Corrosion of Cathodes in Anodic Protection Systems in Hot Concentrated Sulfuric Acid—Part 1: Conventional Cathodes
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Bibliographic record
Abstract
The present investigation was undertaken to explore the corrosion that occurs under cathodic polarization for alloys commonly used as cathodes in anodically protected heat exchangers containing hot concentrated sulfuric acid (H2SO4) solutions. Weight loss measurements after galvanostatic cathodic polarization showed that accelerated corrosion of the cathodes commonly used in anodically protected H2SO4 coolers (UNS N06200 and N10665 alloys) occurs over a limited range of current densities far removed from the open-circuit potential. This article discusses these cathode materials. Part 2 (to be published in August 2005 MP) will discuss potential new cathode materials.
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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 | 0.001 | 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