Vacuum-jacketed hydrofluoric acid solution calorimeter
Review of Scientific Instruments
By: R. A. Robie
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Abstract
A vacuum‐jacketed metal calorimeter for determining heats of solution in aqueous HF was constructed. The reaction vessel was made of copper and was heavily gold plated. The calorimeter has a cooling constant of 0.6 cal‐deg−1‐min−1, approximately ¼ that of the air‐jacketed calorimeters most commonly used with HF. It reaches equilibrium within 10 min after turning off the heater current. Measurements of the heat of solution of reagent grade KCl(−100 mesh dried 2 h at 200°C) at a mole ratio of 1 KCl to 200 H2O gave ΔH = 4198±11 cal at 25°C.
Suggested Citation
Robie, R.A., 1965, Vacuum-jacketed hydrofluoric acid solution calorimeter: Review of Scientific Instruments, v. 36, no. 4, p. 484-486, https://doi.org/10.1063/1.1719605.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Vacuum-jacketed hydrofluoric acid solution calorimeter |
| Series title | Review of Scientific Instruments |
| DOI | 10.1063/1.1719605 |
| Volume | 36 |
| Issue | 4 |
| Year Published | 1965 |
| Language | English |
| Publisher | AIP |
| Description | 3 p. |
| First page | 484 |
| Last page | 486 |