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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
4966	Potassium sulfate	7778-80-5	K₂O₄S	Overview	Details
6371	Potassium phosphate	7778-53-2	K₃O₄P	Overview	Details
1003149	Potassium phosphate trihydrate		K₃PO₄*3H₂O	Overview	Details
1003153	Potassium orthophosphate sulfate undecahydrate		K₅(PO₄)(SO₄)*1₁H₂O	Overview	Details

Search for mixtures containing this mixture as subsystem

Mixture Data

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**Vapor-Liquid Equilibria (VLE)**
DDB#	Name	4966	6371	1003149	1003153	Potassium orthophosphate sulfate undecahydrate
174	Water	4	6	n.a.	n.a.
4966	Potassium sulfate		n.a.	n.a.	n.a.
6371	Potassium phosphate			n.a.	n.a.
1003149	Potassium phosphate trihydrate				n.a.

**Liquid-Liquid Equilibria (Miscibility Gaps) (LLE)**
DDB#	Name	4966	6371	1003149	1003153	Potassium orthophosphate sulfate undecahydrate
174	Water	n.a.	3	n.a.	n.a.
4966	Potassium sulfate		n.a.	n.a.	n.a.
6371	Potassium phosphate			n.a.	n.a.
1003149	Potassium phosphate trihydrate				n.a.

**Heat Capacities of Mixtures, Excess Heat Capacities (CPE)**
DDB#	Name	4966	6371	1003149	1003153	Potassium orthophosphate sulfate undecahydrate
174	Water	16	n.a.	n.a.	n.a.
4966	Potassium sulfate		n.a.	n.a.	n.a.
6371	Potassium phosphate			n.a.	n.a.
1003149	Potassium phosphate trihydrate				n.a.

**Solid-Liquid Equilibria (SLE)**
DDB#	Name	4966	6371	1003149	1003153	Potassium orthophosphate sulfate undecahydrate
174	Water	3	5	n.a.	n.a.
4966	Potassium sulfate		1	n.a.	n.a.
6371	Potassium phosphate			n.a.	n.a.
1003149	Potassium phosphate trihydrate				n.a.

**Vapor-Liquid Equilibria of Electrolyte Systems (ELE)**
DDB#	Name	4966	6371	1003149	1003153	Potassium orthophosphate sulfate undecahydrate
174	Water	71	17	n.a.	n.a.
4966	Potassium sulfate		n.a.	n.a.	n.a.
6371	Potassium phosphate			n.a.	n.a.
1003149	Potassium phosphate trihydrate				n.a.

**Densities and Volumes of Mixtures, Excess Volumes (VE)**
DDB#	Name	4966	6371	1003149	1003153	Potassium orthophosphate sulfate undecahydrate
174	Water	83	6	n.a.	n.a.
4966	Potassium sulfate		n.a.	n.a.	n.a.
6371	Potassium phosphate			n.a.	n.a.
1003149	Potassium phosphate trihydrate				n.a.

**Salt Solubilities (ESLE)**
DDB#	Name	4966	6371	1003149	1003153	Potassium orthophosphate sulfate undecahydrate
174	Water	254	2	n.a.	n.a.
4966	Potassium sulfate		n.a.	n.a.	n.a.
6371	Potassium phosphate			n.a.	n.a.
1003149	Potassium phosphate trihydrate				n.a.

**Mixture Viscosities (VIS)**
DDB#	Name	4966	6371	1003149	1003153	Potassium orthophosphate sulfate undecahydrate
174	Water	80	10	n.a.	n.a.
4966	Potassium sulfate		n.a.	n.a.	n.a.
6371	Potassium phosphate			n.a.	n.a.
1003149	Potassium phosphate trihydrate				n.a.

**Mixture Surface Tensions (MSFT)**
DDB#	Name	4966	6371	1003149	1003153	Potassium orthophosphate sulfate undecahydrate
174	Water	1	3	n.a.	n.a.
4966	Potassium sulfate		n.a.	n.a.	n.a.
6371	Potassium phosphate			n.a.	n.a.
1003149	Potassium phosphate trihydrate				n.a.

**Mixture Speeds of Sound (MSOS)**
DDB#	Name	4966	6371	1003149	1003153	Potassium orthophosphate sulfate undecahydrate
174	Water	9	4	n.a.	n.a.
4966	Potassium sulfate		n.a.	n.a.	n.a.
6371	Potassium phosphate			n.a.	n.a.
1003149	Potassium phosphate trihydrate				n.a.

**Mixture Thermal Conductivities (MTCN)**
DDB#	Name	4966	6371	1003149	1003153	Potassium orthophosphate sulfate undecahydrate
174	Water	12	n.a.	n.a.	n.a.
4966	Potassium sulfate		n.a.	n.a.	n.a.
6371	Potassium phosphate			n.a.	n.a.
1003149	Potassium phosphate trihydrate				n.a.

**Mixture P-v-T Data (MPVT)**
DDB#	Name	4966	6371	1003149	1003153	Potassium orthophosphate sulfate undecahydrate
174	Water	47	n.a.	n.a.	n.a.
4966	Potassium sulfate		n.a.	n.a.	n.a.
6371	Potassium phosphate			n.a.	n.a.
1003149	Potassium phosphate trihydrate				n.a.

**Electrical Conductivities (ECND)**
DDB#	Name	4966	6371	1003149	1003153	Potassium orthophosphate sulfate undecahydrate
174	Water	17	8	n.a.	n.a.
4966	Potassium sulfate		n.a.	n.a.	n.a.
6371	Potassium phosphate			n.a.	n.a.
1003149	Potassium phosphate trihydrate				n.a.

**Diffusion Coefficients (DIF)**
DDB#	Name	4966	6371	1003149	1003153	Potassium orthophosphate sulfate undecahydrate
174	Water	1	n.a.	n.a.	n.a.
4966	Potassium sulfate		n.a.	n.a.	n.a.
6371	Potassium phosphate			n.a.	n.a.
1003149	Potassium phosphate trihydrate				n.a.

**Further Thermodynamic Properties (X)**
DDB#	Name	4966	6371	1003149	1003153	Potassium orthophosphate sulfate undecahydrate
174	Water	18	n.a.	n.a.	n.a.
4966	Potassium sulfate		n.a.	n.a.	n.a.
6371	Potassium phosphate			n.a.	n.a.
1003149	Potassium phosphate trihydrate				n.a.

**Total**
DDB#	Name	4966	6371	1003149	1003153	Potassium orthophosphate sulfate undecahydrate
174	Water	616	64	n.a.	n.a.
4966	Potassium sulfate		1	n.a.	n.a.
6371	Potassium phosphate			n.a.	n.a.
1003149	Potassium phosphate trihydrate				n.a.

Dortmund Data Bank Version: February 2024

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