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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
145 Nitric acid 7697-37-2 HNO3 Overview Details
148 Sulfuric acid 7664-93-9 H2O4S Overview Details
7681 Disulfuric acid 7783-05-3 H2O7S2 Overview Details
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Mixture Data

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Vapor-Liquid Equilibria (VLE)
DDB# Name 148 7681 Disulfuric acid
145 Nitric acid 4 n.a.
148 Sulfuric acid n.a.

Heats of Mixing (HE)
DDB# Name 148 7681 Disulfuric acid
145 Nitric acid 1 n.a.
148 Sulfuric acid n.a.

(A)zeotropic Data (AZD)
DDB# Name 148 7681 Disulfuric acid
145 Nitric acid 1 n.a.
148 Sulfuric acid n.a.

Solid-Liquid Equilibria (SLE)
DDB# Name 148 7681 Disulfuric acid
145 Nitric acid 5 1
148 Sulfuric acid 5

Densities and Volumes of Mixtures, Excess Volumes (VE)
DDB# Name 148 7681 Disulfuric acid
145 Nitric acid 15 n.a.
148 Sulfuric acid 2

Mixture Viscosities (VIS)
DDB# Name 148 7681 Disulfuric acid
145 Nitric acid 1 n.a.
148 Sulfuric acid 1

Electrical Conductivities (ECND)
DDB# Name 148 7681 Disulfuric acid
145 Nitric acid 1 1
148 Sulfuric acid 2

Further Thermodynamic Properties (X)
DDB# Name 148 7681 Disulfuric acid
145 Nitric acid 2 n.a.
148 Sulfuric acid n.a.

Total
DDB# Name 148 7681 Disulfuric acid
145 Nitric acid 30 2
148 Sulfuric acid 10

Dortmund Data Bank Version: February 2024
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