Precipitation of lithium phosphate from lithium solution by using sodium phosphate
Why this work is in the frame
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Bibliographic record
Abstract
Abstract Lithium was studied to precipitate into Li 3 PO 4 by adding Na 3 PO 4 under various experimental conditions such as initial lithium concentration of the solution, initial pH of the solution, temperature, and the mol equivalent ratio of Na 3 PO 4 . The precipitation mechanism of Li 3 PO 4 was investigated with the change of pH value of the solution over time. The precipitation efficiency of Li 3 PO 4 was 95.4% in the condition of the mol equivalent ratio of Na 3 PO 4 of 1, initial Li concentration of 7 g/L, initial pH of 9.5, and at 90°C. When Na 3 PO 4 was added three times, divided in the mol equivalent ratio of 1 via the hydrolysis reaction of PO 4 3− , which inhibits the Li 3 PO 4 precipitation reaction, an excellent precipitation efficiency of 98.4% was obtained. Co‐precipitated Na 2 HPO 4 with Li 3 PO 4 was washed by distilled water in the condition of solid/liquid ratio of 10% and at 90°C. The purity of the final Li 3 PO 4 product was found to be 99.1%.
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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