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Dortmund Data Bank
Thermophysical Data for Process Design
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Query

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DDB#	Name	CAS-RN	Formula
174	Water	7732-18-5	H₂O	Overview	Details
2201	Urea	57-13-6	CH₄N₂O	Overview	Details
6356	Potassium dihydrogen phosphate	7778-77-0	H₂KO₄P	Overview	Details
13496	Ammonium dihydrogen phosphate	7722-76-1	H₆NO₄P	Overview	Details
1005675	α-Ammonium potassium dihydrogen phosphate		(NH₄)n(K)mH₂PO₄	Overview	Details
1005676	β-Ammonium potassium dihydrogen phosphate		(NH₄)n(K)mH₂PO₄	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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