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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
4651 Niobium oxide 1313-96-8 Nb2O5 Overview Details
18289 Ammonium Oxide 12161-77-2 H8N2O Overview Details
1010999 Triammonium niobium tetrasulfate (NH4)3Nb(SO4)4 Overview Details
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Mixture Data

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Vapor-Liquid Equilibria (VLE)
DDB# Name 2018 4651 18289 1010999 Triammonium niobium tetrasulfate
174 Water 40 1 n.a. n.a.
2018 Sulfur trioxide n.a. n.a. n.a.
4651 Niobium oxide n.a. n.a.
18289 Ammonium Oxide n.a.

Heats of Mixing (HE)
DDB# Name 2018 4651 18289 1010999 Triammonium niobium tetrasulfate
174 Water 1 n.a. n.a. n.a.
2018 Sulfur trioxide n.a. n.a. n.a.
4651 Niobium oxide n.a. n.a.
18289 Ammonium Oxide n.a.

Heat Capacities of Mixtures, Excess Heat Capacities (CPE)
DDB# Name 2018 4651 18289 1010999 Triammonium niobium tetrasulfate
174 Water 2 n.a. n.a. n.a.
2018 Sulfur trioxide n.a. n.a. n.a.
4651 Niobium oxide n.a. n.a.
18289 Ammonium Oxide n.a.

Solid-Liquid Equilibria (SLE)
DDB# Name 2018 4651 18289 1010999 Triammonium niobium tetrasulfate
174 Water 15 n.a. n.a. n.a.
2018 Sulfur trioxide n.a. n.a. n.a.
4651 Niobium oxide n.a. n.a.
18289 Ammonium Oxide n.a.

Densities and Volumes of Mixtures, Excess Volumes (VE)
DDB# Name 2018 4651 18289 1010999 Triammonium niobium tetrasulfate
174 Water 6 n.a. n.a. n.a.
2018 Sulfur trioxide n.a. n.a. n.a.
4651 Niobium oxide n.a. n.a.
18289 Ammonium Oxide n.a.

Critical Data of Mixtures (CRI)
DDB# Name 2018 4651 18289 1010999 Triammonium niobium tetrasulfate
174 Water 1 n.a. n.a. n.a.
2018 Sulfur trioxide n.a. n.a. n.a.
4651 Niobium oxide n.a. n.a.
18289 Ammonium Oxide n.a.

Total
DDB# Name 2018 4651 18289 1010999 Triammonium niobium tetrasulfate
174 Water 65 1 n.a. n.a.
2018 Sulfur trioxide n.a. n.a. n.a.
4651 Niobium oxide n.a. n.a.
18289 Ammonium Oxide n.a.

Dortmund Data Bank Version: February 2024
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