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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
148	Sulfuric acid	7664-93-9	H₂O₄S	Overview	Details
174	Water	7732-18-5	H₂O	Overview	Details
6324	Ammonium thiocyanate	1762-95-4	CH₄N₂S	Overview	Details
6325	Ammonium sulfate	7783-20-2	H₈N₂O₄S	Overview	Details
3000002	poly(ethylene glycol)		(C₂H₄O)n	Overview	Details

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Mixture Data

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**Vapor-Liquid Equilibria (VLE)**
DDB#	Name	174	6324	6325	3000002	poly(ethylene glycol)
148	Sulfuric acid	150	n.a.	n.a.	n.a.
174	Water		n.a.	n.a.	n.a.
6324	Ammonium thiocyanate			n.a.	n.a.
6325	Ammonium sulfate				n.a.

**Heats of Mixing (HE)**
DDB#	Name	174	6324	6325	3000002	poly(ethylene glycol)
148	Sulfuric acid	3	n.a.	n.a.	n.a.
174	Water		n.a.	n.a.	n.a.
6324	Ammonium thiocyanate			n.a.	n.a.
6325	Ammonium sulfate				n.a.

**Heat Capacities of Mixtures, Excess Heat Capacities (CPE)**
DDB#	Name	174	6324	6325	3000002	poly(ethylene glycol)
148	Sulfuric acid	22	n.a.	n.a.	n.a.
174	Water		n.a.	n.a.	n.a.
6324	Ammonium thiocyanate			n.a.	n.a.
6325	Ammonium sulfate				n.a.

**(A)zeotropic Data (AZD)**
DDB#	Name	174	6324	6325	3000002	poly(ethylene glycol)
148	Sulfuric acid	41	n.a.	n.a.	n.a.
174	Water		n.a.	n.a.	n.a.
6324	Ammonium thiocyanate			n.a.	n.a.
6325	Ammonium sulfate				n.a.

**Solid-Liquid Equilibria (SLE)**
DDB#	Name	174	6324	6325	3000002	poly(ethylene glycol)
148	Sulfuric acid	42	n.a.	4	n.a.
174	Water		1	2	n.a.
6324	Ammonium thiocyanate			n.a.	n.a.
6325	Ammonium sulfate				n.a.

**Vapor-Liquid Equilibria of Electrolyte Systems (ELE)**
DDB#	Name	174	6324	6325	3000002	poly(ethylene glycol)
148	Sulfuric acid	64	n.a.	n.a.	n.a.
174	Water		3	20	n.a.
6324	Ammonium thiocyanate			n.a.	n.a.
6325	Ammonium sulfate				n.a.

**Densities and Volumes of Mixtures, Excess Volumes (VE)**
DDB#	Name	174	6324	6325	3000002	poly(ethylene glycol)
148	Sulfuric acid	120	n.a.	n.a.	n.a.
174	Water		1	40	n.a.
6324	Ammonium thiocyanate			n.a.	n.a.
6325	Ammonium sulfate				n.a.

**Salt Solubilities (ESLE)**
DDB#	Name	174	6324	6325	3000002	poly(ethylene glycol)
148	Sulfuric acid	8	n.a.	n.a.	n.a.
174	Water		17	184	n.a.
6324	Ammonium thiocyanate			n.a.	n.a.
6325	Ammonium sulfate				n.a.

**Critical Data of Mixtures (CRI)**
DDB#	Name	174	6324	6325	3000002	poly(ethylene glycol)
148	Sulfuric acid	1	n.a.	n.a.	n.a.
174	Water		n.a.	1	n.a.
6324	Ammonium thiocyanate			n.a.	n.a.
6325	Ammonium sulfate				n.a.

**Thermodynamic Data for Polymer Systems (POLYMER)**
DDB#	Name	174	6324	6325	3000002	poly(ethylene glycol)
148	Sulfuric acid	n.a.	n.a.	n.a.	n.a.
174	Water		n.a.	n.a.	698
6324	Ammonium thiocyanate			n.a.	n.a.
6325	Ammonium sulfate				n.a.

**Mixture Viscosities (VIS)**
DDB#	Name	174	6324	6325	3000002	poly(ethylene glycol)
148	Sulfuric acid	50	n.a.	n.a.	n.a.
174	Water		n.a.	23	90
6324	Ammonium thiocyanate			n.a.	n.a.
6325	Ammonium sulfate				n.a.

**Mixture Surface Tensions (MSFT)**
DDB#	Name	174	6324	6325	3000002	poly(ethylene glycol)
148	Sulfuric acid	26	n.a.	n.a.	n.a.
174	Water		n.a.	10	n.a.
6324	Ammonium thiocyanate			n.a.	n.a.
6325	Ammonium sulfate				n.a.

**Mixture Speeds of Sound (MSOS)**
DDB#	Name	174	6324	6325	3000002	poly(ethylene glycol)
148	Sulfuric acid	1	n.a.	n.a.	n.a.
174	Water		n.a.	9	7
6324	Ammonium thiocyanate			n.a.	n.a.
6325	Ammonium sulfate				n.a.

**Mixture Thermal Conductivities (MTCN)**
DDB#	Name	174	6324	6325	3000002	poly(ethylene glycol)
148	Sulfuric acid	7	n.a.	n.a.	n.a.
174	Water		n.a.	8	n.a.
6324	Ammonium thiocyanate			n.a.	n.a.
6325	Ammonium sulfate				n.a.

**Mixture Dielectric Constants (MDEC)**
DDB#	Name	174	6324	6325	3000002	poly(ethylene glycol)
148	Sulfuric acid	3	n.a.	n.a.	n.a.
174	Water		3	n.a.	n.a.
6324	Ammonium thiocyanate			n.a.	n.a.
6325	Ammonium sulfate				n.a.

**Mixture P-v-T Data (MPVT)**
DDB#	Name	174	6324	6325	3000002	poly(ethylene glycol)
148	Sulfuric acid	3	n.a.	n.a.	n.a.
174	Water		n.a.	1	n.a.
6324	Ammonium thiocyanate			n.a.	n.a.
6325	Ammonium sulfate				n.a.

**Electrical Conductivities (ECND)**
DDB#	Name	174	6324	6325	3000002	poly(ethylene glycol)
148	Sulfuric acid	26	n.a.	n.a.	n.a.
174	Water		1	15	1
6324	Ammonium thiocyanate			n.a.	n.a.
6325	Ammonium sulfate				n.a.

**Diffusion Coefficients (DIF)**
DDB#	Name	174	6324	6325	3000002	poly(ethylene glycol)
148	Sulfuric acid	n.a.	n.a.	n.a.	n.a.
174	Water		n.a.	1	n.a.
6324	Ammonium thiocyanate			n.a.	n.a.
6325	Ammonium sulfate				n.a.

**Further Thermodynamic Properties (X)**
DDB#	Name	174	6324	6325	3000002	poly(ethylene glycol)
148	Sulfuric acid	50	n.a.	n.a.	n.a.
174	Water		n.a.	15	43
6324	Ammonium thiocyanate			n.a.	n.a.
6325	Ammonium sulfate				n.a.

**Total**
DDB#	Name	174	6324	6325	3000002	poly(ethylene glycol)
148	Sulfuric acid	617	n.a.	4	n.a.
174	Water		26	329	839
6324	Ammonium thiocyanate			n.a.	n.a.
6325	Ammonium sulfate				n.a.

Dortmund Data Bank Version: February 2024

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