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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
90	Hydrogen fluoride	7664-39-3	HF	Overview	Details
174	Water	7732-18-5	H₂O	Overview	Details
6307	Sodium fluoride	7681-49-4	FNa	Overview	Details
18112	Sodium hexafluorosilicate	16893-85-9	F₆Na₂Si	Overview	Details
27080	Sodium hydrogen fluoride		HF₂Na	Overview	Details

Search for mixtures containing this mixture as subsystem

Mixture Data

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**Vapor-Liquid Equilibria (VLE)**
DDB#	Name	174	6307	18112	27080	Sodium hydrogen fluoride
90	Hydrogen fluoride	23	n.a.	n.a.	n.a.
174	Water		n.a.	n.a.	n.a.
6307	Sodium fluoride			n.a.	n.a.
18112	Sodium hexafluorosilicate				n.a.

**Gas Solubilities (GLE)**
DDB#	Name	174	6307	18112	27080	Sodium hydrogen fluoride
90	Hydrogen fluoride	6	n.a.	n.a.	n.a.
174	Water		n.a.	n.a.	n.a.
6307	Sodium fluoride			n.a.	n.a.
18112	Sodium hexafluorosilicate				n.a.

**Liquid-Liquid Equilibria (Miscibility Gaps) (LLE)**
DDB#	Name	174	6307	18112	27080	Sodium hydrogen fluoride
90	Hydrogen fluoride	n.a.	n.a.	n.a.	n.a.
174	Water		1	n.a.	n.a.
6307	Sodium fluoride			n.a.	n.a.
18112	Sodium hexafluorosilicate				n.a.

**Heat Capacities of Mixtures, Excess Heat Capacities (CPE)**
DDB#	Name	174	6307	18112	27080	Sodium hydrogen fluoride
90	Hydrogen fluoride	3	n.a.	n.a.	n.a.
174	Water		n.a.	n.a.	n.a.
6307	Sodium fluoride			n.a.	n.a.
18112	Sodium hexafluorosilicate				n.a.

**(A)zeotropic Data (AZD)**
DDB#	Name	174	6307	18112	27080	Sodium hydrogen fluoride
90	Hydrogen fluoride	24	n.a.	n.a.	n.a.
174	Water		n.a.	n.a.	n.a.
6307	Sodium fluoride			n.a.	n.a.
18112	Sodium hexafluorosilicate				n.a.

**Solid-Liquid Equilibria (SLE)**
DDB#	Name	174	6307	18112	27080	Sodium hydrogen fluoride
90	Hydrogen fluoride	6	7	n.a.	n.a.
174	Water		n.a.	n.a.	n.a.
6307	Sodium fluoride			n.a.	n.a.
18112	Sodium hexafluorosilicate				n.a.

**Vapor-Liquid Equilibria of Electrolyte Systems (ELE)**
DDB#	Name	174	6307	18112	27080	Sodium hydrogen fluoride
90	Hydrogen fluoride	5	n.a.	n.a.	n.a.
174	Water		31	2	n.a.
6307	Sodium fluoride			n.a.	n.a.
18112	Sodium hexafluorosilicate				n.a.

**Densities and Volumes of Mixtures, Excess Volumes (VE)**
DDB#	Name	174	6307	18112	27080	Sodium hydrogen fluoride
90	Hydrogen fluoride	4	n.a.	n.a.	n.a.
174	Water		22	n.a.	n.a.
6307	Sodium fluoride			n.a.	n.a.
18112	Sodium hexafluorosilicate				n.a.

**Salt Solubilities (ESLE)**
DDB#	Name	174	6307	18112	27080	Sodium hydrogen fluoride
90	Hydrogen fluoride	n.a.	1	n.a.	n.a.
174	Water		46	11	1
6307	Sodium fluoride			n.a.	n.a.
18112	Sodium hexafluorosilicate				n.a.

**Mixture Viscosities (VIS)**
DDB#	Name	174	6307	18112	27080	Sodium hydrogen fluoride
90	Hydrogen fluoride	n.a.	n.a.	n.a.	n.a.
174	Water		8	n.a.	n.a.
6307	Sodium fluoride			n.a.	n.a.
18112	Sodium hexafluorosilicate				n.a.

**Mixture Surface Tensions (MSFT)**
DDB#	Name	174	6307	18112	27080	Sodium hydrogen fluoride
90	Hydrogen fluoride	n.a.	n.a.	n.a.	n.a.
174	Water		1	n.a.	n.a.
6307	Sodium fluoride			n.a.	n.a.
18112	Sodium hexafluorosilicate				n.a.

**Mixture Speeds of Sound (MSOS)**
DDB#	Name	174	6307	18112	27080	Sodium hydrogen fluoride
90	Hydrogen fluoride	n.a.	n.a.	n.a.	n.a.
174	Water		4	n.a.	n.a.
6307	Sodium fluoride			n.a.	n.a.
18112	Sodium hexafluorosilicate				n.a.

**Mixture Thermal Conductivities (MTCN)**
DDB#	Name	174	6307	18112	27080	Sodium hydrogen fluoride
90	Hydrogen fluoride	n.a.	n.a.	n.a.	n.a.
174	Water		2	n.a.	n.a.
6307	Sodium fluoride			n.a.	n.a.
18112	Sodium hexafluorosilicate				n.a.

**Mixture Dielectric Constants (MDEC)**
DDB#	Name	174	6307	18112	27080	Sodium hydrogen fluoride
90	Hydrogen fluoride	n.a.	n.a.	n.a.	n.a.
174	Water		5	n.a.	n.a.
6307	Sodium fluoride			n.a.	n.a.
18112	Sodium hexafluorosilicate				n.a.

**Electrical Conductivities (ECND)**
DDB#	Name	174	6307	18112	27080	Sodium hydrogen fluoride
90	Hydrogen fluoride	n.a.	n.a.	n.a.	n.a.
174	Water		4	n.a.	n.a.
6307	Sodium fluoride			n.a.	n.a.
18112	Sodium hexafluorosilicate				n.a.

**Diffusion Coefficients (DIF)**
DDB#	Name	174	6307	18112	27080	Sodium hydrogen fluoride
90	Hydrogen fluoride	n.a.	n.a.	n.a.	n.a.
174	Water		2	n.a.	n.a.
6307	Sodium fluoride			n.a.	n.a.
18112	Sodium hexafluorosilicate				n.a.

**Further Thermodynamic Properties (X)**
DDB#	Name	174	6307	18112	27080	Sodium hydrogen fluoride
90	Hydrogen fluoride	6	n.a.	n.a.	n.a.
174	Water		40	n.a.	n.a.
6307	Sodium fluoride			n.a.	n.a.
18112	Sodium hexafluorosilicate				n.a.

**Total**
DDB#	Name	174	6307	18112	27080	Sodium hydrogen fluoride
90	Hydrogen fluoride	77	8	n.a.	n.a.
174	Water		166	13	1
6307	Sodium fluoride			n.a.	n.a.
18112	Sodium hexafluorosilicate				n.a.

Dortmund Data Bank Version: February 2024

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