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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
174	Water	7732-18-5	H₂O	Overview	Details
2018	Sulfur trioxide	7446-11-9	O₃S	Overview	Details
5287	Boric oxide	1303-86-2	B₂O₃	Overview	Details
6325	Ammonium sulfate	7783-20-2	H₈N₂O₄S	Overview	Details

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Mixture Data

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**Vapor-Liquid Equilibria (VLE)**
DDB#	Name	2018	5287	6325	Ammonium sulfate
174	Water	40	n.a.	n.a.
2018	Sulfur trioxide		n.a.	n.a.
5287	Boric oxide			n.a.

**Heats of Mixing (HE)**
DDB#	Name	2018	5287	6325	Ammonium sulfate
174	Water	1	n.a.	n.a.
2018	Sulfur trioxide		n.a.	n.a.
5287	Boric oxide			n.a.

**Heat Capacities of Mixtures, Excess Heat Capacities (CPE)**
DDB#	Name	2018	5287	6325	Ammonium sulfate
174	Water	2	n.a.	n.a.
2018	Sulfur trioxide		n.a.	n.a.
5287	Boric oxide			n.a.

**Solid-Liquid Equilibria (SLE)**
DDB#	Name	2018	5287	6325	Ammonium sulfate
174	Water	15	13	2
2018	Sulfur trioxide		n.a.	n.a.
5287	Boric oxide			n.a.

**Vapor-Liquid Equilibria of Electrolyte Systems (ELE)**
DDB#	Name	2018	5287	6325	Ammonium sulfate
174	Water	n.a.	n.a.	20
2018	Sulfur trioxide		n.a.	n.a.
5287	Boric oxide			n.a.

**Densities and Volumes of Mixtures, Excess Volumes (VE)**
DDB#	Name	2018	5287	6325	Ammonium sulfate
174	Water	6	2	40
2018	Sulfur trioxide		n.a.	n.a.
5287	Boric oxide			n.a.

**Salt Solubilities (ESLE)**
DDB#	Name	2018	5287	6325	Ammonium sulfate
174	Water	n.a.	n.a.	184
2018	Sulfur trioxide		n.a.	n.a.
5287	Boric oxide			n.a.

**Critical Data of Mixtures (CRI)**
DDB#	Name	2018	5287	6325	Ammonium sulfate
174	Water	1	n.a.	1
2018	Sulfur trioxide		n.a.	n.a.
5287	Boric oxide			n.a.

**Mixture Viscosities (VIS)**
DDB#	Name	2018	5287	6325	Ammonium sulfate
174	Water	n.a.	n.a.	23
2018	Sulfur trioxide		n.a.	n.a.
5287	Boric oxide			n.a.

**Mixture Surface Tensions (MSFT)**
DDB#	Name	2018	5287	6325	Ammonium sulfate
174	Water	n.a.	n.a.	10
2018	Sulfur trioxide		n.a.	n.a.
5287	Boric oxide			n.a.

**Mixture Speeds of Sound (MSOS)**
DDB#	Name	2018	5287	6325	Ammonium sulfate
174	Water	n.a.	n.a.	9
2018	Sulfur trioxide		n.a.	n.a.
5287	Boric oxide			n.a.

**Mixture Thermal Conductivities (MTCN)**
DDB#	Name	2018	5287	6325	Ammonium sulfate
174	Water	n.a.	n.a.	8
2018	Sulfur trioxide		n.a.	n.a.
5287	Boric oxide			n.a.

**Mixture P-v-T Data (MPVT)**
DDB#	Name	2018	5287	6325	Ammonium sulfate
174	Water	n.a.	n.a.	1
2018	Sulfur trioxide		n.a.	n.a.
5287	Boric oxide			n.a.

**Electrical Conductivities (ECND)**
DDB#	Name	2018	5287	6325	Ammonium sulfate
174	Water	n.a.	n.a.	15
2018	Sulfur trioxide		n.a.	n.a.
5287	Boric oxide			n.a.

**Diffusion Coefficients (DIF)**
DDB#	Name	2018	5287	6325	Ammonium sulfate
174	Water	n.a.	n.a.	1
2018	Sulfur trioxide		n.a.	n.a.
5287	Boric oxide			n.a.

**Further Thermodynamic Properties (X)**
DDB#	Name	2018	5287	6325	Ammonium sulfate
174	Water	n.a.	1	15
2018	Sulfur trioxide		n.a.	n.a.
5287	Boric oxide			n.a.

**Total**
DDB#	Name	2018	5287	6325	Ammonium sulfate
174	Water	65	16	329
2018	Sulfur trioxide		n.a.	n.a.
5287	Boric oxide			n.a.

Dortmund Data Bank Version: February 2024

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