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Thermophysical Data for Process Design
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Query

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DDB#	Name	CAS-RN	Formula
148	Sulfuric acid	7664-93-9	H₂O₄S	Overview	Details
174	Water	7732-18-5	H₂O	Overview	Details
4966	Potassium sulfate	7778-80-5	K₂O₄S	Overview	Details
17374	Potassium hydrogen sulfate	7646-93-7	HKO₄S	Overview	Details
1003580	Tripotassium hydrogen sulfate		K₃H(SO₄)₂	Overview	Details

Search for mixtures containing this mixture as subsystem

Mixture Data

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**Vapor-Liquid Equilibria (VLE)**
DDB#	Name	174	4966	17374	1003580	Tripotassium hydrogen sulfate
148	Sulfuric acid	150	1	1	n.a.
174	Water		4	n.a.	n.a.
4966	Potassium sulfate			n.a.	n.a.
17374	Potassium hydrogen sulfate				n.a.

**Heats of Mixing (HE)**
DDB#	Name	174	4966	17374	1003580	Tripotassium hydrogen sulfate
148	Sulfuric acid	3	n.a.	n.a.	n.a.
174	Water		n.a.	n.a.	n.a.
4966	Potassium sulfate			n.a.	n.a.
17374	Potassium hydrogen sulfate				n.a.

**Heat Capacities of Mixtures, Excess Heat Capacities (CPE)**
DDB#	Name	174	4966	17374	1003580	Tripotassium hydrogen sulfate
148	Sulfuric acid	22	n.a.	n.a.	n.a.
174	Water		16	1	n.a.
4966	Potassium sulfate			n.a.	n.a.
17374	Potassium hydrogen sulfate				n.a.

**(A)zeotropic Data (AZD)**
DDB#	Name	174	4966	17374	1003580	Tripotassium hydrogen sulfate
148	Sulfuric acid	41	n.a.	n.a.	n.a.
174	Water		n.a.	n.a.	n.a.
4966	Potassium sulfate			n.a.	n.a.
17374	Potassium hydrogen sulfate				n.a.

**Solid-Liquid Equilibria (SLE)**
DDB#	Name	174	4966	17374	1003580	Tripotassium hydrogen sulfate
148	Sulfuric acid	42	5	7	n.a.
174	Water		3	1	n.a.
4966	Potassium sulfate			n.a.	n.a.
17374	Potassium hydrogen sulfate				n.a.

**Vapor-Liquid Equilibria of Electrolyte Systems (ELE)**
DDB#	Name	174	4966	17374	1003580	Tripotassium hydrogen sulfate
148	Sulfuric acid	64	n.a.	n.a.	n.a.
174	Water		71	11	n.a.
4966	Potassium sulfate			n.a.	n.a.
17374	Potassium hydrogen sulfate				n.a.

**Densities and Volumes of Mixtures, Excess Volumes (VE)**
DDB#	Name	174	4966	17374	1003580	Tripotassium hydrogen sulfate
148	Sulfuric acid	120	n.a.	3	n.a.
174	Water		83	3	n.a.
4966	Potassium sulfate			n.a.	n.a.
17374	Potassium hydrogen sulfate				n.a.

**Salt Solubilities (ESLE)**
DDB#	Name	174	4966	17374	1003580	Tripotassium hydrogen sulfate
148	Sulfuric acid	8	n.a.	n.a.	n.a.
174	Water		254	1	n.a.
4966	Potassium sulfate			n.a.	n.a.
17374	Potassium hydrogen sulfate				n.a.

**Critical Data of Mixtures (CRI)**
DDB#	Name	174	4966	17374	1003580	Tripotassium hydrogen sulfate
148	Sulfuric acid	1	n.a.	n.a.	n.a.
174	Water		n.a.	1	n.a.
4966	Potassium sulfate			n.a.	n.a.
17374	Potassium hydrogen sulfate				n.a.

**Mixture Viscosities (VIS)**
DDB#	Name	174	4966	17374	1003580	Tripotassium hydrogen sulfate
148	Sulfuric acid	50	n.a.	1	n.a.
174	Water		80	n.a.	n.a.
4966	Potassium sulfate			n.a.	n.a.
17374	Potassium hydrogen sulfate				n.a.

**Mixture Surface Tensions (MSFT)**
DDB#	Name	174	4966	17374	1003580	Tripotassium hydrogen sulfate
148	Sulfuric acid	26	n.a.	n.a.	n.a.
174	Water		1	n.a.	n.a.
4966	Potassium sulfate			n.a.	n.a.
17374	Potassium hydrogen sulfate				n.a.

**Mixture Speeds of Sound (MSOS)**
DDB#	Name	174	4966	17374	1003580	Tripotassium hydrogen sulfate
148	Sulfuric acid	1	n.a.	n.a.	n.a.
174	Water		9	7	n.a.
4966	Potassium sulfate			n.a.	n.a.
17374	Potassium hydrogen sulfate				n.a.

**Mixture Thermal Conductivities (MTCN)**
DDB#	Name	174	4966	17374	1003580	Tripotassium hydrogen sulfate
148	Sulfuric acid	7	n.a.	n.a.	n.a.
174	Water		12	n.a.	n.a.
4966	Potassium sulfate			n.a.	n.a.
17374	Potassium hydrogen sulfate				n.a.

**Mixture Dielectric Constants (MDEC)**
DDB#	Name	174	4966	17374	1003580	Tripotassium hydrogen sulfate
148	Sulfuric acid	3	n.a.	n.a.	n.a.
174	Water		n.a.	n.a.	n.a.
4966	Potassium sulfate			n.a.	n.a.
17374	Potassium hydrogen sulfate				n.a.

**Mixture P-v-T Data (MPVT)**
DDB#	Name	174	4966	17374	1003580	Tripotassium hydrogen sulfate
148	Sulfuric acid	3	n.a.	n.a.	n.a.
174	Water		47	n.a.	n.a.
4966	Potassium sulfate			n.a.	n.a.
17374	Potassium hydrogen sulfate				n.a.

**Electrical Conductivities (ECND)**
DDB#	Name	174	4966	17374	1003580	Tripotassium hydrogen sulfate
148	Sulfuric acid	26	n.a.	n.a.	n.a.
174	Water		17	1	n.a.
4966	Potassium sulfate			n.a.	n.a.
17374	Potassium hydrogen sulfate				n.a.

**Diffusion Coefficients (DIF)**
DDB#	Name	174	4966	17374	1003580	Tripotassium hydrogen sulfate
148	Sulfuric acid	n.a.	n.a.	n.a.	n.a.
174	Water		1	n.a.	n.a.
4966	Potassium sulfate			n.a.	n.a.
17374	Potassium hydrogen sulfate				n.a.

**Further Thermodynamic Properties (X)**
DDB#	Name	174	4966	17374	1003580	Tripotassium hydrogen sulfate
148	Sulfuric acid	50	n.a.	n.a.	n.a.
174	Water		18	1	n.a.
4966	Potassium sulfate			n.a.	n.a.
17374	Potassium hydrogen sulfate				n.a.

**Total**
DDB#	Name	174	4966	17374	1003580	Tripotassium hydrogen sulfate
148	Sulfuric acid	617	6	12	n.a.
174	Water		616	27	n.a.
4966	Potassium sulfate			n.a.	n.a.
17374	Potassium hydrogen sulfate				n.a.

Dortmund Data Bank Version: February 2024

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