Determination of Dissolved Zn(II) and Cd(II) in Estuarine Water by Using a Bismuth Film Microelectrode
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Bibliographic record
Abstract
Abstract A bismuth‐film electrode was employed to quantify Cd(II) and Zn(II) in estuarine water samples by anodic stripping voltammetry. The bismuth film was deposited in situ simultaneously with the analytes onto a carbon fibre disc microelectrode (radius=3 µm). Under the optimised conditions, calibration plots for both metallic ions were obtained in the range from 0.5 to 10.0 nmol L −1 and the limits of detection for Cd(II) and Zn(II) were estimated as 0.03 and 0.8 nmol L −1 , respectively. The accuracy of the results supplied by the bismuth film microelectrode (BiFME) was assessed by performing addition‐recovery experiments and by comparing values with those obtained with a certified sample. The usefulness of the methodology was demonstrated by applying the BiFME to measuring the Cd(II) and Zn(II) content in estuarine water.
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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 | 0.001 |
| 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