NIST-IUPAC Solubility Data Series

Ammonia with Phosphoric acid and Water (IUPAC SDS Volume 66)

SDS Volume

Volume 66. Ammonium Phosphates, p None

Source Publication

Flatt, R.; Brunisholz, G.; Daǵon, R.; Helv. Chim. Acta 1961, 44, 2173.

Conditions:

Room Temp: 0 and 50 °C

Compiler:

J. Eysseltová

Methodology:

No information is given.

Sample Information:

No information is given.

Measurement Errors:

Ambient temperature: No information is given, but the compiler estimates the reproducibility to be about 0.5%.

System Components:

Ammonia, $\ce{ NH3 }$; [7664-41-7] NIST WebBook
Phosphoric acid, $\ce{ H3PO4 }$; [7664-38-2] NIST WebBook
Water, $\ce{ H2O }$; [7732-18-5] NIST WebBook

Experimental Data

$T$ (°C)	100w₁ (1+2)	100w₂ (1+2)	100w₁	100w₂	100w₃	100w₃ (1+2)	m₁ (mol/kg)	m₂ (mol/kg)	Phase (s) ()
0	100.0	0.0	2.26^b	4.34^b	93.4^b	3.9 x 10³^a	1.42	0.47	A
0	69.1	30.9	4.74^b	13.2^b	82.1^b	1.13 x 10³^a	3.39	1.64	A
0	68.2	31.8	5.89^b	16.6^b	77.5^b	849^a	4.46	2.18	A
0	67.2	32.8	7.62^b	21.7^b	70.6^b	589^a	6.33	3.14	A
0	67.3	32.7	9.40^b	26.8^b	63.8^b	432^a	8.65	4.28	A + B
0	66.8	33.2	9.33^b	26.8^b	63.9^b	432^a	8.58	4.28	A + B
0	62.4	37.6	9.60^b	29.5^b	60.9^b	374^a	9.26	4.95	B
0	55.8	44.2	10.5^b	36.2^b	53.3^b	267^a	11.6	6.93	B
0	54.2	45.8	10.8^b	38.3^b	50.9^b	241^a	12.5	7.68	B
0	52.4	47.6	11.2^b	41.1^b	47.6^b	2.1E+2^a	13.8	8.81	B
0	51.9	48.1	11.1^b	41.0^b	47.9^b	212^a	13.6	8.73	B + C
0	31.9	68.1	7.14^b	42.9^b	50.0^b	211^a	8.39	8.77	B + C
0	44.1	55.9	6.08^b	26.5^b	67.4^b	462^a	5.30	4.00	C
0	39.8	60.2	4.30^b	20.7^b	75.0^b	656^a	3.37	2.82	C
0	33.2	66.8	2.76^b	15.9^b	81.3^b	924^a	1.99	2.00	C
0	33.1	66.9	2.76^b	16.0^b	81.2^b	9.2E+2^a	2.00	2.01	C
0	29.7	70.3	2.78^b	18.0^b	79.2^b	799^a	2.06	2.32	C
0	21.8	78.2	3.01^b	26.5^b	70.5^b	483^a	2.50	3.83	C
0	14.4	85.6	3.34^b	44.4^b	52.2^b	213^a	3.75	8.68	C
0	11.1	88.9	3.90^b	67.4^b	28.7^b	77.2^a	7.98	24.0	C + D
0	11.1	88.9	3.92^b	67.7^b	28.4^b	75.9^a	8.12	24.4	C + D
0	8.7	91.3	3.21^b	70.9^b	25.9^b	66.3^a	7.28	27.9	D
0	7.8	92.2	2.99^b	73.6^b	23.4^b	57.8^a	7.49	32.0	D
0	7.2	92.8	2.93^b	78.2^b	18.9^b	43.8^a	9.12	42.2	D
0	7.3	92.7	3.10^b	81.5^b	15.4^b	34.2^a	11.8	54.1	D
0	7.3	92.7	3.12^b	82.0^b	14.9^b	33.0^a	12.3	56.0	D
0	7.7	92.3	3.39^b	84.6^b	12.0^b	25.8^a	16.6	71.7	D + E
0	7.3	92.7	3.31^b	87.0^b	9.65^b	20.1^a	20.2	92.0	E
0	7.5	92.5	3.56^b	91.1^b	5.33^b	10.6^a	39.3	174	E
0	6.1	93.9	2.73^b	85.9^b	11.4^b	24.1^a	14.1	76.8	F
0	5.1	94.9	2.24^b	84.2^b	13.6^b	29.2^a	9.7	63.4	F
0	3.8	96.2	1.64^b	82.6^b	15.8^b	34.6^a	6.1	53.5	F
0	2.2	97.8	0.93^b	80.9^b	18.2^b	40.7^a	3.0	45.4	F
0	0.0	100.0	0.00^b	78.8^b	21.2^b	48.7^a	0.0	38.0	F
0	0.0	100.0	0.00^b	79.0^b	21.0^b	48.2^a	0.0	38.4	F
50	31.5	68.5	5.80^b	35.3^b	58.9^b	302^a	5.79	6.13	C
50	29.6	70.4	5.75^b	37.3^b	57.0^b	277^a	5.93	6.68	C
50	24.4	75.6	5.70^b	44.8^b	49.5^b	2E+2^a	6.77	9.25	C
50	20.8	79.2	5.67^b	52.2^b	42.1^b	146^a	7.91	12.6	C
50	17.6	82.4	5.66^b	61.7^b	32.6^b	95.9^a	10.2	19.3	C
50	16.2	83.8	5.67^b	67.1^b	27.2^b	73.5^a	12.2	25.2	C
50	15.1	84.9	5.81^b	73.8^b	20.4^b	50.1^a	16.7	36.9	C
50	14.5	85.5	6.10^b	80.7^b	13.2^b	29.7^a	27.1	62.3	C