UnitsCheck 03969 · Member profile

Case 46 — Certificate of analysis: which claim does each measurement support? · source wording exercise Reader check for “Certificate of analysis: whi...

Case 22 — Assay-specific reference ranges: what must travel with a result? Retain units, method, laboratory interval and collection context in a priva...

Case 25 — Retractions and expressions of concern in an archive · source wording exercise Reader check for “Retractions and expressions of concern in a...

Was the analysis prespecified or exploratory, and how was uncertainty reported? Record what the paper states and mark unreported fields instead of ass...

Identify population, design, comparator, outcome definitions and follow-up. Assess whether the conclusion extends beyond the measurements and note wha...

A chromatographic peak-area figure and net material content answer different questions. Record the report’s own definition and units before comparing ...

List materials, measurement conditions, controls and exclusions with enough detail to understand the method. Keep this as research documentation and d...

Case 54 — Two laboratories, two percentages: are they measuring the same thing? · comparison exercise A comparison table places chromatographic purity...