SDS Volume (2936)
Volume 66. Ammonium Phosphates, p None
Original Measurements
Sarbaev, A. N.; Polyakov, E. V.; Tyunina, M. F.; Polyakova, Z. A.; Ruchkova, A. Kh.; Khim. Prom. (Moscow) 1973, 49, 121.
Variables:
Composition and temperature of cryohydric point.
Prepared by:
Method/Apparatus/Procedure:
No information is given. The compiler assumes that some polythermic method was used.
Source and Purity of Materials:
- No information is given.
Estimated Errors:
Ambient temperature: No information is given.
Mass concentration (m/v) (1): No information is given.
Components:
- Ammonium dihydrogenphosphate, $\ce{ NH4H2PO4 }$; [7722-76-1] NIST WebBook
- Water, $\ce{ H2O }$; [7732-18-5] NIST WebBook
Experimental Data
Remarks: The T-p-d data are given only in graphical form. The cryohydric temperature is -4.3°C. The composition of the eutectic point is 16.9 mass % NH4H2PO4(1.77 mol/kg--compiler) and 83.1 mass % water.


