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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
2018 Sulfur trioxide 7446-11-9 O3S Overview Details
24287 Hafnium(IV) hydroxide H4HfO4 Overview Details
1005464 Hafnyl hydrogensulfate monohydrate HfO(HSO4)2*H2O Overview Details
1005465 Hafnyl hydrogensulfate dihydrate HfO(HSO4)2*2H2O Overview Details
1005466 Hafnium(IV) hydroxy trihydrogensulfate
dihydrate
Hf(OH)(HSO4)3*2H2O Overview Details
1005467 Hafnium(IV) hydrogensulfate dihydrate Hf(HSO4)4*2H2O Overview Details
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Mixture Data

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Vapor-Liquid Equilibria (VLE)
DDB# Name 2018 24287 1005464 1005465 1005466 1005467 Hafnium(IV) hydrogensulfate dihydrate
174 Water 40 n.a. n.a. n.a. n.a. n.a.
2018 Sulfur trioxide n.a. n.a. n.a. n.a. n.a.
24287 Hafnium(IV) hydroxide n.a. n.a. n.a. n.a.
1005464 Hafnyl hydrogensulfate monohydrate n.a. n.a. n.a.
1005465 Hafnyl hydrogensulfate dihydrate n.a. n.a.
1005466 Hafnium(IV) hydroxy trihydrogensulfate dihydrate n.a.

Heats of Mixing (HE)
DDB# Name 2018 24287 1005464 1005465 1005466 1005467 Hafnium(IV) hydrogensulfate dihydrate
174 Water 1 n.a. n.a. n.a. n.a. n.a.
2018 Sulfur trioxide n.a. n.a. n.a. n.a. n.a.
24287 Hafnium(IV) hydroxide n.a. n.a. n.a. n.a.
1005464 Hafnyl hydrogensulfate monohydrate n.a. n.a. n.a.
1005465 Hafnyl hydrogensulfate dihydrate n.a. n.a.
1005466 Hafnium(IV) hydroxy trihydrogensulfate dihydrate n.a.

Heat Capacities of Mixtures, Excess Heat Capacities (CPE)
DDB# Name 2018 24287 1005464 1005465 1005466 1005467 Hafnium(IV) hydrogensulfate dihydrate
174 Water 2 n.a. n.a. n.a. n.a. n.a.
2018 Sulfur trioxide n.a. n.a. n.a. n.a. n.a.
24287 Hafnium(IV) hydroxide n.a. n.a. n.a. n.a.
1005464 Hafnyl hydrogensulfate monohydrate n.a. n.a. n.a.
1005465 Hafnyl hydrogensulfate dihydrate n.a. n.a.
1005466 Hafnium(IV) hydroxy trihydrogensulfate dihydrate n.a.

Solid-Liquid Equilibria (SLE)
DDB# Name 2018 24287 1005464 1005465 1005466 1005467 Hafnium(IV) hydrogensulfate dihydrate
174 Water 15 n.a. n.a. n.a. n.a. n.a.
2018 Sulfur trioxide n.a. n.a. n.a. n.a. n.a.
24287 Hafnium(IV) hydroxide n.a. n.a. n.a. n.a.
1005464 Hafnyl hydrogensulfate monohydrate n.a. n.a. n.a.
1005465 Hafnyl hydrogensulfate dihydrate n.a. n.a.
1005466 Hafnium(IV) hydroxy trihydrogensulfate dihydrate n.a.

Densities and Volumes of Mixtures, Excess Volumes (VE)
DDB# Name 2018 24287 1005464 1005465 1005466 1005467 Hafnium(IV) hydrogensulfate dihydrate
174 Water 6 n.a. n.a. n.a. n.a. n.a.
2018 Sulfur trioxide n.a. n.a. n.a. n.a. n.a.
24287 Hafnium(IV) hydroxide n.a. n.a. n.a. n.a.
1005464 Hafnyl hydrogensulfate monohydrate n.a. n.a. n.a.
1005465 Hafnyl hydrogensulfate dihydrate n.a. n.a.
1005466 Hafnium(IV) hydroxy trihydrogensulfate dihydrate n.a.

Critical Data of Mixtures (CRI)
DDB# Name 2018 24287 1005464 1005465 1005466 1005467 Hafnium(IV) hydrogensulfate dihydrate
174 Water 1 n.a. n.a. n.a. n.a. n.a.
2018 Sulfur trioxide n.a. n.a. n.a. n.a. n.a.
24287 Hafnium(IV) hydroxide n.a. n.a. n.a. n.a.
1005464 Hafnyl hydrogensulfate monohydrate n.a. n.a. n.a.
1005465 Hafnyl hydrogensulfate dihydrate n.a. n.a.
1005466 Hafnium(IV) hydroxy trihydrogensulfate dihydrate n.a.

Total
DDB# Name 2018 24287 1005464 1005465 1005466 1005467 Hafnium(IV) hydrogensulfate dihydrate
174 Water 65 n.a. n.a. n.a. n.a. n.a.
2018 Sulfur trioxide n.a. n.a. n.a. n.a. n.a.
24287 Hafnium(IV) hydroxide n.a. n.a. n.a. n.a.
1005464 Hafnyl hydrogensulfate monohydrate n.a. n.a. n.a.
1005465 Hafnyl hydrogensulfate dihydrate n.a. n.a.
1005466 Hafnium(IV) hydroxy trihydrogensulfate dihydrate n.a.

Dortmund Data Bank Version: February 2024
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