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Dortmund Data Bank Thermophysical Data for Process Design Contact: ☎ +49 441 361819 0 or ✉ info@ddbst.com

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DDB#	Name	CAS-RN	Formula
4658	Potassium	7440-09-7	K	Overview

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Pure Component Data

Property	Points	Sets	Temperature Range	States	Sets
Critical Data	3	3	(hidden)	Critical Point	3
Density	508	29	273-2111 K	Liquid	18
				Gas/Vapor	5
				Solid	3
				Liquid Phase of VLE	2
				Further States	1
Enthalpy (H-H0)	13	1	411-1316 K	Solid	1
Entropy	1	1	298-298 K	Gas/Vapor	1
G-function	30	1	50-2500 K	Gas/Vapor	1
Heat of Vaporization	14	1	815-1315 K	Vapor-Liquid	1
Ideal Gas Heat Capacity	30	1	50-2500 K	Ideal Gas	1
Melting Point	57	10	(hidden)	Solid-Liquid	10
Molar Heat Capacity (cP)	126	7	69-1100 K	Liquid	3
				Solid	3
				Gas/Vapor	1
Speed of Sound	16	5	337-1073 K	Liquid	3
				Liquid Phase of SLE	2
Surface Tension	149	7	337-1400 K	Liquid	7
Thermal Conductivity	287	20	337-1700 K	Gas/Vapor	16
				Liquid	4
Triple Point	1	1	(hidden)	Solid-Liquid-Vapor	1
Vapor Pressure	824	33	332-2198 K	Vapor-Liquid	33
Viscosity (Dynamic)	142	21	337-1500 K	Gas/Vapor	16
				Liquid	5
Viscosity (Kinematic)	68	2	373-1470 K	Liquid	2

Pure Component Properties Data Bank Information Page

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