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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
4128	Potassium hydroxide	1310-58-3	HKO	Overview	Details
4651	Niobium oxide	1313-96-8	Nb₂O₅	Overview	Details
1000970	Niobium oxide	1313-96-8	Nb₂O₅	Overview	Details
1002117	Potassium hexaniobate 7.5 hydrate		K₈Nb₆O₁₉*7.₅H₂O	Overview	Details

Search for mixtures containing this mixture as subsystem

Mixture Data

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**Vapor-Liquid Equilibria (VLE)**
DDB#	Name	4128	4651	1000970	1002117	Potassium hexaniobate 7.5 hydrate
174	Water	3	1	n.a.	n.a.
4128	Potassium hydroxide		n.a.	n.a.	n.a.
4651	Niobium oxide			n.a.	n.a.
4651	Niobium oxide				n.a.

**Heat Capacities of Mixtures, Excess Heat Capacities (CPE)**
DDB#	Name	4128	4651	1000970	1002117	Potassium hexaniobate 7.5 hydrate
174	Water	56	n.a.	n.a.	n.a.
4128	Potassium hydroxide		n.a.	n.a.	n.a.
4651	Niobium oxide			n.a.	n.a.
4651	Niobium oxide				n.a.

**Solid-Liquid Equilibria (SLE)**
DDB#	Name	4128	4651	1000970	1002117	Potassium hexaniobate 7.5 hydrate
174	Water	3	n.a.	n.a.	n.a.
4128	Potassium hydroxide		n.a.	n.a.	n.a.
4651	Niobium oxide			n.a.	n.a.
4651	Niobium oxide				n.a.

**Vapor-Liquid Equilibria of Electrolyte Systems (ELE)**
DDB#	Name	4128	4651	1000970	1002117	Potassium hexaniobate 7.5 hydrate
174	Water	43	n.a.	1	n.a.
4128	Potassium hydroxide		n.a.	n.a.	n.a.
4651	Niobium oxide			n.a.	n.a.
4651	Niobium oxide				n.a.

**Densities and Volumes of Mixtures, Excess Volumes (VE)**
DDB#	Name	4128	4651	1000970	1002117	Potassium hexaniobate 7.5 hydrate
174	Water	119	n.a.	n.a.	n.a.
4128	Potassium hydroxide		n.a.	n.a.	n.a.
4651	Niobium oxide			n.a.	n.a.
4651	Niobium oxide				n.a.

**Salt Solubilities (ESLE)**
DDB#	Name	4128	4651	1000970	1002117	Potassium hexaniobate 7.5 hydrate
174	Water	13	n.a.	n.a.	n.a.
4128	Potassium hydroxide		n.a.	n.a.	n.a.
4651	Niobium oxide			n.a.	n.a.
4651	Niobium oxide				n.a.

**Mixture Viscosities (VIS)**
DDB#	Name	4128	4651	1000970	1002117	Potassium hexaniobate 7.5 hydrate
174	Water	33	n.a.	n.a.	n.a.
4128	Potassium hydroxide		n.a.	n.a.	n.a.
4651	Niobium oxide			n.a.	n.a.
4651	Niobium oxide				n.a.

**Mixture Surface Tensions (MSFT)**
DDB#	Name	4128	4651	1000970	1002117	Potassium hexaniobate 7.5 hydrate
174	Water	8	n.a.	n.a.	n.a.
4128	Potassium hydroxide		n.a.	n.a.	n.a.
4651	Niobium oxide			n.a.	n.a.
4651	Niobium oxide				n.a.

**Mixture Speeds of Sound (MSOS)**
DDB#	Name	4128	4651	1000970	1002117	Potassium hexaniobate 7.5 hydrate
174	Water	9	n.a.	n.a.	n.a.
4128	Potassium hydroxide		n.a.	n.a.	n.a.
4651	Niobium oxide			n.a.	n.a.
4651	Niobium oxide				n.a.

**Mixture Thermal Conductivities (MTCN)**
DDB#	Name	4128	4651	1000970	1002117	Potassium hexaniobate 7.5 hydrate
174	Water	9	n.a.	n.a.	n.a.
4128	Potassium hydroxide		n.a.	n.a.	n.a.
4651	Niobium oxide			n.a.	n.a.
4651	Niobium oxide				n.a.

**Mixture Dielectric Constants (MDEC)**
DDB#	Name	4128	4651	1000970	1002117	Potassium hexaniobate 7.5 hydrate
174	Water	20	n.a.	n.a.	n.a.
4128	Potassium hydroxide		n.a.	n.a.	n.a.
4651	Niobium oxide			n.a.	n.a.
4651	Niobium oxide				n.a.

**Mixture P-v-T Data (MPVT)**
DDB#	Name	4128	4651	1000970	1002117	Potassium hexaniobate 7.5 hydrate
174	Water	1	n.a.	n.a.	n.a.
4128	Potassium hydroxide		n.a.	n.a.	n.a.
4651	Niobium oxide			n.a.	n.a.
4651	Niobium oxide				n.a.

**Electrical Conductivities (ECND)**
DDB#	Name	4128	4651	1000970	1002117	Potassium hexaniobate 7.5 hydrate
174	Water	32	n.a.	n.a.	n.a.
4128	Potassium hydroxide		n.a.	n.a.	n.a.
4651	Niobium oxide			n.a.	n.a.
4651	Niobium oxide				n.a.

**Diffusion Coefficients (DIF)**
DDB#	Name	4128	4651	1000970	1002117	Potassium hexaniobate 7.5 hydrate
174	Water	3	n.a.	n.a.	n.a.
4128	Potassium hydroxide		n.a.	n.a.	n.a.
4651	Niobium oxide			n.a.	n.a.
4651	Niobium oxide				n.a.

**Further Thermodynamic Properties (X)**
DDB#	Name	4128	4651	1000970	1002117	Potassium hexaniobate 7.5 hydrate
174	Water	23	n.a.	n.a.	n.a.
4128	Potassium hydroxide		n.a.	n.a.	n.a.
4651	Niobium oxide			n.a.	n.a.
4651	Niobium oxide				n.a.

**Total**
DDB#	Name	4128	4651	1000970	1002117	Potassium hexaniobate 7.5 hydrate
174	Water	375	1	1	n.a.
4128	Potassium hydroxide		n.a.	n.a.	n.a.
4651	Niobium oxide			n.a.	n.a.
4651	Niobium oxide				n.a.

Dortmund Data Bank Version: February 2024

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