Effects of sweating temperature on the purification of phosphoric acid hemihydrate crystal in dry‐sweating process
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Bibliographic record
Abstract
Abstract In order to purify phosphoric acid hemihydrate (H 3 PO 4 ·0.5H 2 O) crystal further, the effects of sweating time and sweating temperature on purification are investigated in a dry‐sweating process. Experimental results indicate the content of Mg, As, Sb and Pb in the H 3 PO 4 ·0.5H 2 O crystal decreases with increasing sweating time and sweating temperature during sweating process and show the same tendency to decrease with time at different sweating temperatures. The purification rate coefficients of H 3 PO 4 ·0.5H 2 O crystals for Mg, As, Sb and Pb are determined. They increase with an increase in sweating temperature. The Arrhenius equation can be successfully used to describe the relationship between the purification rate coefficient and the absolute sweating temperature. The activation energy of sweating for Mg, As, Sb and Pb in the H 3 PO 4 ·0.5H 2 O crystal are calculated using these experimental data. These values for Mg, As, Sb and Pb are 130.13, 193.59, 98.51 and 102.29 kJ mol −1 , respectively.
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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 | 0.001 |
| 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