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Dortmund Data Bank
Thermophysical Data for Process Design
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DDB#
Name
CAS-RN
Formula
174
Water
7732-18-5
H
2
O
Overview
Details
2201
Urea
57-13-6
CH
4
N
2
O
Overview
Details
6356
Potassium dihydrogen phosphate
7778-77-0
H
2
KO
4
P
Overview
Details
13496
Ammonium dihydrogen phosphate
7722-76-1
H
6
NO
4
P
Overview
Details
1005675
α-Ammonium potassium dihydrogen
phosphate
(NH
4
)n(K)mH
2
PO
4
Overview
Details
1005676
β-Ammonium potassium dihydrogen phosphate
(NH
4
)n(K)mH
2
PO
4
Overview
Details
Search for mixtures containing this mixture as subsystem
Mixture Data
Number of available sets is shown
Vapor-Liquid Equilibria (
VLE
)
DDB#
Name
2201
6356
13496
1005675
1005676
β-Ammonium potassium dihydrogen phosphate
174
Water
15
n.a.
n.a.
n.a.
n.a.
2201
Urea
n.a.
n.a.
n.a.
n.a.
6356
Potassium dihydrogen phosphate
n.a.
n.a.
n.a.
13496
Ammonium dihydrogen phosphate
n.a.
n.a.
1005675
α-Ammonium potassium dihydrogen phosphate
n.a.
Heats of Mixing (
HE
)
DDB#
Name
2201
6356
13496
1005675
1005676
β-Ammonium potassium dihydrogen phosphate
174
Water
1
n.a.
n.a.
n.a.
n.a.
2201
Urea
n.a.
n.a.
n.a.
n.a.
6356
Potassium dihydrogen phosphate
n.a.
n.a.
n.a.
13496
Ammonium dihydrogen phosphate
n.a.
n.a.
1005675
α-Ammonium potassium dihydrogen phosphate
n.a.
Liquid-Liquid Equilibria (Miscibility Gaps) (
LLE
)
DDB#
Name
2201
6356
13496
1005675
1005676
β-Ammonium potassium dihydrogen phosphate
174
Water
n.a.
2
n.a.
n.a.
n.a.
2201
Urea
n.a.
n.a.
n.a.
n.a.
6356
Potassium dihydrogen phosphate
n.a.
n.a.
n.a.
13496
Ammonium dihydrogen phosphate
n.a.
n.a.
1005675
α-Ammonium potassium dihydrogen phosphate
n.a.
Heat Capacities of Mixtures, Excess Heat Capacities (
CPE
)
DDB#
Name
2201
6356
13496
1005675
1005676
β-Ammonium potassium dihydrogen phosphate
174
Water
13
5
5
n.a.
n.a.
2201
Urea
n.a.
n.a.
n.a.
n.a.
6356
Potassium dihydrogen phosphate
n.a.
n.a.
n.a.
13496
Ammonium dihydrogen phosphate
n.a.
n.a.
1005675
α-Ammonium potassium dihydrogen phosphate
n.a.
Solid-Liquid Equilibria (
SLE
)
DDB#
Name
2201
6356
13496
1005675
1005676
β-Ammonium potassium dihydrogen phosphate
174
Water
218
1
n.a.
n.a.
n.a.
2201
Urea
n.a.
2
n.a.
n.a.
6356
Potassium dihydrogen phosphate
1
n.a.
n.a.
13496
Ammonium dihydrogen phosphate
n.a.
n.a.
1005675
α-Ammonium potassium dihydrogen phosphate
n.a.
Vapor-Liquid Equilibria of Electrolyte Systems (
ELE
)
DDB#
Name
2201
6356
13496
1005675
1005676
β-Ammonium potassium dihydrogen phosphate
174
Water
5
23
14
n.a.
n.a.
2201
Urea
n.a.
n.a.
n.a.
n.a.
6356
Potassium dihydrogen phosphate
n.a.
n.a.
n.a.
13496
Ammonium dihydrogen phosphate
n.a.
n.a.
1005675
α-Ammonium potassium dihydrogen phosphate
n.a.
Densities and Volumes of Mixtures, Excess Volumes (
VE
)
DDB#
Name
2201
6356
13496
1005675
1005676
β-Ammonium potassium dihydrogen phosphate
174
Water
122
19
19
n.a.
n.a.
2201
Urea
n.a.
n.a.
n.a.
n.a.
6356
Potassium dihydrogen phosphate
n.a.
n.a.
n.a.
13496
Ammonium dihydrogen phosphate
n.a.
n.a.
1005675
α-Ammonium potassium dihydrogen phosphate
n.a.
Salt Solubilities (
ESLE
)
DDB#
Name
2201
6356
13496
1005675
1005676
β-Ammonium potassium dihydrogen phosphate
174
Water
1
43
71
n.a.
n.a.
2201
Urea
n.a.
n.a.
n.a.
n.a.
6356
Potassium dihydrogen phosphate
n.a.
n.a.
n.a.
13496
Ammonium dihydrogen phosphate
n.a.
n.a.
1005675
α-Ammonium potassium dihydrogen phosphate
n.a.
Mixture Viscosities (
VIS
)
DDB#
Name
2201
6356
13496
1005675
1005676
β-Ammonium potassium dihydrogen phosphate
174
Water
56
12
4
n.a.
n.a.
2201
Urea
n.a.
n.a.
n.a.
n.a.
6356
Potassium dihydrogen phosphate
n.a.
n.a.
n.a.
13496
Ammonium dihydrogen phosphate
n.a.
n.a.
1005675
α-Ammonium potassium dihydrogen phosphate
n.a.
Mixture Surface Tensions (
MSFT
)
DDB#
Name
2201
6356
13496
1005675
1005676
β-Ammonium potassium dihydrogen phosphate
174
Water
9
5
n.a.
n.a.
n.a.
2201
Urea
n.a.
n.a.
n.a.
n.a.
6356
Potassium dihydrogen phosphate
n.a.
n.a.
n.a.
13496
Ammonium dihydrogen phosphate
n.a.
n.a.
1005675
α-Ammonium potassium dihydrogen phosphate
n.a.
Mixture Speeds of Sound (
MSOS
)
DDB#
Name
2201
6356
13496
1005675
1005676
β-Ammonium potassium dihydrogen phosphate
174
Water
36
8
4
n.a.
n.a.
2201
Urea
n.a.
n.a.
n.a.
n.a.
6356
Potassium dihydrogen phosphate
n.a.
n.a.
n.a.
13496
Ammonium dihydrogen phosphate
n.a.
n.a.
1005675
α-Ammonium potassium dihydrogen phosphate
n.a.
Mixture Thermal Conductivities (
MTCN
)
DDB#
Name
2201
6356
13496
1005675
1005676
β-Ammonium potassium dihydrogen phosphate
174
Water
n.a.
1
n.a.
n.a.
n.a.
2201
Urea
n.a.
n.a.
n.a.
n.a.
6356
Potassium dihydrogen phosphate
n.a.
n.a.
n.a.
13496
Ammonium dihydrogen phosphate
n.a.
n.a.
1005675
α-Ammonium potassium dihydrogen phosphate
n.a.
Mixture Dielectric Constants (
MDEC
)
DDB#
Name
2201
6356
13496
1005675
1005676
β-Ammonium potassium dihydrogen phosphate
174
Water
3
n.a.
n.a.
n.a.
n.a.
2201
Urea
n.a.
n.a.
n.a.
n.a.
6356
Potassium dihydrogen phosphate
n.a.
n.a.
n.a.
13496
Ammonium dihydrogen phosphate
n.a.
n.a.
1005675
α-Ammonium potassium dihydrogen phosphate
n.a.
Mixture P-v-T Data (
MPVT
)
DDB#
Name
2201
6356
13496
1005675
1005676
β-Ammonium potassium dihydrogen phosphate
174
Water
18
n.a.
n.a.
n.a.
n.a.
2201
Urea
n.a.
n.a.
n.a.
n.a.
6356
Potassium dihydrogen phosphate
n.a.
n.a.
n.a.
13496
Ammonium dihydrogen phosphate
n.a.
n.a.
1005675
α-Ammonium potassium dihydrogen phosphate
n.a.
Electrical Conductivities (
ECND
)
DDB#
Name
2201
6356
13496
1005675
1005676
β-Ammonium potassium dihydrogen phosphate
174
Water
6
9
7
n.a.
n.a.
2201
Urea
n.a.
n.a.
n.a.
n.a.
6356
Potassium dihydrogen phosphate
n.a.
n.a.
n.a.
13496
Ammonium dihydrogen phosphate
n.a.
n.a.
1005675
α-Ammonium potassium dihydrogen phosphate
n.a.
Diffusion Coefficients (
DIF
)
DDB#
Name
2201
6356
13496
1005675
1005676
β-Ammonium potassium dihydrogen phosphate
174
Water
4
n.a.
n.a.
n.a.
n.a.
2201
Urea
n.a.
n.a.
n.a.
n.a.
6356
Potassium dihydrogen phosphate
n.a.
n.a.
n.a.
13496
Ammonium dihydrogen phosphate
n.a.
n.a.
1005675
α-Ammonium potassium dihydrogen phosphate
n.a.
Further Thermodynamic Properties (
X
)
DDB#
Name
2201
6356
13496
1005675
1005676
β-Ammonium potassium dihydrogen phosphate
174
Water
66
4
1
n.a.
n.a.
2201
Urea
n.a.
n.a.
n.a.
n.a.
6356
Potassium dihydrogen phosphate
n.a.
n.a.
n.a.
13496
Ammonium dihydrogen phosphate
n.a.
n.a.
1005675
α-Ammonium potassium dihydrogen phosphate
n.a.
Total
DDB#
Name
2201
6356
13496
1005675
1005676
β-Ammonium potassium dihydrogen phosphate
174
Water
573
132
125
n.a.
n.a.
2201
Urea
n.a.
2
n.a.
n.a.
6356
Potassium dihydrogen phosphate
1
n.a.
n.a.
13496
Ammonium dihydrogen phosphate
n.a.
n.a.
1005675
α-Ammonium potassium dihydrogen phosphate
n.a.
Dortmund Data Bank Version: February 2024
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