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Record W2060652968 · doi:10.1002/xrs.582

Correction for long‐term instrumental drift

2002· article· en· W2060652968 on OpenAlex

Why this work is in the frame

A frame that forgets how it found something cannot be audited. These are the routes that admitted this work.

affAt least one author lists a Canadian institution in the pinned OpenAlex snapshot.

Bibliographic record

VenueX-Ray Spectrometry · 2002
Typearticle
Languageen
FieldChemical Engineering
TopicAnalytical Chemistry and Sensors
Canadian institutionsGeological Survey of Canada
Fundersnot available
KeywordsCalibrationAnalyteIntensity (physics)Term (time)ReproducibilityRange (aeronautics)Stability (learning theory)Systematic errorOpticsMaterials scienceChemistryComputer sciencePhysicsMathematicsStatisticsChromatography

Abstract

fetched live from OpenAlex

Abstract A method of correcting for instrumental drift must be associated with any calibration procedure in order to validate the stored calibration data (slopes and intercepts) over a long period of time. Indeed, it can usually be observed that the drift is negligible for a 24 h period, but over longer periods corrections to the measured intensities have to be made. These corrections are based on the measurement of special specimens known as drift monitors or simply monitors. Physically, the monitor can comprise one to several specimens, each containing one or several analytes of which the intensity of each analyte is slightly higher than the highest intensity in the analyte concentration range. The other two essential properties of a monitor are its stability over time and reproducibility of its intensity measurements. A drift correction must be applied to the measured intensities of every analyte using one, two or several monitors depending on the spread of the intensity ranges. Some drift correction methods are proposed and it is explained how to combine them with the calibration procedure in order to obtain precise analytical results over long periods of time from the same set of calibration data. Copyright © 2002 John Wiley & Sons, Ltd.

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

Full frame distilled prediction

Teacher imitation

Not 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.

metaresearch head score (Codex)0.000
metaresearch head score (Gemma)0.000
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesInsufficient payload (model declined to judge)
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Bench or experimental · Consensus signal: Bench or experimental
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.168
Threshold uncertainty score0.998

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0000.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.000
Science and technology studies0.0000.000
Scholarly communication0.0000.000
Open science0.0000.000
Research integrity0.0000.000
Insufficient payload (model declined to judge)0.0030.000

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.

Opus teacher head0.014
GPT teacher head0.228
Teacher spread0.214 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it