Determination of trace lead in honey with in-situ bismuth film electrode by square wave stripping voltammetry
Bibliographic record
Abstract
Objective To determine the trace lead in honey with in-situ bismuth film electrode by square wave stripping voltammetry.Methods Using glassycarbon electrode in-situ plated in bismuth(III),replacing in traditional mercury(II),the trace lead in honey was rapidly detected by square wave stripping voltammetry method.Results Several factors were optimized,including buffer solutions,pH,the concentration of Bi3+,plating potential and plating time.Sensitive stripping peak of lead was obtained at the potential of-0.580 V in the bismuth film electrode.Under the optimized analytical condition,the stripping peak currents were changed linearly with the concentration of Pb2+ over range from 5 ~100 μg/L(r=0.9965) with a detection limit of 0.630 μg/L.The result was in accordance with that of graphite furnace atomic absorption spectrometry(GFAAS).Conclusion The established method is rapid and accurate in detecting trace lead in honey.
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How this classification was reachedexpand
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 itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".