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Thermophysical Data for Process Design
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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
1002209	Tetra(potassium hydrogen sulfate) tri(sulfuric acid) dihydrate		K₄H₄(SO₄)₄3H₂SO₄2H₂O	Overview	Details
1002211	Potassium hydrogen sulfate mono(sulfuric acid)		KHSO₄*H₂SO₄	Overview	Details

Search for mixtures containing this mixture as subsystem

Mixture Data

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**Vapor-Liquid Equilibria (VLE)**
DDB#	Name	174	4966	1002209	1002211	Potassium hydrogen sulfate mono(sulfuric acid)
148	Sulfuric acid	150	1	n.a.	n.a.
174	Water		4	n.a.	n.a.
4966	Potassium sulfate			n.a.	n.a.
1002209	Tetra(potassium hydrogen sulfate) tri(sulfuric acid) dihydrate				n.a.

**Heats of Mixing (HE)**
DDB#	Name	174	4966	1002209	1002211	Potassium hydrogen sulfate mono(sulfuric acid)
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.
1002209	Tetra(potassium hydrogen sulfate) tri(sulfuric acid) dihydrate				n.a.

**Heat Capacities of Mixtures, Excess Heat Capacities (CPE)**
DDB#	Name	174	4966	1002209	1002211	Potassium hydrogen sulfate mono(sulfuric acid)
148	Sulfuric acid	22	n.a.	n.a.	n.a.
174	Water		16	n.a.	n.a.
4966	Potassium sulfate			n.a.	n.a.
1002209	Tetra(potassium hydrogen sulfate) tri(sulfuric acid) dihydrate				n.a.

**(A)zeotropic Data (AZD)**
DDB#	Name	174	4966	1002209	1002211	Potassium hydrogen sulfate mono(sulfuric acid)
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.
1002209	Tetra(potassium hydrogen sulfate) tri(sulfuric acid) dihydrate				n.a.

**Solid-Liquid Equilibria (SLE)**
DDB#	Name	174	4966	1002209	1002211	Potassium hydrogen sulfate mono(sulfuric acid)
148	Sulfuric acid	42	5	n.a.	n.a.
174	Water		3	n.a.	n.a.
4966	Potassium sulfate			n.a.	n.a.
1002209	Tetra(potassium hydrogen sulfate) tri(sulfuric acid) dihydrate				n.a.

**Vapor-Liquid Equilibria of Electrolyte Systems (ELE)**
DDB#	Name	174	4966	1002209	1002211	Potassium hydrogen sulfate mono(sulfuric acid)
148	Sulfuric acid	64	n.a.	n.a.	n.a.
174	Water		71	n.a.	n.a.
4966	Potassium sulfate			n.a.	n.a.
1002209	Tetra(potassium hydrogen sulfate) tri(sulfuric acid) dihydrate				n.a.

**Densities and Volumes of Mixtures, Excess Volumes (VE)**
DDB#	Name	174	4966	1002209	1002211	Potassium hydrogen sulfate mono(sulfuric acid)
148	Sulfuric acid	120	n.a.	n.a.	n.a.
174	Water		83	n.a.	n.a.
4966	Potassium sulfate			n.a.	n.a.
1002209	Tetra(potassium hydrogen sulfate) tri(sulfuric acid) dihydrate				n.a.

**Salt Solubilities (ESLE)**
DDB#	Name	174	4966	1002209	1002211	Potassium hydrogen sulfate mono(sulfuric acid)
148	Sulfuric acid	8	n.a.	n.a.	n.a.
174	Water		254	n.a.	n.a.
4966	Potassium sulfate			n.a.	n.a.
1002209	Tetra(potassium hydrogen sulfate) tri(sulfuric acid) dihydrate				n.a.

**Critical Data of Mixtures (CRI)**
DDB#	Name	174	4966	1002209	1002211	Potassium hydrogen sulfate mono(sulfuric acid)
148	Sulfuric acid	1	n.a.	n.a.	n.a.
174	Water		n.a.	n.a.	n.a.
4966	Potassium sulfate			n.a.	n.a.
1002209	Tetra(potassium hydrogen sulfate) tri(sulfuric acid) dihydrate				n.a.

**Mixture Viscosities (VIS)**
DDB#	Name	174	4966	1002209	1002211	Potassium hydrogen sulfate mono(sulfuric acid)
148	Sulfuric acid	50	n.a.	n.a.	n.a.
174	Water		80	n.a.	n.a.
4966	Potassium sulfate			n.a.	n.a.
1002209	Tetra(potassium hydrogen sulfate) tri(sulfuric acid) dihydrate				n.a.

**Mixture Surface Tensions (MSFT)**
DDB#	Name	174	4966	1002209	1002211	Potassium hydrogen sulfate mono(sulfuric acid)
148	Sulfuric acid	26	n.a.	n.a.	n.a.
174	Water		1	n.a.	n.a.
4966	Potassium sulfate			n.a.	n.a.
1002209	Tetra(potassium hydrogen sulfate) tri(sulfuric acid) dihydrate				n.a.

**Mixture Speeds of Sound (MSOS)**
DDB#	Name	174	4966	1002209	1002211	Potassium hydrogen sulfate mono(sulfuric acid)
148	Sulfuric acid	1	n.a.	n.a.	n.a.
174	Water		9	n.a.	n.a.
4966	Potassium sulfate			n.a.	n.a.
1002209	Tetra(potassium hydrogen sulfate) tri(sulfuric acid) dihydrate				n.a.

**Mixture Thermal Conductivities (MTCN)**
DDB#	Name	174	4966	1002209	1002211	Potassium hydrogen sulfate mono(sulfuric acid)
148	Sulfuric acid	7	n.a.	n.a.	n.a.
174	Water		12	n.a.	n.a.
4966	Potassium sulfate			n.a.	n.a.
1002209	Tetra(potassium hydrogen sulfate) tri(sulfuric acid) dihydrate				n.a.

**Mixture Dielectric Constants (MDEC)**
DDB#	Name	174	4966	1002209	1002211	Potassium hydrogen sulfate mono(sulfuric acid)
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.
1002209	Tetra(potassium hydrogen sulfate) tri(sulfuric acid) dihydrate				n.a.

**Mixture P-v-T Data (MPVT)**
DDB#	Name	174	4966	1002209	1002211	Potassium hydrogen sulfate mono(sulfuric acid)
148	Sulfuric acid	3	n.a.	n.a.	n.a.
174	Water		47	n.a.	n.a.
4966	Potassium sulfate			n.a.	n.a.
1002209	Tetra(potassium hydrogen sulfate) tri(sulfuric acid) dihydrate				n.a.

**Electrical Conductivities (ECND)**
DDB#	Name	174	4966	1002209	1002211	Potassium hydrogen sulfate mono(sulfuric acid)
148	Sulfuric acid	26	n.a.	n.a.	n.a.
174	Water		17	n.a.	n.a.
4966	Potassium sulfate			n.a.	n.a.
1002209	Tetra(potassium hydrogen sulfate) tri(sulfuric acid) dihydrate				n.a.

**Diffusion Coefficients (DIF)**
DDB#	Name	174	4966	1002209	1002211	Potassium hydrogen sulfate mono(sulfuric acid)
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.
1002209	Tetra(potassium hydrogen sulfate) tri(sulfuric acid) dihydrate				n.a.

**Further Thermodynamic Properties (X)**
DDB#	Name	174	4966	1002209	1002211	Potassium hydrogen sulfate mono(sulfuric acid)
148	Sulfuric acid	50	n.a.	n.a.	n.a.
174	Water		18	n.a.	n.a.
4966	Potassium sulfate			n.a.	n.a.
1002209	Tetra(potassium hydrogen sulfate) tri(sulfuric acid) dihydrate				n.a.

**Total**
DDB#	Name	174	4966	1002209	1002211	Potassium hydrogen sulfate mono(sulfuric acid)
148	Sulfuric acid	617	6	n.a.	n.a.
174	Water		616	n.a.	n.a.
4966	Potassium sulfate			n.a.	n.a.
1002209	Tetra(potassium hydrogen sulfate) tri(sulfuric acid) dihydrate				n.a.

Dortmund Data Bank Version: February 2024

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