High performance liquid chromatography determination of 7 water-soluble vitamins in infant formula milk powder
Why this work is in the frame
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Bibliographic record
Abstract
As a result of milk powder quality problem causing many incidents,whihc has attracted widespread attention. Vitamin is one of the most important nutrients of infant formula milk powder,but it has different properties among vitamins and the infant formula's matrix is more complex. It creates more difficulties for both qualitative and quantitative analysis of the test. A new method was developed for the rapid determination of 7water-soluble vitamins in infant formula milk powder by high performance liquid chromatography( HPLC). An Acclaim Polar Advantage PA column was used. The mobile phase was mixture with methanol and 80 mmol of KH2PO4( added 0. 1% H3PO4) at a flow rate of 0. 8 m L/min. The UV detector was set at a wavelength of 260 nm.The limits of detection( LOD) were 0. 1 ~ 0. 5 mg / kg,the linear ranges of VB2,Vpp,VBx,VB6,VB7,VB9,VB12 were 0. 3 ~ 300 mg / kg,0. 5 ~ 300 mg / kg,0. 5 ~ 250 mg / kg,0. 3 ~ 300 mg / kg,0. 3 ~ 300 mg / kg,0. 3 ~300 mg / kg,0. 5 ~ 300 mg / kg respectively. The spiked recoveries were 96. 5% ~ 98. 5%,and the relative standard deviation( RSD) range from 0. 53% ~ 0. 98%.
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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) | 0.001 | 0.000 |
| Bibliometrics | 0.002 | 0.003 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.001 |
| 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