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Thermophysical Data for Process Design
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DDB#	Name	CAS-RN	Formula
174	Water	7732-18-5	H₂O	Overview	Details
3656	Boric acid	10043-35-3	H₃BO₃	Overview	Details
4128	Potassium hydroxide	1310-58-3	HKO	Overview	Details
1002916	Potassium pentaborate tetrahydrate		KB₅O₈*4H₂O	Overview	Details
1004275	Potassium tetraborate octahydrate		K₂B₄O₇*8H₂O	Overview	Details
1004417	Potassium diborate 2.5 hydrate		K₂(BO₂)₂*2.₅ H₂O	Overview	Details

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Mixture Data

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**Vapor-Liquid Equilibria (VLE)**
DDB#	Name	3656	4128	1002916	1004275	1004417	Potassium diborate 2.5 hydrate
174	Water	2	3	n.a.	n.a.	n.a.
3656	Boric acid		n.a.	n.a.	n.a.	n.a.
4128	Potassium hydroxide			n.a.	n.a.	n.a.
1002916	Potassium pentaborate tetrahydrate				n.a.	n.a.
1004275	Potassium tetraborate octahydrate					n.a.

**Heat Capacities of Mixtures, Excess Heat Capacities (CPE)**
DDB#	Name	3656	4128	1002916	1004275	1004417	Potassium diborate 2.5 hydrate
174	Water	n.a.	56	n.a.	n.a.	n.a.
3656	Boric acid		n.a.	n.a.	n.a.	n.a.
4128	Potassium hydroxide			n.a.	n.a.	n.a.
1002916	Potassium pentaborate tetrahydrate				n.a.	n.a.
1004275	Potassium tetraborate octahydrate					n.a.

**Solid-Liquid Equilibria (SLE)**
DDB#	Name	3656	4128	1002916	1004275	1004417	Potassium diborate 2.5 hydrate
174	Water	32	3	n.a.	n.a.	n.a.
3656	Boric acid		n.a.	n.a.	n.a.	n.a.
4128	Potassium hydroxide			n.a.	n.a.	n.a.
1002916	Potassium pentaborate tetrahydrate				n.a.	n.a.
1004275	Potassium tetraborate octahydrate					n.a.

**Vapor-Liquid Equilibria of Electrolyte Systems (ELE)**
DDB#	Name	3656	4128	1002916	1004275	1004417	Potassium diborate 2.5 hydrate
174	Water	7	43	n.a.	n.a.	n.a.
3656	Boric acid		n.a.	n.a.	n.a.	n.a.
4128	Potassium hydroxide			n.a.	n.a.	n.a.
1002916	Potassium pentaborate tetrahydrate				n.a.	n.a.
1004275	Potassium tetraborate octahydrate					n.a.

**Densities and Volumes of Mixtures, Excess Volumes (VE)**
DDB#	Name	3656	4128	1002916	1004275	1004417	Potassium diborate 2.5 hydrate
174	Water	86	119	n.a.	n.a.	n.a.
3656	Boric acid		n.a.	n.a.	n.a.	n.a.
4128	Potassium hydroxide			n.a.	n.a.	n.a.
1002916	Potassium pentaborate tetrahydrate				n.a.	n.a.
1004275	Potassium tetraborate octahydrate					n.a.

**Salt Solubilities (ESLE)**
DDB#	Name	3656	4128	1002916	1004275	1004417	Potassium diborate 2.5 hydrate
174	Water	60	13	n.a.	n.a.	n.a.
3656	Boric acid		n.a.	n.a.	n.a.	n.a.
4128	Potassium hydroxide			n.a.	n.a.	n.a.
1002916	Potassium pentaborate tetrahydrate				n.a.	n.a.
1004275	Potassium tetraborate octahydrate					n.a.

**Critical Data of Mixtures (CRI)**
DDB#	Name	3656	4128	1002916	1004275	1004417	Potassium diborate 2.5 hydrate
174	Water	1	n.a.	n.a.	n.a.	n.a.
3656	Boric acid		n.a.	n.a.	n.a.	n.a.
4128	Potassium hydroxide			n.a.	n.a.	n.a.
1002916	Potassium pentaborate tetrahydrate				n.a.	n.a.
1004275	Potassium tetraborate octahydrate					n.a.

**Mixture Viscosities (VIS)**
DDB#	Name	3656	4128	1002916	1004275	1004417	Potassium diborate 2.5 hydrate
174	Water	11	33	n.a.	n.a.	n.a.
3656	Boric acid		n.a.	n.a.	n.a.	n.a.
4128	Potassium hydroxide			n.a.	n.a.	n.a.
1002916	Potassium pentaborate tetrahydrate				n.a.	n.a.
1004275	Potassium tetraborate octahydrate					n.a.

**Mixture Surface Tensions (MSFT)**
DDB#	Name	3656	4128	1002916	1004275	1004417	Potassium diborate 2.5 hydrate
174	Water	n.a.	8	n.a.	n.a.	n.a.
3656	Boric acid		n.a.	n.a.	n.a.	n.a.
4128	Potassium hydroxide			n.a.	n.a.	n.a.
1002916	Potassium pentaborate tetrahydrate				n.a.	n.a.
1004275	Potassium tetraborate octahydrate					n.a.

**Mixture Speeds of Sound (MSOS)**
DDB#	Name	3656	4128	1002916	1004275	1004417	Potassium diborate 2.5 hydrate
174	Water	n.a.	9	n.a.	n.a.	n.a.
3656	Boric acid		n.a.	n.a.	n.a.	n.a.
4128	Potassium hydroxide			n.a.	n.a.	n.a.
1002916	Potassium pentaborate tetrahydrate				n.a.	n.a.
1004275	Potassium tetraborate octahydrate					n.a.

**Mixture Thermal Conductivities (MTCN)**
DDB#	Name	3656	4128	1002916	1004275	1004417	Potassium diborate 2.5 hydrate
174	Water	n.a.	9	n.a.	n.a.	n.a.
3656	Boric acid		n.a.	n.a.	n.a.	n.a.
4128	Potassium hydroxide			n.a.	n.a.	n.a.
1002916	Potassium pentaborate tetrahydrate				n.a.	n.a.
1004275	Potassium tetraborate octahydrate					n.a.

**Mixture Dielectric Constants (MDEC)**
DDB#	Name	3656	4128	1002916	1004275	1004417	Potassium diborate 2.5 hydrate
174	Water	11	20	n.a.	n.a.	n.a.
3656	Boric acid		n.a.	n.a.	n.a.	n.a.
4128	Potassium hydroxide			n.a.	n.a.	n.a.
1002916	Potassium pentaborate tetrahydrate				n.a.	n.a.
1004275	Potassium tetraborate octahydrate					n.a.

**Mixture P-v-T Data (MPVT)**
DDB#	Name	3656	4128	1002916	1004275	1004417	Potassium diborate 2.5 hydrate
174	Water	50	1	n.a.	n.a.	n.a.
3656	Boric acid		n.a.	n.a.	n.a.	n.a.
4128	Potassium hydroxide			n.a.	n.a.	n.a.
1002916	Potassium pentaborate tetrahydrate				n.a.	n.a.
1004275	Potassium tetraborate octahydrate					n.a.

**Electrical Conductivities (ECND)**
DDB#	Name	3656	4128	1002916	1004275	1004417	Potassium diborate 2.5 hydrate
174	Water	15	32	n.a.	n.a.	n.a.
3656	Boric acid		n.a.	n.a.	n.a.	n.a.
4128	Potassium hydroxide			n.a.	n.a.	n.a.
1002916	Potassium pentaborate tetrahydrate				n.a.	n.a.
1004275	Potassium tetraborate octahydrate					n.a.

**Diffusion Coefficients (DIF)**
DDB#	Name	3656	4128	1002916	1004275	1004417	Potassium diborate 2.5 hydrate
174	Water	n.a.	3	n.a.	n.a.	n.a.
3656	Boric acid		n.a.	n.a.	n.a.	n.a.
4128	Potassium hydroxide			n.a.	n.a.	n.a.
1002916	Potassium pentaborate tetrahydrate				n.a.	n.a.
1004275	Potassium tetraborate octahydrate					n.a.

**Further Thermodynamic Properties (X)**
DDB#	Name	3656	4128	1002916	1004275	1004417	Potassium diborate 2.5 hydrate
174	Water	13	23	n.a.	n.a.	n.a.
3656	Boric acid		n.a.	n.a.	n.a.	n.a.
4128	Potassium hydroxide			n.a.	n.a.	n.a.
1002916	Potassium pentaborate tetrahydrate				n.a.	n.a.
1004275	Potassium tetraborate octahydrate					n.a.

**Total**
DDB#	Name	3656	4128	1002916	1004275	1004417	Potassium diborate 2.5 hydrate
174	Water	288	375	n.a.	n.a.	n.a.
3656	Boric acid		n.a.	n.a.	n.a.	n.a.
4128	Potassium hydroxide			n.a.	n.a.	n.a.
1002916	Potassium pentaborate tetrahydrate				n.a.	n.a.
1004275	Potassium tetraborate octahydrate					n.a.

Dortmund Data Bank Version: February 2024

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