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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
1051	Methane	74-82-8	CH₄	Overview	Details
1056	Nitrogen	7727-37-9	N₂	Overview	Details
1058	Argon	7440-37-1	Ar	Overview	Details
1063	Hydrogen	1333-74-0	H₂	Overview	Details
1292	Helium	7440-59-7	He	Overview	Details

Search for mixtures containing this mixture as subsystem

Mixture Data

Number of available sets is shown

**Vapor-Liquid Equilibria (VLE)**
DDB#	Name	1056	1058	1063	1292	Helium
1051	Methane	140	40	77	99
1056	Nitrogen		62	57	116
1058	Argon			32	61
1063	Hydrogen				103

**Heats of Mixing (HE)**
DDB#	Name	1056	1058	1063	1292	Helium
1051	Methane	50	57	23	n.a.
1056	Nitrogen		80	270	n.a.
1058	Argon			175	1
1063	Hydrogen				n.a.

**Gas Solubilities (GLE)**
DDB#	Name	1056	1058	1063	1292	Helium
1051	Methane	n.a.	n.a.	3	n.a.
1056	Nitrogen		n.a.	n.a.	n.a.
1058	Argon			7	n.a.
1063	Hydrogen				n.a.

**Heat Capacities of Mixtures, Excess Heat Capacities (CPE)**
DDB#	Name	1056	1058	1063	1292	Helium
1051	Methane	4	n.a.	n.a.	n.a.
1056	Nitrogen		n.a.	n.a.	n.a.
1058	Argon			n.a.	n.a.
1063	Hydrogen				n.a.

**(A)zeotropic Data (AZD)**
DDB#	Name	1056	1058	1063	1292	Helium
1051	Methane	58	27	22	n.a.
1056	Nitrogen		28	9	32
1058	Argon			7	n.a.
1063	Hydrogen				11

**Solid-Liquid Equilibria (SLE)**
DDB#	Name	1056	1058	1063	1292	Helium
1051	Methane	8	6	11	n.a.
1056	Nitrogen		5	1	n.a.
1058	Argon			n.a.	n.a.
1063	Hydrogen				2

**Densities and Volumes of Mixtures, Excess Volumes (VE)**
DDB#	Name	1056	1058	1063	1292	Helium
1051	Methane	71	106	n.a.	n.a.
1056	Nitrogen		28	43	26
1058	Argon			40	n.a.
1063	Hydrogen				n.a.

**Critical Data of Mixtures (CRI)**
DDB#	Name	1056	1058	1063	1292	Helium
1051	Methane	6	1	4	n.a.
1056	Nitrogen		1	4	4
1058	Argon			n.a.	2
1063	Hydrogen				1

**Mixture Viscosities (VIS)**
DDB#	Name	1056	1058	1063	1292	Helium
1051	Methane	55	8	54	4
1056	Nitrogen		34	27	31
1058	Argon			16	69
1063	Hydrogen				22

**Mixture Surface Tensions (MSFT)**
DDB#	Name	1056	1058	1063	1292	Helium
1051	Methane	15	5	10	9
1056	Nitrogen		7	n.a.	6
1058	Argon			4	6
1063	Hydrogen				n.a.

**Mixture Speeds of Sound (MSOS)**
DDB#	Name	1056	1058	1063	1292	Helium
1051	Methane	6	5	13	10
1056	Nitrogen		1	20	4
1058	Argon			3	6
1063	Hydrogen				1

**Mixture Thermal Conductivities (MTCN)**
DDB#	Name	1056	1058	1063	1292	Helium
1051	Methane	21	12	15	4
1056	Nitrogen		27	30	7
1058	Argon			10	46
1063	Hydrogen				36

**Mixture Dielectric Constants (MDEC)**
DDB#	Name	1056	1058	1063	1292	Helium
1051	Methane	16	20	n.a.	n.a.
1056	Nitrogen		1	n.a.	n.a.
1058	Argon			n.a.	n.a.
1063	Hydrogen				n.a.

**Mixture P-v-T Data (MPVT)**
DDB#	Name	1056	1058	1063	1292	Helium
1051	Methane	118	10	107	35
1056	Nitrogen		27	58	105
1058	Argon			21	15
1063	Hydrogen				2

**Diffusion Coefficients (DIF)**
DDB#	Name	1056	1058	1063	1292	Helium
1051	Methane	2	1	8	1
1056	Nitrogen		14	25	6
1058	Argon			6	10
1063	Hydrogen				10

**Further Thermodynamic Properties (X)**
DDB#	Name	1056	1058	1063	1292	Helium
1051	Methane	44	9	65	10
1056	Nitrogen		2	10	13
1058	Argon			2	16
1063	Hydrogen				n.a.

**Total**
DDB#	Name	1056	1058	1063	1292	Helium
1051	Methane	614	307	412	172
1056	Nitrogen		317	554	350
1058	Argon			323	232
1063	Hydrogen				188

Dortmund Data Bank Version: February 2024

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