Solubility of Oxygen in Aqueous Solutions of Fe(III) Complexes of <i>trans</i>-1,2-Cyclohexanediaminetetraacetic Acid (CDTA) as a Function of Temperature and Chelate Concentration
Why this work is in the frame
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Bibliographic record
Abstract
The utilization of ferric chelates for the oxidation of the total reduced sulfurs quartet (H 2 S, CH 3 SH, CH 3 SCH 3, CH 3 S 2 CH 3 ) is one of the various approaches to mitigate the emission of these airborne pollutants from Kraft pulp-mills' effluents. Oxygen solubility in iron chelate solutions is one important parameter in designing and modeling the regeneration process from ferrous to ferric chelates. Because of the interfering oxidation occurring in Fe(II) chelate solutions, the solubility of oxygen in aqueous solutions in which the gas does not react (Fe(III) complexes of trans -1,2-cyclohexanediaminetetraacetic acid (CDTA)) was studied at pressures near atmospheric pressure and temperatures from (293 to 313) K. New experimental solubility results over a chelate concentration ranging from (38 to 124) mol·m -3 and pH values of 3 and 7.5 are reported. From the Henry's law constants and their variation with temperature, the standard thermodynamic solution properties of oxygen in these solutions were obtained.
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Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it