Mixture of Potassium phosphate, monobasic + Water + Potassium sulfate

Datasets

1. (Relative) activity (2)
2. Mass fraction (26)
3. n₀ - Refractive index (Na D-line) (4)
4. ρ_l - Mass density, kg/m3 (10)

(Relative) activity of Water (2) [ref]

Operational conditions:

• Pressure, kPa = 100 (Liquid)
• Temperature, K = 298.15 (Liquid)

Fixed		Measured
Molality, mol/kg of Potassium phosphate, monobasic (1) - Liquid	Molality, mol/kg of Potassium sulfate (3) - Liquid	(Relative) activity of Water (2) - Liquid
0.8053	0.0505	0.9765
0.7669	0.0782	0.9765
0.6977	0.1284	0.9765
0.6667	0.1512	0.9765
0.6623	0.1550	0.9765
0.6116	0.1913	0.9765
0.5425	0.2420	0.9765
0.5076	0.2677	0.9765
0.4593	0.3032	0.9765
0.4612	0.3001	0.9765
0.4066	0.3419	0.9765
0.3583	0.3782	0.9765
0.2986	0.4230	0.9765
0.2576	0.4537	0.9765
0.2567	0.4534	0.9765
0.2057	0.4937	0.9765
0.1519	0.5352	0.9765
0.1048	0.5714	0.9765
0.0528	0.6124	0.9765
0.6114	0.0297	0.9818
0.5756	0.0562	0.9818
0.5363	0.0849	0.9818
0.4942	0.1175	0.9818
0.4895	0.1186	0.9818
0.4592	0.1425	0.9818
0.4205	0.1711	0.9818
0.3828	0.1992	0.9818
0.3428	0.2295	0.9818
0.3453	0.2259	0.9818
0.3081	0.2555	0.9818
0.2664	0.2877	0.9818
0.2317	0.3136	0.9818
0.1930	0.3430	0.9818
0.1929	0.3415	0.9818
0.1553	0.3720	0.9818
0.1191	0.3993	0.9818
0.0777	0.4319	0.9818
0.0382	0.4604	0.9818
0.4079	0.0190	0.9873
0.3816	0.0391	0.9873
0.3575	0.0570	0.9873
0.3315	0.0766	0.9873
0.3340	0.0747	0.9873
0.3065	0.0955	0.9873
0.2672	0.1257	0.9873
0.2566	0.1344	0.9873
0.2314	0.1524	0.9873
0.2296	0.1533	0.9873
0.2047	0.1725	0.9873
0.1813	0.1924	0.9873
0.1557	0.2104	0.9873
0.1301	0.2302	0.9873
0.1300	0.2297	0.9873
0.1039	0.2504	0.9873
0.0748	0.2736	0.9873
0.0522	0.2910	0.9873
0.0258	0.3116	0.9873
0.1992	0.0118	0.9933
0.1894	0.0187	0.9933
0.1652	0.0375	0.9933
0.1567	0.0440	0.9933
0.1526	0.0471	0.9933
0.1396	0.0573	0.9933
0.1277	0.0662	0.9933
0.1152	0.0756	0.9933
0.1134	0.0764	0.9933
0.1007	0.0862	0.9933
0.0892	0.0954	0.9933
0.0761	0.1055	0.9933
0.0642	0.1142	0.9933
0.0639	0.1142	0.9933
0.0510	0.1247	0.9933
0.0381	0.1347	0.9933
0.0256	0.1443	0.9933
0.0139	0.1536	0.9933

(Relative) activity of Water (2) [ref]

Operational conditions:

• Pressure, kPa = 100 (Liquid)
• Temperature, K = 298.15 (Liquid)

Fixed		Measured
Molality, mol/kg of Potassium phosphate, monobasic (1) - Liquid	Molality, mol/kg of Potassium sulfate (3) - Liquid	(Relative) activity of Water (2) - Liquid
0.8053	0.0505	0.9765
0.7669	0.0782	0.9765
0.6977	0.1284	0.9765
0.6667	0.1512	0.9765
0.6623	0.1550	0.9765
0.6116	0.1913	0.9765
0.5425	0.2420	0.9765
0.5076	0.2677	0.9765
0.4593	0.3032	0.9765
0.4612	0.3001	0.9765
0.4066	0.3419	0.9765
0.3583	0.3782	0.9765
0.2986	0.4230	0.9765
0.2576	0.4537	0.9765
0.2567	0.4534	0.9765
0.2057	0.4937	0.9765
0.1519	0.5352	0.9765
0.1048	0.5714	0.9765
0.0528	0.6124	0.9765
0.6114	0.0297	0.9818
0.5756	0.0562	0.9818
0.5363	0.0849	0.9818
0.4942	0.1175	0.9818
0.4895	0.1186	0.9818
0.4592	0.1425	0.9818
0.4205	0.1711	0.9818
0.3828	0.1992	0.9818
0.3428	0.2295	0.9818
0.3453	0.2259	0.9818
0.3081	0.2555	0.9818
0.2664	0.2877	0.9818
0.2317	0.3136	0.9818
0.1930	0.3430	0.9818
0.1929	0.3415	0.9818
0.1553	0.3720	0.9818
0.1191	0.3993	0.9818
0.0777	0.4319	0.9818
0.0382	0.4604	0.9818
0.4079	0.0190	0.9873
0.3816	0.0391	0.9873
0.3575	0.0570	0.9873
0.3315	0.0766	0.9873
0.3340	0.0747	0.9873
0.3065	0.0955	0.9873
0.2672	0.1257	0.9873
0.2566	0.1344	0.9873
0.2314	0.1524	0.9873
0.2296	0.1533	0.9873
0.2047	0.1725	0.9873
0.1813	0.1924	0.9873
0.1557	0.2104	0.9873
0.1301	0.2302	0.9873
0.1300	0.2297	0.9873
0.1039	0.2504	0.9873
0.0748	0.2736	0.9873
0.0522	0.2910	0.9873
0.0258	0.3116	0.9873
0.1992	0.0118	0.9933
0.1894	0.0187	0.9933
0.1652	0.0375	0.9933
0.1567	0.0440	0.9933
0.1526	0.0471	0.9933
0.1396	0.0573	0.9933
0.1277	0.0662	0.9933
0.1152	0.0756	0.9933
0.1134	0.0764	0.9933
0.1007	0.0862	0.9933
0.0892	0.0954	0.9933
0.0761	0.1055	0.9933
0.0642	0.1142	0.9933
0.0639	0.1142	0.9933
0.0510	0.1247	0.9933
0.0381	0.1347	0.9933
0.0256	0.1443	0.9933
0.0139	0.1536	0.9933

Mass fraction of Potassium sulfate (3) [ref]

Fixed			Measured
Mass fraction of Potassium phosphate, monobasic (1) - Liquid	Temperature, K - Liquid	Pressure, kPa - Liquid	Mass fraction of Potassium sulfate (3) - Liquid
0.2143	313.15	88.40	0.0770

Mass fraction of Potassium phosphate, monobasic (1) [ref]

Operational conditions:

• Pressure, kPa = 88.35 (Liquid)
• Temperature, K = 313.15 (Liquid)

Mass fraction of Potassium sulfate (3) - Liquid	Mass fraction of Potassium phosphate, monobasic (1) - Liquid
0.0000	0.2556
0.0236	0.2450
0.0486	0.2163
0.0763	0.2086
0.0771	0.2099
0.0779	0.2048

Mass fraction of Potassium phosphate, monobasic (1) [ref]

Operational conditions:

• Pressure, kPa = 88.35 (Liquid)
• Temperature, K = 313.15 (Liquid)

Mass fraction of Potassium sulfate (3) - Liquid	Mass fraction of Potassium phosphate, monobasic (1) - Liquid
0.0763	0.2086
0.0771	0.2099
0.0779	0.2048
0.0860	0.1693
0.0938	0.1372
0.1012	0.0963
0.1049	0.0712
0.1128	0.0389
0.1288	0.0000

Mass fraction of Potassium phosphate, monobasic (1) [ref]

Fixed		Measured
Pressure, kPa - Liquid	Temperature, K - Liquid	Mass fraction of Potassium phosphate, monobasic (1) - Liquid
88.35	313.15	0.2078

Mass fraction of Potassium sulfate (3) [ref]

Fixed		Measured
Pressure, kPa - Liquid	Temperature, K - Liquid	Mass fraction of Potassium sulfate (3) - Liquid
88.35	313.15	0.0771

Mass fraction of Potassium sulfate (3) [ref]

Operational condition: Pressure, kPa = 100 (Liquid)

Fixed		Measured
Temperature, K - Liquid	Mass fraction of Potassium phosphate, monobasic (1) - Liquid	Mass fraction of Potassium sulfate (3) - Liquid
298.20	0.1716	0.0601
323.20	0.2353	0.0808

Mass fraction of Potassium sulfate (3) [ref]

Operational condition: Pressure, kPa = 100 (Liquid)

Fixed		Measured
Temperature, K - Liquid	Mass fraction of Potassium phosphate, monobasic (1) - Liquid	Mass fraction of Potassium sulfate (3) - Liquid
298.20	0.1716	0.0601
323.20	0.2353	0.0808

Mass fraction of Potassium phosphate, monobasic (1) [ref]

Operational conditions:

• Pressure, kPa = 100 (Liquid)
• Temperature, K = 288.15 (Liquid)

Mass fraction of Potassium sulfate (3) - Liquid	Mass fraction of Potassium phosphate, monobasic (1) - Liquid
0.0500	0.1433
0.0500	0.1433
0.0353	0.1482
0.0194	0.1555
0.0000	0.1653

Mass fraction of Potassium phosphate, monobasic (1) [ref]

Operational conditions:

• Pressure, kPa = 100 (Liquid)
• Temperature, K = 288.15 (Liquid)

Mass fraction of Potassium sulfate (3) - Liquid	Mass fraction of Potassium phosphate, monobasic (1) - Liquid
0.0912	0.0000
0.0833	0.0207
0.0762	0.0439
0.0673	0.0648
0.0608	0.0851
0.0564	0.1036
0.0530	0.1214
0.0500	0.1433
0.0500	0.1433

Mass fraction of Potassium phosphate, monobasic (1) [ref]

Operational condition: Pressure, kPa = 101.3 (Liquid)

Temperature, K - Liquid	Mass fraction of Potassium phosphate, monobasic (1) - Liquid
298.15	0.1700
298.15	0.1702
298.15	0.1706
333.15	0.2797
333.15	0.2809
333.15	0.2818

Mass fraction of Potassium sulfate (3) [ref]

Operational condition: Pressure, kPa = 101 (Liquid)

Temperature, K - Liquid	Mass fraction of Potassium sulfate (3) - Liquid
298.15	0.0322
298.15	0.0320
298.15	0.0314
333.15	0.0403
333.15	0.0399
333.15	0.0396

Mass fraction of Potassium phosphate, monobasic (1) [ref]

Operational condition: Pressure, kPa = 101.3 (Liquid)

Fixed		Measured
Temperature, K - Liquid	Mass fraction of Potassium sulfate (3) - Liquid	Mass fraction of Potassium phosphate, monobasic (1) - Liquid
298.15	0.0000	0.2144
298.15	0.0090	0.1969
298.15	0.0171	0.1875
333.15	0.0000	0.3303
333.15	0.0055	0.3199
333.15	0.0132	0.3130
333.15	0.0214	0.3049

Mass fraction of Potassium phosphate, monobasic (1) [ref]

Operational condition: Pressure, kPa = 101.3 (Liquid)

Fixed		Measured
Temperature, K - Liquid	Mass fraction of Potassium sulfate (3) - Liquid	Mass fraction of Potassium phosphate, monobasic (1) - Liquid
298.15	0.0445	0.1324
298.15	0.0492	0.0964
298.15	0.0628	0.0367
298.15	0.0716	0.0000
333.15	0.0419	0.2697
333.15	0.0575	0.2141
333.15	0.0611	0.1838
333.15	0.0662	0.1504
333.15	0.0741	0.1179
333.15	0.0838	0.0807
333.15	0.0953	0.0429
333.15	0.1022	0.0000

Mass fraction of Potassium sulfate (3) [ref]

Fixed			Measured
Mass fraction of Potassium phosphate, monobasic (1) - Liquid	Temperature, K - Liquid	Pressure, kPa - Liquid	Mass fraction of Potassium sulfate (3) - Liquid
0.2143	313.15	88.40	0.0770

Mass fraction of Potassium phosphate, monobasic (1) [ref]

Operational conditions:

• Pressure, kPa = 88.35 (Liquid)
• Temperature, K = 313.15 (Liquid)

Mass fraction of Potassium sulfate (3) - Liquid	Mass fraction of Potassium phosphate, monobasic (1) - Liquid
0.0000	0.2556
0.0236	0.2450
0.0486	0.2163
0.0763	0.2086
0.0771	0.2099
0.0779	0.2048

Mass fraction of Potassium phosphate, monobasic (1) [ref]

Operational conditions:

• Pressure, kPa = 88.35 (Liquid)
• Temperature, K = 313.15 (Liquid)

Mass fraction of Potassium sulfate (3) - Liquid	Mass fraction of Potassium phosphate, monobasic (1) - Liquid
0.0763	0.2086
0.0771	0.2099
0.0779	0.2048
0.0860	0.1693
0.0938	0.1372
0.1012	0.0963
0.1049	0.0712
0.1128	0.0389
0.1288	0.0000

Mass fraction of Potassium phosphate, monobasic (1) [ref]

Fixed		Measured
Pressure, kPa - Liquid	Temperature, K - Liquid	Mass fraction of Potassium phosphate, monobasic (1) - Liquid
88.35	313.15	0.2078

Mass fraction of Potassium sulfate (3) [ref]

Fixed		Measured
Pressure, kPa - Liquid	Temperature, K - Liquid	Mass fraction of Potassium sulfate (3) - Liquid
88.35	313.15	0.0771

Mass fraction of Potassium sulfate (3) [ref]

Operational condition: Pressure, kPa = 100 (Liquid)

Fixed		Measured
Temperature, K - Liquid	Mass fraction of Potassium phosphate, monobasic (1) - Liquid	Mass fraction of Potassium sulfate (3) - Liquid
298.20	0.1716	0.0601
323.20	0.2353	0.0808

Mass fraction of Potassium sulfate (3) [ref]

Operational condition: Pressure, kPa = 100 (Liquid)

Fixed		Measured
Temperature, K - Liquid	Mass fraction of Potassium phosphate, monobasic (1) - Liquid	Mass fraction of Potassium sulfate (3) - Liquid
298.20	0.1716	0.0601
323.20	0.2353	0.0808

Mass fraction of Potassium phosphate, monobasic (1) [ref]

Operational conditions:

• Pressure, kPa = 100 (Liquid)
• Temperature, K = 288.15 (Liquid)

Mass fraction of Potassium sulfate (3) - Liquid	Mass fraction of Potassium phosphate, monobasic (1) - Liquid
0.0500	0.1433
0.0500	0.1433
0.0353	0.1482
0.0194	0.1555
0.0000	0.1653

Mass fraction of Potassium phosphate, monobasic (1) [ref]

Operational conditions:

• Pressure, kPa = 100 (Liquid)
• Temperature, K = 288.15 (Liquid)

Mass fraction of Potassium sulfate (3) - Liquid	Mass fraction of Potassium phosphate, monobasic (1) - Liquid
0.0912	0.0000
0.0833	0.0207
0.0762	0.0439
0.0673	0.0648
0.0608	0.0851
0.0564	0.1036
0.0530	0.1214
0.0500	0.1433
0.0500	0.1433

Mass fraction of Potassium phosphate, monobasic (1) [ref]

Operational condition: Pressure, kPa = 101.3 (Liquid)

Temperature, K - Liquid	Mass fraction of Potassium phosphate, monobasic (1) - Liquid
298.15	0.1700
298.15	0.1702
298.15	0.1706
333.15	0.2797
333.15	0.2809
333.15	0.2818

Mass fraction of Potassium sulfate (3) [ref]

Operational condition: Pressure, kPa = 101 (Liquid)

Temperature, K - Liquid	Mass fraction of Potassium sulfate (3) - Liquid
298.15	0.0322
298.15	0.0320
298.15	0.0314
333.15	0.0403
333.15	0.0399
333.15	0.0396

Mass fraction of Potassium phosphate, monobasic (1) [ref]

Operational condition: Pressure, kPa = 101.3 (Liquid)

Fixed		Measured
Temperature, K - Liquid	Mass fraction of Potassium sulfate (3) - Liquid	Mass fraction of Potassium phosphate, monobasic (1) - Liquid
298.15	0.0000	0.2144
298.15	0.0090	0.1969
298.15	0.0171	0.1875
333.15	0.0000	0.3303
333.15	0.0055	0.3199
333.15	0.0132	0.3130
333.15	0.0214	0.3049

Mass fraction of Potassium phosphate, monobasic (1) [ref]

Operational condition: Pressure, kPa = 101.3 (Liquid)

Fixed		Measured
Temperature, K - Liquid	Mass fraction of Potassium sulfate (3) - Liquid	Mass fraction of Potassium phosphate, monobasic (1) - Liquid
298.15	0.0445	0.1324
298.15	0.0492	0.0964
298.15	0.0628	0.0367
298.15	0.0716	0.0000
333.15	0.0419	0.2697
333.15	0.0575	0.2141
333.15	0.0611	0.1838
333.15	0.0662	0.1504
333.15	0.0741	0.1179
333.15	0.0838	0.0807
333.15	0.0953	0.0429
333.15	0.1022	0.0000

Refractive index (Na D-line) [ref]

Fixed				Measured
Mass fraction of Potassium phosphate, monobasic (1) - Liquid	Pressure, kPa - Liquid	Temperature, K - Liquid	Mass fraction of Potassium sulfate (3) - Liquid	Refractive index (Na D-line) - Liquid
0.2143	88.40	313.15	0.0770	1.3626

Refractive index (Na D-line) [ref]

Operational conditions:

• Pressure, kPa = 88.35 (Liquid)
• Temperature, K = 313.15 (Liquid)

Fixed		Measured
Mass fraction of Potassium sulfate (3) - Liquid	Mass fraction of Potassium phosphate, monobasic (1) - Liquid	Refractive index (Na D-line) - Liquid
0.0000	0.2556	1.36
0.0236	0.2450	1.3632
0.0486	0.2163	1.364
0.0763	0.2086	1.3642
0.0771	0.2099	1.3637
0.0779	0.2048	1.3638
0.0860	0.1693	1.3596
0.0938	0.1372	1.3575
0.1012	0.0963	1.355
0.1049	0.0712	1.353
0.1128	0.0389	1.3495
0.1288	0.0000	1.3473

Refractive index (Na D-line) [ref]

Fixed				Measured
Mass fraction of Potassium phosphate, monobasic (1) - Liquid	Pressure, kPa - Liquid	Temperature, K - Liquid	Mass fraction of Potassium sulfate (3) - Liquid	Refractive index (Na D-line) - Liquid
0.2143	88.40	313.15	0.0770	1.3626

Refractive index (Na D-line) [ref]

Operational conditions:

• Pressure, kPa = 88.35 (Liquid)
• Temperature, K = 313.15 (Liquid)

Fixed		Measured
Mass fraction of Potassium sulfate (3) - Liquid	Mass fraction of Potassium phosphate, monobasic (1) - Liquid	Refractive index (Na D-line) - Liquid
0.0000	0.2556	1.36
0.0236	0.2450	1.3632
0.0486	0.2163	1.364
0.0763	0.2086	1.3642
0.0771	0.2099	1.3637
0.0779	0.2048	1.3638
0.0860	0.1693	1.3596
0.0938	0.1372	1.3575
0.1012	0.0963	1.355
0.1049	0.0712	1.353
0.1128	0.0389	1.3495
0.1288	0.0000	1.3473

Mass density, kg/m3 [ref]

Operational conditions:

• Pressure, kPa = 88.35 (Liquid)
• Temperature, K = 313.15 (Liquid)

Fixed		Measured
Mass fraction of Potassium sulfate (3) - Liquid	Mass fraction of Potassium phosphate, monobasic (1) - Liquid	Mass density, kg/m3 - Liquid
0.0000	0.2556	1184.7
0.0236	0.2450	1204.1
0.0486	0.2163	1202.8
0.0763	0.2086	1213.7
0.0771	0.2099	1213.6
0.0779	0.2048	1213.2
0.0860	0.1693	1195.9
0.0938	0.1372	1156.4
0.1012	0.0963	1148.4
0.1049	0.0712	1134.8
0.1128	0.0389	1127.2
0.1288	0.0000	1099.9

Mass density, kg/m3 [ref]

Operational conditions:

• Pressure, kPa = 100 (Liquid)
• Temperature, K = 288.15 (Liquid)

Fixed		Measured
Mass fraction of Potassium sulfate (3) - Liquid	Mass fraction of Potassium phosphate, monobasic (1) - Liquid	Mass density, kg/m3 - Liquid
0.0912	0.0000	1075.6
0.0833	0.0207	1084.3
0.0762	0.0439	1095.2
0.0673	0.0648	1104.9
0.0608	0.0851	1115.1
0.0564	0.1036	1125.5
0.0530	0.1214	1136.5
0.0500	0.1433	1150.2
0.0500	0.1433	1150.4
0.0353	0.1482	1142.5
0.0194	0.1555	1133.2
0.0000	0.1653	1122.9

Mass density, kg/m3 [ref]

Operational condition: Pressure, kPa = 101.3 (Liquid)

Temperature, K - Liquid	Mass density, kg/m3 - Liquid
298.15	1087.0
298.15	1086.9
298.15	1094.3
333.15	1132.8
333.15	1131.8
333.15	1132.1

Mass density, kg/m3 [ref]

Operational condition: Pressure, kPa = 101.3 (Liquid)

Fixed		Measured
Temperature, K - Liquid	Mass fraction of Potassium sulfate (3) - Liquid	Mass density, kg/m3 - Liquid
298.15	0.0000	1080.2
298.15	0.0090	1076.3
298.15	0.0171	1079.7
333.15	0.0000	1121.0
333.15	0.0055	1122.2
333.15	0.0132	1124.5
333.15	0.0214	1127.1

Mass density, kg/m3 [ref]

Operational condition: Pressure, kPa = 101.3 (Liquid)

Fixed		Measured
Temperature, K - Liquid	Mass fraction of Potassium sulfate (3) - Liquid	Mass density, kg/m3 - Liquid
298.15	0.0445	1078.1
298.15	0.0492	1067.4
298.15	0.0628	1052.8
298.15	0.0716	1043.3
333.15	0.0419	1127.8
333.15	0.0575	1110.8
333.15	0.0611	1102.7
333.15	0.0662	1093.0
333.15	0.0741	1083.9
333.15	0.0838	1075.4
333.15	0.0953	1067.3
333.15	0.1022	1058.7

Mass density, kg/m3 [ref]

Operational conditions:

• Pressure, kPa = 88.35 (Liquid)
• Temperature, K = 313.15 (Liquid)

Fixed		Measured
Mass fraction of Potassium sulfate (3) - Liquid	Mass fraction of Potassium phosphate, monobasic (1) - Liquid	Mass density, kg/m3 - Liquid
0.0000	0.2556	1184.7
0.0236	0.2450	1204.1
0.0486	0.2163	1202.8
0.0763	0.2086	1213.7
0.0771	0.2099	1213.6
0.0779	0.2048	1213.2
0.0860	0.1693	1195.9
0.0938	0.1372	1156.4
0.1012	0.0963	1148.4
0.1049	0.0712	1134.8
0.1128	0.0389	1127.2
0.1288	0.0000	1099.9

Mass density, kg/m3 [ref]

Operational conditions:

• Pressure, kPa = 100 (Liquid)
• Temperature, K = 288.15 (Liquid)

Fixed		Measured
Mass fraction of Potassium sulfate (3) - Liquid	Mass fraction of Potassium phosphate, monobasic (1) - Liquid	Mass density, kg/m3 - Liquid
0.0912	0.0000	1075.6
0.0833	0.0207	1084.3
0.0762	0.0439	1095.2
0.0673	0.0648	1104.9
0.0608	0.0851	1115.1
0.0564	0.1036	1125.5
0.0530	0.1214	1136.5
0.0500	0.1433	1150.2
0.0500	0.1433	1150.4
0.0353	0.1482	1142.5
0.0194	0.1555	1133.2
0.0000	0.1653	1122.9

Mass density, kg/m3 [ref]

Operational condition: Pressure, kPa = 101.3 (Liquid)

Temperature, K - Liquid	Mass density, kg/m3 - Liquid
298.15	1087.0
298.15	1086.9
298.15	1094.3
333.15	1132.8
333.15	1131.8
333.15	1132.1

Mass density, kg/m3 [ref]

Operational condition: Pressure, kPa = 101.3 (Liquid)

Fixed		Measured
Temperature, K - Liquid	Mass fraction of Potassium sulfate (3) - Liquid	Mass density, kg/m3 - Liquid
298.15	0.0000	1080.2
298.15	0.0090	1076.3
298.15	0.0171	1079.7
333.15	0.0000	1121.0
333.15	0.0055	1122.2
333.15	0.0132	1124.5
333.15	0.0214	1127.1

Mass density, kg/m3 [ref]

Operational condition: Pressure, kPa = 101.3 (Liquid)

Fixed		Measured
Temperature, K - Liquid	Mass fraction of Potassium sulfate (3) - Liquid	Mass density, kg/m3 - Liquid
298.15	0.0445	1078.1
298.15	0.0492	1067.4
298.15	0.0628	1052.8
298.15	0.0716	1043.3
333.15	0.0419	1127.8
333.15	0.0575	1110.8
333.15	0.0611	1102.7
333.15	0.0662	1093.0
333.15	0.0741	1083.9
333.15	0.0838	1075.4
333.15	0.0953	1067.3
333.15	0.1022	1058.7

Sources

• Solid-liquid phase equilibrium and phase diagram for the reciprocal quaternary system Na+, K+ // SO42,H2PO4- - H2O at 313.15 K
• Thermodynamic modeling of high salinary phosphate solutions II. Ternary and higher systems
• Stable (solid + liquid) phase equilibrium for the ternary systems (K2SO4 + KH2PO4 + H2O), (K2SO4 + KCl + H2O) at T = 313.15 K
• Solid Liquid Equilibria in the Quaternary System K+//H2PO42 , SO42 ,Cl H2O at 298.2 K and 323.2 K
• Phase Equilibrium for the Ternary Systems (KCl + K2SO4 + H2O) and (KH2PO4 + K2SO4 + H2O) at 288.15 K and Atmospheric Pressure
• Solid Liquid Phase Equilibrium for the Ternary System K2SO4 + KH2PO4 + H2O at (298.15 and 333.15) K