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Thermophysical Data for Process Design
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DDB#	Name	CAS-RN	Formula
90	Hydrogen fluoride	7664-39-3	HF	Overview	Details
174	Water	7732-18-5	H₂O	Overview	Details
4964	Potassium fluoride	7789-23-3	FK	Overview	Details
30231	Niobium pentafluoride	7783-68-8	F₅Nb	Overview	Details
1006515	Dipotassium oxopentafluoro niobate monohydrate		K₂NbOF₅*H₂O	Overview	Details

Search for mixtures containing this mixture as subsystem

Mixture Data

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**Vapor-Liquid Equilibria (VLE)**
DDB#	Name	174	4964	30231	1006515	Dipotassium oxopentafluoro niobate monohydrate
90	Hydrogen fluoride	23	1	n.a.	n.a.
174	Water		n.a.	n.a.	n.a.
4964	Potassium fluoride			n.a.	n.a.
30231	Niobium pentafluoride				n.a.

**Gas Solubilities (GLE)**
DDB#	Name	174	4964	30231	1006515	Dipotassium oxopentafluoro niobate monohydrate
90	Hydrogen fluoride	6	n.a.	n.a.	n.a.
174	Water		n.a.	n.a.	n.a.
4964	Potassium fluoride			n.a.	n.a.
30231	Niobium pentafluoride				n.a.

**Heat Capacities of Mixtures, Excess Heat Capacities (CPE)**
DDB#	Name	174	4964	30231	1006515	Dipotassium oxopentafluoro niobate monohydrate
90	Hydrogen fluoride	3	n.a.	n.a.	n.a.
174	Water		3	n.a.	n.a.
4964	Potassium fluoride			n.a.	n.a.
30231	Niobium pentafluoride				n.a.

**(A)zeotropic Data (AZD)**
DDB#	Name	174	4964	30231	1006515	Dipotassium oxopentafluoro niobate monohydrate
90	Hydrogen fluoride	24	n.a.	n.a.	n.a.
174	Water		n.a.	n.a.	n.a.
4964	Potassium fluoride			n.a.	n.a.
30231	Niobium pentafluoride				n.a.

**Solid-Liquid Equilibria (SLE)**
DDB#	Name	174	4964	30231	1006515	Dipotassium oxopentafluoro niobate monohydrate
90	Hydrogen fluoride	6	1	n.a.	n.a.
174	Water		n.a.	n.a.	n.a.
4964	Potassium fluoride			n.a.	n.a.
30231	Niobium pentafluoride				n.a.

**Vapor-Liquid Equilibria of Electrolyte Systems (ELE)**
DDB#	Name	174	4964	30231	1006515	Dipotassium oxopentafluoro niobate monohydrate
90	Hydrogen fluoride	5	n.a.	n.a.	n.a.
174	Water		83	n.a.	n.a.
4964	Potassium fluoride			n.a.	n.a.
30231	Niobium pentafluoride				n.a.

**Densities and Volumes of Mixtures, Excess Volumes (VE)**
DDB#	Name	174	4964	30231	1006515	Dipotassium oxopentafluoro niobate monohydrate
90	Hydrogen fluoride	4	25	n.a.	n.a.
174	Water		31	n.a.	n.a.
4964	Potassium fluoride			n.a.	n.a.
30231	Niobium pentafluoride				n.a.

**Salt Solubilities (ESLE)**
DDB#	Name	174	4964	30231	1006515	Dipotassium oxopentafluoro niobate monohydrate
90	Hydrogen fluoride	n.a.	2	n.a.	n.a.
174	Water		8	n.a.	n.a.
4964	Potassium fluoride			n.a.	n.a.
30231	Niobium pentafluoride				n.a.

**Mixture Viscosities (VIS)**
DDB#	Name	174	4964	30231	1006515	Dipotassium oxopentafluoro niobate monohydrate
90	Hydrogen fluoride	n.a.	10	n.a.	n.a.
174	Water		18	n.a.	n.a.
4964	Potassium fluoride			n.a.	n.a.
30231	Niobium pentafluoride				n.a.

**Mixture Surface Tensions (MSFT)**
DDB#	Name	174	4964	30231	1006515	Dipotassium oxopentafluoro niobate monohydrate
90	Hydrogen fluoride	n.a.	n.a.	n.a.	n.a.
174	Water		1	n.a.	n.a.
4964	Potassium fluoride			n.a.	n.a.
30231	Niobium pentafluoride				n.a.

**Mixture Speeds of Sound (MSOS)**
DDB#	Name	174	4964	30231	1006515	Dipotassium oxopentafluoro niobate monohydrate
90	Hydrogen fluoride	n.a.	n.a.	n.a.	n.a.
174	Water		7	n.a.	n.a.
4964	Potassium fluoride			n.a.	n.a.
30231	Niobium pentafluoride				n.a.

**Mixture Thermal Conductivities (MTCN)**
DDB#	Name	174	4964	30231	1006515	Dipotassium oxopentafluoro niobate monohydrate
90	Hydrogen fluoride	n.a.	n.a.	n.a.	n.a.
174	Water		6	n.a.	n.a.
4964	Potassium fluoride			n.a.	n.a.
30231	Niobium pentafluoride				n.a.

**Mixture Dielectric Constants (MDEC)**
DDB#	Name	174	4964	30231	1006515	Dipotassium oxopentafluoro niobate monohydrate
90	Hydrogen fluoride	n.a.	n.a.	n.a.	n.a.
174	Water		5	n.a.	n.a.
4964	Potassium fluoride			n.a.	n.a.
30231	Niobium pentafluoride				n.a.

**Electrical Conductivities (ECND)**
DDB#	Name	174	4964	30231	1006515	Dipotassium oxopentafluoro niobate monohydrate
90	Hydrogen fluoride	n.a.	n.a.	n.a.	n.a.
174	Water		2	n.a.	n.a.
4964	Potassium fluoride			n.a.	n.a.
30231	Niobium pentafluoride				n.a.

**Further Thermodynamic Properties (X)**
DDB#	Name	174	4964	30231	1006515	Dipotassium oxopentafluoro niobate monohydrate
90	Hydrogen fluoride	6	n.a.	n.a.	n.a.
174	Water		22	n.a.	n.a.
4964	Potassium fluoride			n.a.	n.a.
30231	Niobium pentafluoride				n.a.

**Total**
DDB#	Name	174	4964	30231	1006515	Dipotassium oxopentafluoro niobate monohydrate
90	Hydrogen fluoride	77	39	n.a.	n.a.
174	Water		186	n.a.	n.a.
4964	Potassium fluoride			n.a.	n.a.
30231	Niobium pentafluoride				n.a.

Dortmund Data Bank Version: February 2024

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