 1Mertslin, R.V. Izv. Biol. Nauchno-issl. In-ta pri Permsk. Un-ta 1937, 11, 1. 2Zhuravlev, E.F.; Sheveleva, A.D. Zh. Neorg. Khim. 1960, 5, 2630. 3Pozin, M.E. Tekhnologiya Mineral'nykh Soley, Leningrad, Goskhimizdat, 1961.

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